diff --git a/TestON/tests/CHO/CHOtest/CHOtest.py b/TestON/tests/CHO/CHOtest/CHOtest.py
new file mode 100644
index 0000000..a1fb04f
--- /dev/null
+++ b/TestON/tests/CHO/CHOtest/CHOtest.py
@@ -0,0 +1,3814 @@
+import sys
+import os
+import re
+import time
+import json
+import itertools
+
+
+class CHOtest:
+
+    def __init__( self ):
+        self.default = ''
+
+    def CASE1( self, main ):
+        """
+        Startup sequence:
+        apply cell <name>
+        git pull
+        mvn clean install
+        onos-package
+        onos-verify-cell
+        onos-uninstall
+        onos-install
+        onos-start-cli
+        """
+        import time
+        import re
+        import imp
+
+        global intentState
+        main.threadID = 0
+        main.testOnDirectory = re.sub( "(/tests)$", "", main.testDir )
+        main.dependencyPath = main.testOnDirectory + \
+                              main.params[ 'DEPENDENCY' ][ 'path' ]
+        wrapperFile = main.params[ 'DEPENDENCY' ][ 'wrapper' ]
+        main.numCtrls = main.params[ 'CTRL' ][ 'numCtrl' ]
+        git_pull = main.params[ 'GIT' ][ 'autoPull' ]
+        git_branch = main.params[ 'GIT' ][ 'branch' ]
+        karafTimeout = main.params['CTRL']['karafCliTimeout']
+        main.linkSleep = int( main.params['timers']['LinkDiscovery'] )
+        main.checkIntentsDelay = int( main.params['timers']['CheckIntentDelay'] )
+        main.pingSleep = int( main.params['timers']['pingSleep'] )
+        main.topoCheckDelay = int( main.params['timers']['topoCheckDelay'] )
+        main.pingTimeoutSmallTopo = int( main.params['timers']['pingTimeoutSmallTopo'] )
+        main.pingTimeoutLargeTopo = int( main.params['timers']['pingTimeoutLargeTopo'] )
+        main.remHostDelay = int( main.params['timers']['remHostDelay'] )
+        main.remDevDelay = int( main.params['timers']['remDevDelay'] )
+        main.failSwitch = main.params['TEST']['pauseTest']
+        main.emailOnStop = main.params['TEST']['email']
+        main.intentCheck = int( main.params['TEST']['intentChecks'] )
+        main.linkCheck = int( main.params['TEST']['linkChecks'] )
+        main.topoCheck = int( main.params['TEST']['topoChecks'] )
+        main.numPings = int( main.params['TEST']['numPings'] )
+        main.newTopo = ""
+        main.CLIs = []
+
+        main.failSwitch = True if main.failSwitch == "on" else False
+        main.emailOnStop = True if main.emailOnStop == "on" else False
+
+        for i in range( 1, int(main.numCtrls) + 1 ):
+            main.CLIs.append( getattr( main, 'ONOScli' + str( i ) ) )
+
+        main.CHOtestFunctions = imp.load_source( wrapperFile,
+                                                 main.dependencyPath +
+                                                 wrapperFile +
+                                                 ".py" )
+
+        main.case( "Set up test environment" )
+        main.log.report( "Set up test environment" )
+        main.log.report( "_______________________" )
+
+        main.step( "Apply Cell environment for ONOS" )
+        if ( main.onoscell ):
+            cellName = main.onoscell
+            cell_result = main.ONOSbench.setCell( cellName )
+            utilities.assert_equals( expect=main.TRUE, actual=cell_result,
+                                 onpass="Test step PASS",
+                                 onfail="Test step FAIL" )
+        else:
+            main.log.error( "Please provide onoscell option at TestON CLI to run CHO tests" )
+            main.log.error( "Example: ~/TestON/bin/cli.py run OnosCHO onoscell <cellName>" )
+            main.cleanup()
+            main.exit()
+
+        main.step( "Git checkout and pull " + git_branch )
+        if git_pull == 'on':
+            checkout_result = main.ONOSbench.gitCheckout( git_branch )
+            pull_result = main.ONOSbench.gitPull()
+            cp_result = ( checkout_result and pull_result )
+        else:
+            checkout_result = main.TRUE
+            pull_result = main.TRUE
+            main.log.info( "Skipped git checkout and pull" )
+            cp_result = ( checkout_result and pull_result )
+        utilities.assert_equals( expect=main.TRUE, actual=cp_result,
+                                 onpass="Test step PASS",
+                                 onfail="Test step FAIL" )
+
+        main.step( "mvn clean & install" )
+        if git_pull == 'on':
+            mvn_result = main.ONOSbench.cleanInstall()
+            utilities.assert_equals( expect=main.TRUE, actual=mvn_result,
+                                 onpass="Test step PASS",
+                                 onfail="Test step FAIL" )
+        else:
+            mvn_result = main.TRUE
+            main.log.info("Skipped mvn clean install as git pull is disabled in params file")
+
+        main.ONOSbench.getVersion( report=True )
+
+        main.step( "Create ONOS package" )
+        packageResult = main.ONOSbench.onosPackage()
+        utilities.assert_equals( expect=main.TRUE, actual=packageResult,
+                                 onpass="Test step PASS",
+                                 onfail="Test step FAIL" )
+
+        main.step( "Uninstall ONOS package on all Nodes" )
+        uninstallResult = main.TRUE
+        for i in range( int( main.numCtrls ) ):
+            main.log.info( "Uninstalling package on ONOS Node IP: " + main.onosIPs[i] )
+            u_result = main.ONOSbench.onosUninstall( main.onosIPs[i] )
+            utilities.assert_equals( expect=main.TRUE, actual=u_result,
+                                     onpass="Test step PASS",
+                                     onfail="Test step FAIL" )
+            uninstallResult = ( uninstallResult and u_result )
+
+        main.step( "Install ONOS package on all Nodes" )
+        installResult = main.TRUE
+        for i in range( int( main.numCtrls ) ):
+            main.log.info( "Installing package on ONOS Node IP: " + main.onosIPs[i] )
+            i_result = main.ONOSbench.onosInstall( node=main.onosIPs[i] )
+            utilities.assert_equals( expect=main.TRUE, actual=i_result,
+                                     onpass="Test step PASS",
+                                     onfail="Test step FAIL" )
+            installResult = ( installResult and i_result )
+
+        main.step( "Verify ONOS nodes UP status" )
+        statusResult = main.TRUE
+        for i in range( int( main.numCtrls ) ):
+            main.log.info( "ONOS Node " + main.onosIPs[i] + " status:" )
+            onos_status = main.ONOSbench.onosStatus( node=main.onosIPs[i] )
+            utilities.assert_equals( expect=main.TRUE, actual=onos_status,
+                                     onpass="Test step PASS",
+                                     onfail="Test step FAIL" )
+            statusResult = ( statusResult and onos_status )
+
+        main.step( "Start ONOS CLI on all nodes" )
+        cliResult = main.TRUE
+        main.log.step(" Start ONOS cli using thread ")
+        startCliResult  = main.TRUE
+        pool = []
+        time1 = time.time()
+        for i in range( int( main.numCtrls) ):
+            t = main.Thread( target=main.CLIs[i].startOnosCli,
+                             threadID=main.threadID,
+                             name="startOnosCli",
+                             args=[ main.onosIPs[i], karafTimeout ] )
+            pool.append(t)
+            t.start()
+            main.threadID = main.threadID + 1
+        for t in pool:
+            t.join()
+            startCliResult = startCliResult and t.result
+        time2 = time.time()
+
+        if not startCliResult:
+                main.log.info("ONOS CLI did not start up properly")
+                main.cleanup()
+                main.exit()
+        else:
+            main.log.info("Successful CLI startup")
+            startCliResult = main.TRUE
+
+        main.step( "Set IPv6 cfg parameters for Neighbor Discovery" )
+        time.sleep(30)
+        cfgResult1 = main.CLIs[0].setCfg( "org.onosproject.proxyarp.ProxyArp", "ipv6NeighborDiscovery", "true" )
+        cfgResult2 = main.CLIs[0].setCfg( "org.onosproject.provider.host.impl.HostLocationProvider", "ipv6NeighborDiscovery", "true" )
+        cfgResult = cfgResult1 and cfgResult2
+        utilities.assert_equals( expect=main.TRUE, actual=cfgResult,
+                                 onpass="ipv6NeighborDiscovery cfg is set to true",
+                                 onfail="Failed to cfg set ipv6NeighborDiscovery" )
+
+        case1Result = installResult and uninstallResult and statusResult and startCliResult and cfgResult
+        main.log.info("Time for connecting to CLI: %2f seconds" %(time2-time1))
+        utilities.assert_equals( expect=main.TRUE, actual=case1Result,
+                                 onpass="Set up test environment PASS",
+                                 onfail="Set up test environment FAIL" )
+
+    def CASE20( self, main ):
+        """
+        This test script Loads a new Topology (Att) on CHO setup and balances all switches
+        """
+        import re
+        import time
+        import copy
+
+        main.prefix = 0
+        main.numMNswitches = int ( main.params[ 'TOPO1' ][ 'numSwitches' ] )
+        main.numMNlinks = int ( main.params[ 'TOPO1' ][ 'numLinks' ] )
+        main.numMNhosts = int ( main.params[ 'TOPO1' ][ 'numHosts' ] )
+        main.pingTimeout = main.pingTimeoutSmallTopo
+
+        main.log.report(
+            "Load Att topology and Balance all Mininet switches across controllers" )
+        main.log.report(
+            "________________________________________________________________________" )
+        main.case(
+            "Assign and Balance all Mininet switches across controllers" )
+
+        main.step( "Start Mininet with Att topology" )
+        main.newTopo = main.params['TOPO1']['topo']
+        mininetDir = main.Mininet1.home + "/custom/"
+        topoPath = main.testDir + "/" + main.TEST  + "/dependencies/" + main.newTopo
+        main.ONOSbench.secureCopy(main.Mininet1.user_name, main.Mininet1.ip_address, topoPath, mininetDir, direction="to")
+        topoPath = mininetDir + main.newTopo
+        startStatus = main.Mininet1.startNet(topoFile = topoPath)
+
+        main.step( "Assign switches to controllers" )
+        for i in range( 1, ( main.numMNswitches + 1 ) ):  # 1 to ( num of switches +1 )
+            main.Mininet1.assignSwController(
+                sw="s" + str( i ),
+                ip=main.onosIPs )
+
+        switch_mastership = main.TRUE
+        for i in range( 1, ( main.numMNswitches + 1 ) ):
+            response = main.Mininet1.getSwController( "s" + str( i ) )
+            print( "Response is " + str( response ) )
+            if re.search( "tcp:" + main.onosIPs[0], response ):
+                switch_mastership = switch_mastership and main.TRUE
+            else:
+                switch_mastership = main.FALSE
+
+        if switch_mastership == main.TRUE:
+            main.log.report( "Controller assignment successfull" )
+        else:
+            main.log.report( "Controller assignment failed" )
+
+        time.sleep(30) # waiting here to make sure topology converges across all nodes
+
+        main.step( "Balance devices across controllers" )
+        balanceResult = main.ONOScli1.balanceMasters()
+        # giving some breathing time for ONOS to complete re-balance
+        time.sleep( 5 )
+
+        topology_output = main.ONOScli1.topology()
+        topology_result = main.ONOSbench.getTopology( topology_output )
+        case2Result = ( switch_mastership and startStatus )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case2Result,
+            onpass="Starting new Att topology test PASS",
+            onfail="Starting new Att topology test FAIL" )
+
+    def CASE21( self, main ):
+        """
+        This test script Loads a new Topology (Chordal) on CHO setup and balances all switches
+        """
+        import re
+        import time
+        import copy
+
+        main.prefix = 1
+        main.newTopo = main.params['TOPO2']['topo']
+        main.numMNswitches = int ( main.params[ 'TOPO2' ][ 'numSwitches' ] )
+        main.numMNlinks = int ( main.params[ 'TOPO2' ][ 'numLinks' ] )
+        main.numMNhosts = int ( main.params[ 'TOPO2' ][ 'numHosts' ] )
+        main.pingTimeout = main.pingTimeoutSmallTopo
+
+        main.log.report(
+            "Load Chordal topology and Balance all Mininet switches across controllers" )
+        main.log.report(
+            "________________________________________________________________________" )
+        main.case(
+            "Assign and Balance all Mininet switches across controllers" )
+
+        main.step("Start Mininet with Chordal topology")
+        mininetDir = main.Mininet1.home + "/custom/"
+        topoPath = main.testDir + "/" + main.TEST  + "/dependencies/" + main.newTopo
+        main.ONOSbench.secureCopy(main.Mininet1.user_name, main.Mininet1.ip_address, topoPath, mininetDir, direction="to")
+        topoPath = mininetDir + main.newTopo
+        startStatus = main.Mininet1.startNet(topoFile = topoPath)
+
+        main.step( "Assign switches to controllers" )
+
+        for i in range( 1, ( main.numMNswitches + 1 ) ):  # 1 to ( num of switches +1 )
+            main.Mininet1.assignSwController(
+                sw="s" + str( i ),
+                ip=main.onosIPs )
+
+        switch_mastership = main.TRUE
+        for i in range( 1, ( main.numMNswitches + 1 ) ):
+            response = main.Mininet1.getSwController( "s" + str( i ) )
+            print( "Response is " + str( response ) )
+            if re.search( "tcp:" + main.onosIPs[0], response ):
+                switch_mastership = switch_mastership and main.TRUE
+            else:
+                switch_mastership = main.FALSE
+
+        if switch_mastership == main.TRUE:
+            main.log.report( "Controller assignment successfull" )
+        else:
+            main.log.report( "Controller assignment failed" )
+
+        main.step( "Balance devices across controllers" )
+        balanceResult = main.ONOScli1.balanceMasters()
+        # giving some breathing time for ONOS to complete re-balance
+        time.sleep( 5 )
+
+        caseResult = switch_mastership
+        time.sleep(30)
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Starting new Chordal topology test PASS",
+            onfail="Starting new Chordal topology test FAIL" )
+
+    def CASE22( self, main ):
+        """
+        This test script Loads a new Topology (Spine) on CHO setup and balances all switches
+        """
+        import re
+        import time
+        import copy
+
+        main.prefix = 2
+        main.newTopo = main.params['TOPO3']['topo']
+        main.numMNswitches = int ( main.params[ 'TOPO3' ][ 'numSwitches' ] )
+        main.numMNlinks = int ( main.params[ 'TOPO3' ][ 'numLinks' ] )
+        main.numMNhosts = int ( main.params[ 'TOPO3' ][ 'numHosts' ] )
+        main.pingTimeout = main.pingTimeoutLargeTopo
+
+        main.log.report(
+            "Load Spine and Leaf topology and Balance all Mininet switches across controllers" )
+        main.log.report(
+            "________________________________________________________________________" )
+        main.case( "Assign and Balance all Mininet switches across controllers" )
+
+        main.step("Start Mininet with Spine topology")
+        mininetDir = main.Mininet1.home + "/custom/"
+        topoPath = main.testDir + "/" + main.TEST  + "/dependencies/" + main.newTopo
+        main.ONOSbench.secureCopy(main.Mininet1.user_name, main.Mininet1.ip_address, topoPath, mininetDir, direction="to")
+        topoPath = mininetDir + main.newTopo
+        startStatus = main.Mininet1.startNet(topoFile = topoPath)
+
+        for i in range( 1, ( main.numMNswitches + 1 ) ):  # 1 to ( num of switches +1 )
+            main.Mininet1.assignSwController(
+                sw="s" + str( i ),
+                ip=main.onosIPs )
+
+        switch_mastership = main.TRUE
+        for i in range( 1, ( main.numMNswitches + 1 ) ):
+            response = main.Mininet1.getSwController( "s" + str( i ) )
+            print( "Response is " + str( response ) )
+            if re.search( "tcp:" + main.onosIPs[0], response ):
+                switch_mastership = switch_mastership and main.TRUE
+            else:
+                switch_mastership = main.FALSE
+
+        if switch_mastership == main.TRUE:
+            main.log.report( "Controller assignment successfull" )
+        else:
+            main.log.report( "Controller assignment failed" )
+        time.sleep( 5 )
+
+        main.step( "Balance devices across controllers" )
+        for i in range( int( main.numCtrls ) ):
+            balanceResult = main.ONOScli1.balanceMasters()
+            # giving some breathing time for ONOS to complete re-balance
+            time.sleep( 3 )
+
+        caseResult = switch_mastership
+        time.sleep(60)
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Starting new Spine topology test PASS",
+            onfail="Starting new Spine topology test FAIL" )
+
+    def CASE3( self, main ):
+        """
+        This Test case will be extended to collect and store more data related
+        ONOS state.
+        """
+        import re
+        import copy
+        main.deviceDPIDs = []
+        main.hostMACs = []
+        main.deviceLinks = []
+        main.deviceActiveLinksCount = []
+        main.devicePortsEnabledCount = []
+
+        main.log.report(
+            "Collect and Store topology details from ONOS before running any Tests" )
+        main.log.report(
+            "____________________________________________________________________" )
+        main.case( "Collect and Store Topology Details from ONOS" )
+        main.step( "Collect and store current number of switches and links" )
+        topology_output = main.ONOScli1.topology()
+        topology_result = main.ONOSbench.getTopology( topology_output )
+        numOnosDevices = topology_result[ 'devices' ]
+        numOnosLinks = topology_result[ 'links' ]
+        topoResult = main.TRUE
+
+        for check in range(main.topoCheck):
+            if ( ( main.numMNswitches == int(numOnosDevices) ) and ( main.numMNlinks == int(numOnosLinks) ) ):
+                main.step( "Store Device DPIDs" )
+                for i in range( 1, (main.numMNswitches+1) ):
+                    main.deviceDPIDs.append( "of:00000000000000" + format( i, "02x" ) )
+                print "Device DPIDs in Store: \n", str( main.deviceDPIDs )
+
+                main.step( "Store Host MACs" )
+                for i in range( 1, ( main.numMNhosts + 1 ) ):
+                    main.hostMACs.append( "00:00:00:00:00:" + format( i, '02x' ) + "/-1" )
+                print "Host MACs in Store: \n", str( main.hostMACs )
+                main.MACsDict = {}
+                print "Creating dictionary of DPID and HostMacs"
+                for i in range(len(main.hostMACs)):
+                    main.MACsDict[main.deviceDPIDs[i]] = main.hostMACs[i].split('/')[0]
+                print main.MACsDict
+                main.step( "Collect and store all Devices Links" )
+                linksResult = main.ONOScli1.links( jsonFormat=False )
+                ansi_escape = re.compile( r'\x1b[^m]*m' )
+                linksResult = ansi_escape.sub( '', linksResult )
+                linksResult = linksResult.replace( " links", "" ).replace( "\r\r", "" )
+                linksResult = linksResult.splitlines()
+                main.deviceLinks = copy.copy( linksResult )
+                print "Device Links Stored: \n", str( main.deviceLinks )
+                # this will be asserted to check with the params provided count of
+                # links
+                print "Length of Links Store", len( main.deviceLinks )
+
+                main.step( "Collect and store each Device ports enabled Count" )
+                time1 = time.time()
+                for i in xrange(1,(main.numMNswitches + 1), int( main.numCtrls ) ):
+                    pool = []
+                    for cli in main.CLIs:
+                        if i >=  main.numMNswitches + 1:
+                            break
+                        dpid = "of:00000000000000" + format( i, "02x" )
+                        t = main.Thread(target = cli.getDevicePortsEnabledCount,threadID = main.threadID, name = "getDevicePortsEnabledCount",args = [dpid])
+                        t.start()
+                        pool.append(t)
+                        i = i + 1
+                        main.threadID = main.threadID + 1
+                    for thread in pool:
+                        thread.join()
+                        portResult = thread.result
+                        main.devicePortsEnabledCount.append( portResult )
+                print "Device Enabled Port Counts Stored: \n", str( main.devicePortsEnabledCount )
+                time2 = time.time()
+                main.log.info("Time for counting enabled ports of the switches: %2f seconds" %(time2-time1))
+
+                main.step( "Collect and store each Device active links Count" )
+                time1 = time.time()
+
+                for i in xrange( 1,( main.numMNswitches + 1 ), int( main.numCtrls) ):
+                    pool = []
+                    for cli in main.CLIs:
+                        if i >=  main.numMNswitches + 1:
+                            break
+                        dpid = "of:00000000000000" + format( i, "02x" )
+                        t = main.Thread( target = cli.getDeviceLinksActiveCount,
+                                         threadID = main.threadID,
+                                         name = "getDevicePortsEnabledCount",
+                                         args = [dpid])
+                        t.start()
+                        pool.append(t)
+                        i = i + 1
+                        main.threadID = main.threadID + 1
+                    for thread in pool:
+                        thread.join()
+                        linkCountResult = thread.result
+                        main.deviceActiveLinksCount.append( linkCountResult )
+                print "Device Active Links Count Stored: \n", str( main.deviceActiveLinksCount )
+                time2 = time.time()
+                main.log.info("Time for counting all enabled links of the switches: %2f seconds" %(time2-time1))
+
+                # Exit out of the topo check loop
+                break
+
+            else:
+                main.log.info("Devices (expected): %s, Links (expected): %s" %
+                        ( str( main.numMNswitches ), str( main.numMNlinks ) ) )
+                main.log.info("Devices (actual): %s, Links (actual): %s" %
+                        ( numOnosDevices , numOnosLinks ) )
+                main.log.info("Topology does not match, trying again...")
+                topoResult = main.FALSE
+                time.sleep(main.topoCheckDelay)
+
+        # just returning TRUE for now as this one just collects data
+        case3Result = topoResult
+        utilities.assert_equals( expect=main.TRUE, actual=case3Result,
+                                 onpass="Saving ONOS topology data test PASS",
+                                 onfail="Saving ONOS topology data test FAIL" )
+
+
+
+    def CASE200( self, main ):
+
+        import time
+        main.log.report( "Clean up ONOS" )
+        main.log.case( "Stop topology and remove hosts and devices" )
+
+        main.step( "Stop Topology" )
+        stopStatus = main.Mininet1.stopNet()
+        utilities.assert_equals( expect=main.TRUE, actual=stopStatus,
+                                 onpass="Stopped mininet",
+                                 onfail="Failed to stop mininet" )
+
+
+        main.log.info( "Constructing host id list" )
+        hosts = []
+        for i in range( main.numMNhosts ):
+            hosts.append( "h" + str(i+1) )
+
+        main.step( "Getting host ids" )
+        hostList = main.CLIs[0].getHostsId( hosts )
+        hostIdResult = True if hostList else False
+        utilities.assert_equals( expect=True, actual=hostIdResult,
+                                 onpass="Successfully obtained the host ids.",
+                                 onfail="Failed to obtain the host ids" )
+
+        main.step( "Removing hosts" )
+        hostResult = main.CLIs[0].removeHost( hostList )
+        utilities.assert_equals( expect=main.TRUE, actual=hostResult,
+                                 onpass="Successfully removed hosts",
+                                 onfail="Failed remove hosts" )
+
+        time.sleep( main.remHostDelay )
+
+        main.log.info( "Constructing device uri list" )
+        deviceList = []
+        for i in range( main.numMNswitches ):
+            deviceList.append( "of:00000000000000" + format( i+1, "02x" ) )
+
+        main.step( "Removing devices" )
+        deviceResult = main.CLIs[0].removeDevice( deviceList )
+        utilities.assert_equals( expect=main.TRUE, actual=deviceResult,
+                                 onpass="Successfully removed devices",
+                                 onfail="Failed remove devices" )
+
+        time.sleep( main.remDevDelay )
+
+        main.log.info( "Summary\n{}".format( main.CLIs[0].summary( jsonFormat=False ) ) )
+
+
+    def CASE40( self, main ):
+        """
+        Verify Reactive forwarding
+        """
+        import time
+        main.log.report( "Verify Reactive forwarding" )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable Reactive forwarding, verify pingall, and disable reactive forwarding" )
+
+        main.step( "Enable Reactive forwarding" )
+        appResult = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully install fwd app",
+                                 onfail="Failed to install fwd app" )
+
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else:
+                break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        utilities.assert_equals( expect=main.TRUE, actual=pingResult,
+                                 onpass="Reactive Mode IPv4 Pingall test PASS",
+                                 onfail="Reactive Mode IPv4 Pingall test FAIL" )
+
+        if not pingResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+        main.step( "Disable Reactive forwarding" )
+        appResult =  main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully deactivated fwd app",
+                                 onfail="Failed to deactivate fwd app" )
+
+    def CASE41( self, main ):
+        """
+        Verify Reactive forwarding (Chordal Topology)
+        """
+        import re
+        import copy
+        import time
+        main.log.report( "Verify Reactive forwarding (Chordal Topology)" )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable Reactive forwarding and Verify ping all" )
+        main.step( "Enable Reactive forwarding" )
+        installResult = main.TRUE
+        # Activate fwd app
+        appResults = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+
+        appCheck = main.TRUE
+        pool = []
+        for cli in main.CLIs:
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
+            t.start()
+        for t in pool:
+            t.join()
+            appCheck = appCheck and t.result
+        utilities.assert_equals( expect=main.TRUE, actual=appCheck,
+                                 onpass="App Ids seem to be correct",
+                                 onfail="Something is wrong with app Ids" )
+        if appCheck != main.TRUE:
+            main.log.warn( main.CLIs[0].apps() )
+            main.log.warn( main.CLIs[0].appIDs() )
+
+        time.sleep( 10 )
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else: break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        if not pingResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+        if pingResult == main.TRUE:
+            main.log.report( "IPv4 Pingall Test in Reactive mode successful" )
+        else:
+            main.log.report( "IPv4 Pingall Test in Reactive mode failed" )
+
+        caseResult =  appCheck and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Reactive Mode IPv4 Pingall test PASS",
+                                 onfail="Reactive Mode IPv4 Pingall test FAIL" )
+
+    def CASE42( self, main ):
+        """
+        Verify Reactive forwarding (Spine Topology)
+        """
+        import re
+        import copy
+        import time
+        main.log.report( "Verify Reactive forwarding (Spine Topology)" )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable Reactive forwarding and Verify ping all" )
+        main.step( "Enable Reactive forwarding" )
+        installResult = main.TRUE
+        # Activate fwd app
+        appResults = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+
+        appCheck = main.TRUE
+        pool = []
+        for cli in main.CLIs:
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
+            t.start()
+        for t in pool:
+            t.join()
+            appCheck = appCheck and t.result
+        utilities.assert_equals( expect=main.TRUE, actual=appCheck,
+                                 onpass="App Ids seem to be correct",
+                                 onfail="Something is wrong with app Ids" )
+        if appCheck != main.TRUE:
+            main.log.warn( main.CLIs[0].apps() )
+            main.log.warn( main.CLIs[0].appIDs() )
+
+        time.sleep( 10 )
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else: break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        if not pingResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+        if pingResult == main.TRUE:
+            main.log.report( "IPv4 Pingall Test in Reactive mode successful" )
+        else:
+            main.log.report( "IPv4 Pingall Test in Reactive mode failed" )
+
+        caseResult =  appCheck and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Reactive Mode IPv4 Pingall test PASS",
+                                 onfail="Reactive Mode IPv4 Pingall test FAIL" )
+
+    def CASE47( self, main ):
+        """
+        Verify reactive forwarding in ATT topology, use a different ping method than CASE40
+        """
+        import time
+        main.log.report( "Verify Reactive forwarding (ATT Topology) " )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable Reactive forwarding, verify ping, and disable reactive forwarding" )
+
+        main.step( "Enable Reactive forwarding" )
+        appResult = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully install fwd app",
+                                 onfail="Failed to install fwd app" )
+
+        numHosts = int( main.params['TOPO1']['numHosts'] )
+
+        for i in range(numHosts):
+            src = "h1"
+            dest = "h" + str(i+1)
+            main.Mininet1.handle.sendline( src + " ping " + dest + " -c 3 -i 1 -W 1" )
+            main.Mininet1.handle.expect( "mininet>" )
+            main.log.info( main.Mininet1.handle.before )
+
+        hosts = main.CLIs[0].hosts( jsonFormat=False )
+
+        main.log.info( hosts )
+
+        main.step( "Disable Reactive forwarding" )
+        appResult =  main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully deactivated fwd app",
+                                 onfail="Failed to deactivate fwd app" )
+
+    def CASE48( self, main ):
+        """
+        Verify reactive forwarding in Chordal topology, use a different ping method than CASE41
+        """
+        import time
+        main.log.report( "Verify Reactive forwarding (Chordal Topology) " )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable Reactive forwarding, verify ping, and disable reactive forwarding" )
+
+        main.step( "Enable Reactive forwarding" )
+        appResult = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully install fwd app",
+                                 onfail="Failed to install fwd app" )
+
+        numHosts = int( main.params['TOPO2']['numHosts'] )
+
+        for i in range(numHosts):
+            src = "h1"
+            dest = "h" + str(i+1)
+            main.Mininet1.handle.sendline( src + " ping " + dest + " -c 3 -i 1 -W 1" )
+            main.Mininet1.handle.expect( "mininet>" )
+            main.log.info( main.Mininet1.handle.before )
+
+        hosts = main.CLIs[0].hosts( jsonFormat=False )
+
+        main.log.info( hosts )
+
+        main.step( "Disable Reactive forwarding" )
+        appResult =  main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully deactivated fwd app",
+                                 onfail="Failed to deactivate fwd app" )
+
+    def CASE49( self, main ):
+        """
+        Verify reactive forwarding in Spine-leaf topology, use a different ping method than CASE42
+        """
+        import time
+        main.log.report( "Verify Reactive forwarding (Spine-leaf Topology) " )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable Reactive forwarding, verify ping, and disable reactive forwarding" )
+
+        main.step( "Enable Reactive forwarding" )
+        appResult = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully install fwd app",
+                                 onfail="Failed to install fwd app" )
+
+        numHosts = int( main.params['TOPO3']['numHosts'] )
+
+        for i in range(11, numHosts+10):
+            src = "h11"
+            dest = "h" + str(i+1)
+            main.Mininet1.handle.sendline( src + " ping " + dest + " -c 3 -i 1 -W 1" )
+            main.Mininet1.handle.expect( "mininet>" )
+            main.log.info( main.Mininet1.handle.before )
+
+        hosts = main.CLIs[0].hosts( jsonFormat=False )
+
+        main.log.info( hosts )
+
+        main.step( "Disable Reactive forwarding" )
+        appResult =  main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully deactivated fwd app",
+                                 onfail="Failed to deactivate fwd app" )
+
+    def CASE140( self, main ):
+        """
+        Verify IPv6 Reactive forwarding (Att Topology)
+        """
+        import re
+        import copy
+        import time
+        main.log.report( "Verify IPv6 Reactive forwarding (Att Topology)" )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable IPv6 Reactive forwarding and Verify ping all" )
+        hostList = [ ('h'+ str(x + 1)) for x in range (main.numMNhosts) ]
+
+        main.step( "Set IPv6 cfg parameters for Reactive forwarding" )
+        cfgResult1 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "ipv6Forwarding", "true" )
+        cfgResult2 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "matchIpv6Address", "true" )
+        cfgResult = cfgResult1 and cfgResult2
+        utilities.assert_equals( expect=main.TRUE, actual=cfgResult,
+                                 onpass="Reactive mode ipv6Fowarding cfg is set to true",
+                                 onfail="Failed to cfg set Reactive mode ipv6Fowarding" )
+
+        main.step( "Verify IPv6 Pingall" )
+        pingResult = main.FALSE
+        time1 = time.time()
+        pingResult = main.Mininet1.pingall( protocol="IPv6", timeout=main.pingTimeout)
+        if not pingResult:
+            main.log.warn("First pingall failed. Trying again..")
+            pingResult = main.Mininet1.pingall( protocol="IPv6", timeout=main.pingTimeout )
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for IPv6 Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        if pingResult == main.TRUE:
+            main.log.report( "IPv6 Pingall Test in Reactive mode successful" )
+        else:
+            main.log.report( "IPv6 Pingall Test in Reactive mode failed" )
+
+
+        caseResult =  appCheck and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Reactive Mode IPv6 Pingall test PASS",
+                                 onfail="Reactive Mode IPv6 Pingall test FAIL" )
+
+    def CASE141( self, main ):
+        """
+        Verify IPv6 Reactive forwarding (Chordal Topology)
+        """
+        import re
+        import copy
+        import time
+        main.log.report( "Verify IPv6 Reactive forwarding (Chordal Topology)" )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable IPv6 Reactive forwarding and Verify ping all" )
+        hostList = [ ('h'+ str(x + 1)) for x in range (main.numMNhosts) ]
+
+        main.step( "Set IPv6 cfg parameters for Reactive forwarding" )
+        cfgResult1 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "ipv6Forwarding", "true" )
+        cfgResult2 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "matchIpv6Address", "true" )
+        cfgResult = cfgResult1 and cfgResult2
+        utilities.assert_equals( expect=main.TRUE, actual=cfgResult,
+                                 onpass="Reactive mode ipv6Fowarding cfg is set to true",
+                                 onfail="Failed to cfg set Reactive mode ipv6Fowarding" )
+
+        main.step( "Verify IPv6 Pingall" )
+        pingResult = main.FALSE
+        time1 = time.time()
+        pingResult = main.Mininet1.pingall( protocol="IPv6", timeout=main.pingTimeout)
+        if not pingResult:
+            main.log.warn("First pingall failed. Trying again..")
+            pingResult = main.Mininet1.pingall( protocol="IPv6", timeout=main.pingTimeout )
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for IPv6 Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        if pingResult == main.TRUE:
+            main.log.report( "IPv6 Pingall Test in Reactive mode successful" )
+        else:
+            main.log.report( "IPv6 Pingall Test in Reactive mode failed" )
+
+        main.step( "Disable Reactive forwarding" )
+
+        main.log.info( "Uninstall reactive forwarding app" )
+        appCheck = main.TRUE
+        appResults = appResults and main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        pool = []
+        for cli in main.CLIs:
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
+            t.start()
+
+        for t in pool:
+            t.join()
+            appCheck = appCheck and t.result
+        utilities.assert_equals( expect=main.TRUE, actual=appCheck,
+                                 onpass="App Ids seem to be correct",
+                                 onfail="Something is wrong with app Ids" )
+        if appCheck != main.TRUE:
+            main.log.warn( main.CLIs[0].apps() )
+            main.log.warn( main.CLIs[0].appIDs() )
+
+        # Waiting for reative flows to be cleared.
+        time.sleep( 30 )
+        caseResult =  appCheck and cfgResult and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Reactive Mode IPv6 Pingall test PASS",
+                                 onfail="Reactive Mode IPv6 Pingall test FAIL" )
+
+    def CASE142( self, main ):
+        """
+        Verify IPv6 Reactive forwarding (Spine Topology)
+        """
+        import re
+        import copy
+        import time
+        main.log.report( "Verify IPv6 Reactive forwarding (Spine Topology)" )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable IPv6 Reactive forwarding and Verify ping all" )
+        # Spine topology do not have hosts h1-h10
+        hostList = [ ('h'+ str(x + 11)) for x in range (main.numMNhosts) ]
+        main.step( "Set IPv6 cfg parameters for Reactive forwarding" )
+        cfgResult1 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "ipv6Forwarding", "true" )
+        cfgResult2 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "matchIpv6Address", "true" )
+        cfgResult = cfgResult1 and cfgResult2
+        utilities.assert_equals( expect=main.TRUE, actual=cfgResult,
+                                 onpass="Reactive mode ipv6Fowarding cfg is set to true",
+                                 onfail="Failed to cfg set Reactive mode ipv6Fowarding" )
+
+        main.step( "Verify IPv6 Pingall" )
+        pingResult = main.FALSE
+        time1 = time.time()
+        pingResult = main.Mininet1.pingall( protocol="IPv6", timeout=main.pingTimeout)
+        if not pingResult:
+            main.log.warn("First pingall failed. Trying again...")
+            pingResult = main.Mininet1.pingall( protocol="IPv6", timeout=main.pingTimeout )
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for IPv6 Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        if pingResult == main.TRUE:
+            main.log.report( "IPv6 Pingall Test in Reactive mode successful" )
+        else:
+            main.log.report( "IPv6 Pingall Test in Reactive mode failed" )
+
+        main.step( "Disable Reactive forwarding" )
+
+        main.log.info( "Uninstall reactive forwarding app" )
+        appCheck = main.TRUE
+        appResults = appResults and main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        pool = []
+        for cli in main.CLIs:
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
+            t.start()
+
+        for t in pool:
+            t.join()
+            appCheck = appCheck and t.result
+        utilities.assert_equals( expect=main.TRUE, actual=appCheck,
+                                 onpass="App Ids seem to be correct",
+                                 onfail="Something is wrong with app Ids" )
+        if appCheck != main.TRUE:
+            main.log.warn( main.CLIs[0].apps() )
+            main.log.warn( main.CLIs[0].appIDs() )
+
+        # Waiting for reative flows to be cleared.
+        time.sleep( 30 )
+        caseResult =  appCheck and cfgResult and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Reactive Mode IPv6 Pingall test PASS",
+                                 onfail="Reactive Mode IPv6 Pingall test FAIL" )
+
+    def CASE147( self, main ):
+        """
+        Verify IPv6 reactive forwarding in ATT topology, use a different ping method than CASE140
+        """
+        import time
+        main.log.report( "Verify IPv6 Reactive forwarding (ATT Topology)" )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable Reactive forwarding, verify ping6, and disable reactive forwarding" )
+
+        main.step( "Enable IPv4 Reactive forwarding" )
+        appResult = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully install fwd app",
+                                 onfail="Failed to install fwd app" )
+
+        main.step( "Set IPv6 cfg parameters for Reactive forwarding" )
+        cfgResult1 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "ipv6Forwarding", "true" )
+        cfgResult2 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "matchIpv6Address", "true" )
+        cfgResult = cfgResult1 and cfgResult2
+        utilities.assert_equals( expect=main.TRUE, actual=cfgResult,
+                                 onpass="Reactive mode ipv6Fowarding cfg is set to true",
+                                 onfail="Failed to cfg set Reactive mode ipv6Fowarding" )
+
+        main.step( "Discover hosts using ping" )
+        numHosts = int( main.params['TOPO1']['numHosts'] )
+        for i in range(numHosts):
+            src = "h1"
+            dest = "1000::" + str(i+1)
+            main.Mininet1.handle.sendline( src + " ping6 " + dest + " -c 3 -i 1 -W 1")
+            main.Mininet1.handle.expect( "mininet>" )
+            main.log.info( main.Mininet1.handle.before )
+        hosts = main.CLIs[0].hosts( jsonFormat=False )
+        main.log.info( hosts )
+
+        main.step( "Disable Reactive forwarding" )
+        main.log.info( "Uninstall IPv6 reactive forwarding app" )
+        appCheck = main.TRUE
+        appResults = main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        pool = []
+        for cli in main.CLIs:
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
+            t.start()
+
+        for t in pool:
+            t.join()
+            appCheck = appCheck and t.result
+        utilities.assert_equals( expect=main.TRUE, actual=appCheck,
+                                 onpass="App Ids seem to be correct",
+                                 onfail="Something is wrong with app Ids" )
+
+        if appCheck != main.TRUE:
+            main.log.warn( main.CLIs[0].apps() )
+            main.log.warn( main.CLIs[0].appIDs() )
+
+        # Waiting for reative flows to be cleared.
+        time.sleep( 30 )
+
+        main.step( "Disable IPv4 Reactive forwarding" )
+        appResult =  main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully deactivated IPv4 fwd app",
+                                 onfail="Failed to deactivate IPv4 fwd app" )
+
+    def CASE148( self, main ):
+        """
+        Verify reactive forwarding in Chordal topology, use a different ping method than CASE141
+        """
+        import time
+        main.log.report( "Verify IPv6 Reactive forwarding (Chordal Topology)" )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable Reactive forwarding, verify ping6, and disable reactive forwarding" )
+
+        main.step( "Enable IPv4 Reactive forwarding" )
+        appResult = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully install fwd app",
+                                 onfail="Failed to install fwd app" )
+
+        main.step( "Set IPv6 cfg parameters for Reactive forwarding" )
+        cfgResult1 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "ipv6Forwarding", "true" )
+        cfgResult2 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "matchIpv6Address", "true" )
+        cfgResult = cfgResult1 and cfgResult2
+        utilities.assert_equals( expect=main.TRUE, actual=cfgResult,
+                                 onpass="Reactive mode ipv6Fowarding cfg is set to true",
+                                 onfail="Failed to cfg set Reactive mode ipv6Fowarding" )
+
+        main.step( "Discover hosts using ping" )
+        numHosts = int( main.params['TOPO2']['numHosts'] )
+        for i in range(numHosts):
+            src = "h1"
+            dest = "1000::" + str(i+1)
+            main.Mininet1.handle.sendline( src + " ping6 " + dest + " -c 3 -i 1 -W 1")
+            main.Mininet1.handle.expect( "mininet>" )
+            main.log.info( main.Mininet1.handle.before )
+        hosts = main.CLIs[0].hosts( jsonFormat=False )
+        main.log.info( hosts )
+
+        main.step( "Disable Reactive forwarding" )
+        main.log.info( "Uninstall IPv6 reactive forwarding app" )
+        appCheck = main.TRUE
+        appResults = main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        pool = []
+        for cli in main.CLIs:
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
+            t.start()
+
+        for t in pool:
+            t.join()
+            appCheck = appCheck and t.result
+        utilities.assert_equals( expect=main.TRUE, actual=appCheck,
+                                 onpass="App Ids seem to be correct",
+                                 onfail="Something is wrong with app Ids" )
+
+        if appCheck != main.TRUE:
+            main.log.warn( main.CLIs[0].apps() )
+            main.log.warn( main.CLIs[0].appIDs() )
+
+        # Waiting for reative flows to be cleared.
+        time.sleep( 30 )
+
+        main.step( "Disable IPv4 Reactive forwarding" )
+        appResult =  main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully deactivated IPv4 fwd app",
+                                 onfail="Failed to deactivate IPv4 fwd app" )
+
+    def CASE149( self, main ):
+        """
+        Verify reactive forwarding in Spine-leaf topology, use a different ping method than CASE142
+        """
+        import time
+        main.log.report( "Verify IPv6 Reactive forwarding (Spine-leaf Topology)" )
+        main.log.report( "______________________________________________" )
+        main.case( "Enable Reactive forwarding, verify ping6, and disable reactive forwarding" )
+
+        main.step( "Enable IPv4 Reactive forwarding" )
+        appResult = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully install fwd app",
+                                 onfail="Failed to install fwd app" )
+
+        main.step( "Set IPv6 cfg parameters for Reactive forwarding" )
+        cfgResult1 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "ipv6Forwarding", "true" )
+        cfgResult2 = main.CLIs[0].setCfg( "org.onosproject.fwd.ReactiveForwarding", "matchIpv6Address", "true" )
+        cfgResult = cfgResult1 and cfgResult2
+        utilities.assert_equals( expect=main.TRUE, actual=cfgResult,
+                                 onpass="Reactive mode ipv6Fowarding cfg is set to true",
+                                 onfail="Failed to cfg set Reactive mode ipv6Fowarding" )
+
+        main.step( "Discover hosts using ping" )
+        numHosts = int( main.params['TOPO3']['numHosts'] )
+        for i in range(11, numHosts+10):
+            src = "h11"
+            dest = "1000::" + str(i+1)
+            main.Mininet1.handle.sendline( src + " ping6 " + dest + " -c 3 -i 1 -W 1")
+            main.Mininet1.handle.expect( "mininet>" )
+            main.log.info( main.Mininet1.handle.before )
+        hosts = main.CLIs[0].hosts( jsonFormat=False )
+        main.log.info( hosts )
+
+        main.step( "Disable Reactive forwarding" )
+        main.log.info( "Uninstall IPv6 reactive forwarding app" )
+        appCheck = main.TRUE
+        appResults = main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        pool = []
+        for cli in main.CLIs:
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
+            t.start()
+
+        for t in pool:
+            t.join()
+            appCheck = appCheck and t.result
+        utilities.assert_equals( expect=main.TRUE, actual=appCheck,
+                                 onpass="App Ids seem to be correct",
+                                 onfail="Something is wrong with app Ids" )
+
+        if appCheck != main.TRUE:
+            main.log.warn( main.CLIs[0].apps() )
+            main.log.warn( main.CLIs[0].appIDs() )
+
+        # Waiting for reative flows to be cleared.
+        time.sleep( 30 )
+
+        main.step( "Disable IPv4 Reactive forwarding" )
+        appResult =  main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
+        utilities.assert_equals( expect=main.TRUE, actual=appResult,
+                                 onpass="Successfully deactivated IPv4 fwd app",
+                                 onfail="Failed to deactivate IPv4 fwd app" )
+
+    def CASE5( self, main ):
+        """
+        Compare current ONOS topology with reference data
+        """
+        import re
+
+        devicesDPIDTemp = []
+        hostMACsTemp = []
+        deviceLinksTemp = []
+        deviceActiveLinksCountTemp = []
+        devicePortsEnabledCountTemp = []
+
+        main.log.report(
+            "Compare ONOS topology with reference data in Stores" )
+        main.log.report( "__________________________________________________" )
+        main.case( "Compare ONOS topology with reference data" )
+
+        main.step( "Compare current Device ports enabled with reference" )
+
+        for check in range(main.topoCheck):
+            time1 = time.time()
+            for i in xrange( 1,(main.numMNswitches + 1), int( main.numCtrls ) ):
+                pool = []
+                for cli in main.CLIs:
+                    if i >=  main.numMNswitches + 1:
+                        break
+                    dpid = "of:00000000000000" + format( i, "02x" )
+                    t = main.Thread(target = cli.getDevicePortsEnabledCount,
+                            threadID = main.threadID,
+                            name = "getDevicePortsEnabledCount",
+                            args = [dpid])
+                    t.start()
+                    pool.append(t)
+                    i = i + 1
+                    main.threadID = main.threadID + 1
+                for thread in pool:
+                    thread.join()
+                    portResult = thread.result
+                    #portTemp = re.split( r'\t+', portResult )
+                    #portCount = portTemp[ 1 ].replace( "\r\r\n\x1b[32m", "" )
+                    devicePortsEnabledCountTemp.append( portResult )
+
+            time2 = time.time()
+            main.log.info("Time for counting enabled ports of the switches: %2f seconds" %(time2-time1))
+            main.log.info (
+                "Device Enabled ports EXPECTED: %s" %
+                str( main.devicePortsEnabledCount ) )
+            main.log.info (
+                "Device Enabled ports ACTUAL: %s" %
+                str( devicePortsEnabledCountTemp ) )
+
+            if ( cmp( main.devicePortsEnabledCount,
+                      devicePortsEnabledCountTemp ) == 0 ):
+                stepResult1 = main.TRUE
+            else:
+                stepResult1 = main.FALSE
+
+            main.step( "Compare Device active links with reference" )
+            time1 = time.time()
+            for i in xrange( 1, ( main.numMNswitches + 1) , int( main.numCtrls ) ):
+                pool = []
+                for cli in main.CLIs:
+                    if i >=  main.numMNswitches + 1:
+                        break
+                    dpid = "of:00000000000000" + format( i, "02x" )
+                    t = main.Thread(target = cli.getDeviceLinksActiveCount,
+                            threadID = main.threadID,
+                            name = "getDeviceLinksActiveCount",
+                            args = [dpid])
+                    t.start()
+                    pool.append(t)
+                    i = i + 1
+                    main.threadID = main.threadID + 1
+                for thread in pool:
+                    thread.join()
+                    linkCountResult = thread.result
+                    #linkCountTemp = re.split( r'\t+', linkCountResult )
+                    #linkCount = linkCountTemp[ 1 ].replace( "\r\r\n\x1b[32m", "" )
+                    deviceActiveLinksCountTemp.append( linkCountResult )
+
+                    time2 = time.time()
+                    main.log.info("Time for counting all enabled links of the switches: %2f seconds" %(time2-time1))
+                    main.log.info (
+                        "Device Active links EXPECTED: %s" %
+                          str( main.deviceActiveLinksCount ) )
+                    main.log.info (
+                        "Device Active links ACTUAL: %s" % str( deviceActiveLinksCountTemp ) )
+                    if ( cmp( main.deviceActiveLinksCount, deviceActiveLinksCountTemp ) == 0 ):
+                        stepResult2 = main.TRUE
+                    else:
+                        stepResult2 = main.FALSE
+
+            """
+            place holder for comparing devices, hosts, paths and intents if required.
+            Links and ports data would be incorrect with out devices anyways.
+            """
+            caseResult = ( stepResult1 and stepResult2 )
+
+            if caseResult:
+                break
+            else:
+                time.sleep( main.topoCheckDelay )
+                main.log.warn( "Topology check failed. Trying again..." )
+
+
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Compare Topology test PASS",
+                                 onfail="Compare Topology test FAIL" )
+
+    def CASE60( self ):
+        """
+        Install 300 host intents and verify ping all (Att Topology)
+        """
+        main.log.report( "Add 300 host intents and verify pingall (Att Topology)" )
+        main.log.report( "_______________________________________" )
+        main.case( "Install 300 host intents" )
+
+        main.step( "Add host Intents" )
+        intentIdList = main.CHOtestFunctions.installHostIntents()
+        main.intentIds = list(intentIdList)
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE, actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE, actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = ( intentState and pingResult )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 300 Host Intents and Ping All test PASS",
+            onfail="Install 300 Host Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE61( self ):
+        """
+        Install 300 host intents and verify ping all for Chordal Topology
+        """
+        main.log.report( "Add 300 host intents and verify pingall (Chordal Topo)" )
+        main.log.report( "_______________________________________" )
+        main.case( "Install 300 host intents" )
+
+        main.step( "Add host Intents" )
+        intentIdList = main.CHOtestFunctions.installHostIntents()
+        main.intentIds = list(intentIdList)
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE, actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE, actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = ( intentState and pingResult )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=caseResult,
+                                 onpass="Install 300 Host Intents and Ping All test PASS",
+                                 onfail="Install 300 Host Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE62( self ):
+        """
+        Install 2278 host intents and verify ping all for Spine Topology
+        """
+        main.log.report( "Add 2278 host intents and verify pingall (Spine Topo)" )
+        main.log.report( "_______________________________________" )
+        main.case( "Install 2278 host intents" )
+
+        main.step( "Add host Intents" )
+        intentIdList = main.CHOtestFunctions.installHostIntents()
+        main.intentIds = list(intentIdList)
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE, actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE, actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = ( intentState and pingResult )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=caseResult,
+                                 onpass="Install 2278 Host Intents and Ping All test PASS",
+                                 onfail="Install 2278 Host Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE160( self ):
+        """
+        Verify IPv6 ping across 300 host intents (Att Topology)
+        """
+        main.log.report( "Verify IPv6 ping across 300 host intents (Att Topology)" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all 300 host intents" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 300 host intents test PASS",
+            onfail="IPv6 Ping across 300 host intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE161( self ):
+        """
+        Verify IPv6 ping across 300 host intents (Chordal Topology)
+        """
+        main.log.report( "Verify IPv6 ping across 300 host intents (Chordal Topology)" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all 300 host intents" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE, actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 300 host intents test PASS",
+            onfail="IPv6 Ping across 300 host intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE162( self ):
+        """
+        Verify IPv6 ping across 2278 host intents (Spine Topology)
+        """
+        main.log.report( "Verify IPv6 ping across 2278 host intents (Spine Topology)" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all 2278 host intents" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE, actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 2278 host intents test PASS",
+            onfail="IPv6 Ping across 2278 host intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE70( self, main ):
+        """
+        Randomly bring some core links down and verify ping all ( Host Intents-Att Topo)
+        """
+        import random
+        main.randomLink1 = []
+        main.randomLink2 = []
+        main.randomLink3 = []
+        link1End1 = main.params[ 'ATTCORELINKS' ][ 'linkS3a' ]
+        link1End2 = main.params[ 'ATTCORELINKS' ][ 'linkS3b' ].split( ',' )
+        link2End1 = main.params[ 'ATTCORELINKS' ][ 'linkS14a' ]
+        link2End2 = main.params[ 'ATTCORELINKS' ][ 'linkS14b' ].split( ',' )
+        link3End1 = main.params[ 'ATTCORELINKS' ][ 'linkS18a' ]
+        link3End2 = main.params[ 'ATTCORELINKS' ][ 'linkS18b' ].split( ',' )
+        switchLinksToToggle = main.params[ 'ATTCORELINKS' ][ 'toggleLinks' ]
+
+        main.log.report( "Randomly bring some core links down and verify ping all (Host Intents-Att Topo)" )
+        main.log.report( "___________________________________________________________________________" )
+        main.case( "Host intents - Randomly bring some core links down and verify ping all" )
+        main.step( "Verify number of Switch links to toggle on each Core Switch are between 1 - 5" )
+        if ( int( switchLinksToToggle ) ==
+             0 or int( switchLinksToToggle ) > 5 ):
+            main.log.info( "Please check your PARAMS file. Valid range for number of switch links to toggle is between 1 to 5" )
+            #main.cleanup()
+            #main.exit()
+        else:
+            main.log.info( "User provided Core switch links range to toggle is correct, proceeding to run the test" )
+
+        main.step( "Cut links on Core devices using user provided range" )
+        main.randomLink1 = random.sample( link1End2, int( switchLinksToToggle ) )
+        main.randomLink2 = random.sample( link2End2, int( switchLinksToToggle ) )
+        main.randomLink3 = random.sample( link3End2, int( switchLinksToToggle ) )
+        for i in range( int( switchLinksToToggle ) ):
+            main.Mininet1.link(
+                END1=link1End1,
+                END2=main.randomLink1[ i ],
+                OPTION="down" )
+            time.sleep( main.linkSleep )
+            main.Mininet1.link(
+                END1=link2End1,
+                END2=main.randomLink2[ i ],
+                OPTION="down" )
+            time.sleep( main.linkSleep )
+            main.Mininet1.link(
+                END1=link3End1,
+                END2=main.randomLink3[ i ],
+                OPTION="down" )
+            time.sleep( main.linkSleep )
+
+        main.step("Verify link down is discoverd by onos")
+        linkDown = main.CHOtestFunctions.checkLinkEvents( "down",
+                                                          int( main.numMNlinks ) -
+                                                          int( switchLinksToToggle ) * 6 )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkDown,
+                                 onpass="Link down discovered properly",
+                                 onfail="Link down was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkDown and pingResult and intentState
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=caseResult,
+                                 onpass="Random Link cut Test PASS",
+                                 onfail="Random Link cut Test FAIL" )
+
+        # Printing what exactly failed
+        if not linkDown:
+            main.log.debug( "Link down was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE80( self, main ):
+        """
+        Bring the core links up that are down and verify ping all ( Host Intents-Att Topo )
+        """
+        import random
+        link1End1 = main.params[ 'ATTCORELINKS' ][ 'linkS3a' ]
+        link2End1 = main.params[ 'ATTCORELINKS' ][ 'linkS14a' ]
+        link3End1 = main.params[ 'ATTCORELINKS' ][ 'linkS18a' ]
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+        switchLinksToToggle = main.params[ 'ATTCORELINKS' ][ 'toggleLinks' ]
+
+        main.log.report(
+            "Bring the core links up that are down and verify ping all (Host Intents-Att Topo" )
+        main.log.report(
+            "__________________________________________________________________" )
+        main.case(
+            "Host intents - Bring the core links up that are down and verify ping all" )
+        main.step( "Bring randomly cut links on Core devices up" )
+        for i in range( int( switchLinksToToggle ) ):
+            main.Mininet1.link(
+                END1=link1End1,
+                END2=main.randomLink1[ i ],
+                OPTION="up" )
+            time.sleep( main.linkSleep )
+            main.Mininet1.link(
+                END1=link2End1,
+                END2=main.randomLink2[ i ],
+                OPTION="up" )
+            time.sleep( main.linkSleep )
+            main.Mininet1.link(
+                END1=link3End1,
+                END2=main.randomLink3[ i ],
+                OPTION="up" )
+            time.sleep( main.linkSleep )
+
+        main.step("Verify link up is discoverd by onos")
+        linkUp = main.CHOtestFunctions.checkLinkEvents( "up",
+                                                        int( main.numMNlinks ) )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkUp,
+                                 onpass="Link up discovered properly",
+                                 onfail="Link up was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkUp and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Link Up Test PASS",
+                                 onfail="Link Up Test FAIL" )
+        # Printing what exactly failed
+        if not linkUp:
+            main.log.debug( "Link up was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE71( self, main ):
+        """
+        Randomly bring some core links down and verify ping all ( Point Intents-Att Topo)
+        """
+        import random
+        main.randomLink1 = []
+        main.randomLink2 = []
+        main.randomLink3 = []
+        link1End1 = main.params[ 'ATTCORELINKS' ][ 'linkS3a' ]
+        link1End2 = main.params[ 'ATTCORELINKS' ][ 'linkS3b' ].split( ',' )
+        link2End1 = main.params[ 'ATTCORELINKS' ][ 'linkS14a' ]
+        link2End2 = main.params[ 'ATTCORELINKS' ][ 'linkS14b' ].split( ',' )
+        link3End1 = main.params[ 'ATTCORELINKS' ][ 'linkS18a' ]
+        link3End2 = main.params[ 'ATTCORELINKS' ][ 'linkS18b' ].split( ',' )
+        switchLinksToToggle = main.params[ 'ATTCORELINKS' ][ 'toggleLinks' ]
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+
+        main.log.report( "Randomly bring some core links down and verify ping all (Point Intents-Att Topo)" )
+        main.log.report( "___________________________________________________________________________" )
+        main.case( "Point intents - Randomly bring some core links down and verify ping all" )
+        main.step( "Verify number of Switch links to toggle on each Core Switch are between 1 - 5" )
+        if ( int( switchLinksToToggle ) ==
+             0 or int( switchLinksToToggle ) > 5 ):
+            main.log.info( "Please check your PARAMS file. Valid range for number of switch links to toggle is between 1 to 5" )
+            #main.cleanup()
+            #main.exit()
+        else:
+            main.log.info( "User provided Core switch links range to toggle is correct, proceeding to run the test" )
+
+        main.step( "Cut links on Core devices using user provided range" )
+        main.randomLink1 = random.sample( link1End2, int( switchLinksToToggle ) )
+        main.randomLink2 = random.sample( link2End2, int( switchLinksToToggle ) )
+        main.randomLink3 = random.sample( link3End2, int( switchLinksToToggle ) )
+        for i in range( int( switchLinksToToggle ) ):
+            main.Mininet1.link(
+                END1=link1End1,
+                END2=main.randomLink1[ i ],
+                OPTION="down" )
+            time.sleep( main.linkSleep )
+            main.Mininet1.link(
+                END1=link2End1,
+                END2=main.randomLink2[ i ],
+                OPTION="down" )
+            time.sleep( main.linkSleep )
+            main.Mininet1.link(
+                END1=link3End1,
+                END2=main.randomLink3[ i ],
+                OPTION="down" )
+            time.sleep( main.linkSleep )
+
+        main.step("Verify link down is discoverd by onos")
+        linkDown = main.CHOtestFunctions.checkLinkEvents( "down",
+                                                          int( main.numMNlinks ) - int( switchLinksToToggle ) * 6 )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkDown,
+                                 onpass="Link down discovered properly",
+                                 onfail="Link down was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkDown and pingResult and intentState
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Random Link cut Test PASS",
+                                 onfail="Random Link cut Test FAIL" )
+
+        # Printing what exactly failed
+        if not linkDown:
+            main.log.debug( "Link down was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE81( self, main ):
+        """
+        Bring the core links up that are down and verify ping all ( Point Intents-Att Topo )
+        """
+        import random
+        link1End1 = main.params[ 'ATTCORELINKS' ][ 'linkS3a' ]
+        link2End1 = main.params[ 'ATTCORELINKS' ][ 'linkS14a' ]
+        link3End1 = main.params[ 'ATTCORELINKS' ][ 'linkS18a' ]
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+        switchLinksToToggle = main.params[ 'ATTCORELINKS' ][ 'toggleLinks' ]
+
+        main.log.report(
+            "Bring the core links up that are down and verify ping all ( Point Intents-Att Topo" )
+        main.log.report(
+            "__________________________________________________________________" )
+        main.case(
+            "Point intents - Bring the core links up that are down and verify ping all" )
+        main.step( "Bring randomly cut links on Core devices up" )
+        for i in range( int( switchLinksToToggle ) ):
+            main.Mininet1.link(
+                END1=link1End1,
+                END2=main.randomLink1[ i ],
+                OPTION="up" )
+            time.sleep( main.linkSleep )
+            main.Mininet1.link(
+                END1=link2End1,
+                END2=main.randomLink2[ i ],
+                OPTION="up" )
+            time.sleep( main.linkSleep )
+            main.Mininet1.link(
+                END1=link3End1,
+                END2=main.randomLink3[ i ],
+                OPTION="up" )
+            time.sleep( main.linkSleep )
+
+        main.step("Verify link up is discoverd by onos")
+        linkUp = main.CHOtestFunctions.checkLinkEvents( "up", int( main.numMNlinks ) )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkUp,
+                                 onpass="Link up discovered properly",
+                                 onfail="Link up was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkUp and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Link Up Test PASS",
+                                 onfail="Link Up Test FAIL" )
+        # Printing what exactly failed
+        if not linkUp:
+            main.log.debug( "Link up was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE72( self, main ):
+        """
+        Randomly bring some links down and verify ping all ( Host Intents-Chordal Topo)
+        """
+        import random
+        import itertools
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+
+        main.log.report( "Randomly bring some core links down and verify ping all (Host Intents-Chordal Topo)" )
+        main.log.report( "___________________________________________________________________________" )
+        main.case( "Host intents - Randomly bring some core links down and verify ping all" )
+        switches = []
+        switchesComb = []
+        for i in range( main.numMNswitches ):
+            switches.append('s%d'%(i+1))
+        switchesLinksComb = list(itertools.combinations(switches,2))
+        main.randomLinks = random.sample(switchesLinksComb, 5 )
+        print main.randomLinks
+        main.step( "Cut links on random devices" )
+
+        for switch in main.randomLinks:
+            main.Mininet1.link(
+                END1=switch[0],
+                END2=switch[1],
+                OPTION="down")
+            time.sleep( main.linkSleep )
+
+        main.step("Verify link down is discoverd by onos")
+        linkDown = main.CHOtestFunctions.checkLinkEvents( "down", int( main.numMNlinks ) - 5 * 2 )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkDown,
+                                 onpass="Link down discovered properly",
+                                 onfail="Link down was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkDown and pingResult and intentState
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Random Link cut Test PASS",
+                                 onfail="Random Link cut Test FAIL" )
+
+        # Printing what exactly failed
+        if not linkDown:
+            main.log.debug( "Link down was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE82( self, main ):
+        """
+        Bring the core links up that are down and verify ping all ( Host Intents Chordal Topo )
+        """
+        import random
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+
+        main.log.report(
+            "Bring the core links up that are down and verify ping all (Host Intents-Chordal Topo" )
+        main.log.report(
+            "__________________________________________________________________" )
+        main.case(
+            "Host intents - Bring the core links up that are down and verify ping all" )
+        main.step( "Bring randomly cut links on devices up" )
+
+        for switch in main.randomLinks:
+            main.Mininet1.link(
+                END1=switch[0],
+                END2=switch[1],
+                OPTION="up")
+            time.sleep( main.linkSleep )
+
+        main.step("Verify link up is discoverd by onos")
+        linkUp = main.CHOtestFunctions.checkLinkEvents( "up", int( main.numMNlinks ) )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkUp,
+                                 onpass="Link up discovered properly",
+                                 onfail="Link up was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkUp and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Link Up Test PASS",
+                                 onfail="Link Up Test FAIL" )
+        # Printing what exactly failed
+        if not linkUp:
+            main.log.debug( "Link up was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE73( self, main ):
+        """
+        Randomly bring some links down and verify ping all ( Point Intents-Chordal Topo)
+        """
+        import random
+        import itertools
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+
+        main.log.report( "Randomly bring some core links down and verify ping all ( Point Intents-Chordal Topo)" )
+        main.log.report( "___________________________________________________________________________" )
+        main.case( "Point intents - Randomly bring some core links down and verify ping all" )
+        switches = []
+        switchesComb = []
+        for i in range( main.numMNswitches ):
+            switches.append('s%d'%(i+1))
+        switchesLinksComb = list(itertools.combinations(switches,2))
+        main.randomLinks = random.sample(switchesLinksComb, 5 )
+        print main.randomLinks
+        main.step( "Cut links on random devices" )
+
+        for switch in main.randomLinks:
+            main.Mininet1.link(
+                END1=switch[0],
+                END2=switch[1],
+                OPTION="down")
+            time.sleep( main.linkSleep )
+
+        main.step("Verify link down is discoverd by onos")
+        linkDown = main.CHOtestFunctions.checkLinkEvents( "down", int( main.numMNlinks ) - 5 * 2 )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkDown,
+                                 onpass="Link down discovered properly",
+                                 onfail="Link down was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkDown and pingResult and intentState
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Random Link cut Test PASS",
+                                 onfail="Random Link cut Test FAIL" )
+
+        # Printing what exactly failed
+        if not linkDown:
+            main.log.debug( "Link down was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE83( self, main ):
+        """
+        Bring the core links up that are down and verify ping all ( Point Intents Chordal Topo )
+        """
+        import random
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+
+        main.log.report(
+            "Bring the core links up that are down and verify ping all ( Point Intents-Chordal Topo" )
+        main.log.report(
+            "__________________________________________________________________" )
+        main.case(
+            "Point intents - Bring the core links up that are down and verify ping all" )
+        main.step( "Bring randomly cut links on devices up" )
+
+        for switch in main.randomLinks:
+            main.Mininet1.link(
+                END1=switch[0],
+                END2=switch[1],
+                OPTION="up")
+            time.sleep( main.linkSleep )
+
+        main.step("Verify link up is discoverd by onos")
+        linkUp = main.CHOtestFunctions.checkLinkEvents( "up", int( main.numMNlinks ) )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkUp,
+                                 onpass="Link up discovered properly",
+                                 onfail="Link up was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkUp and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Link Up Test PASS",
+                                 onfail="Link Up Test FAIL" )
+        # Printing what exactly failed
+        if not linkUp:
+            main.log.debug( "Link up was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE74( self, main ):
+        """
+        Randomly bring some core links down and verify ping all ( Host Intents-Spine Topo)
+        """
+        import random
+        main.randomLink1 = []
+        main.randomLink2 = []
+        main.randomLink3 = []
+        main.randomLink4 = []
+        link1End1 = main.params[ 'SPINECORELINKS' ][ 'linkS9' ]
+        link1End2top = main.params[ 'SPINECORELINKS' ][ 'linkS9top' ].split( ',' )
+        link1End2bot = main.params[ 'SPINECORELINKS' ][ 'linkS9bot' ].split( ',' )
+        link2End1 = main.params[ 'SPINECORELINKS' ][ 'linkS10' ]
+        link2End2top = main.params[ 'SPINECORELINKS' ][ 'linkS10top' ].split( ',' )
+        link2End2bot = main.params[ 'SPINECORELINKS' ][ 'linkS10bot' ].split( ',' )
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+
+        main.log.report( "Bring some core links down and verify ping all (Host Intents-Spine Topo)" )
+        main.log.report( "___________________________________________________________________________" )
+        main.log.case( "Bring some core links down and verify ping all (Host Intents-Spine Topo)" )
+
+        main.step( "Bring some core links down" )
+        linkIndex = range(4)
+        linkIndexS9 = random.sample(linkIndex,1)[0]
+        linkIndex.remove(linkIndexS9)
+        linkIndexS10 = random.sample(linkIndex,1)[0]
+        main.randomLink1 = link1End2top[linkIndexS9]
+        main.randomLink2 = link2End2top[linkIndexS10]
+        main.randomLink3 = random.sample(link1End2bot,1)[0]
+        main.randomLink4 = random.sample(link2End2bot,1)[0]
+
+        # Work around for link state propagation delay. Added some sleep time.
+        # main.Mininet1.link( END1=link1End1, END2=main.randomLink1, OPTION="down" )
+        # main.Mininet1.link( END1=link2End1, END2=main.randomLink2, OPTION="down" )
+        main.Mininet1.link( END1=link1End1, END2=main.randomLink3, OPTION="down" )
+        time.sleep( main.linkSleep )
+        main.Mininet1.link( END1=link2End1, END2=main.randomLink4, OPTION="down" )
+        time.sleep( main.linkSleep )
+
+        main.step( "Verify link down is discoverd by onos" )
+        linkDown = main.CHOtestFunctions.checkLinkEvents( "down", int( main.numMNlinks ) - 4 )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkDown,
+                                 onpass="Link down discovered properly",
+                                 onfail="Link down was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step( "Verify intents are installed" )
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkDown and pingResult and intentState
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Random Link cut Test PASS",
+                                 onfail="Random Link cut Test FAIL" )
+
+        # Printing what exactly failed
+        if not linkDown:
+            main.log.debug( "Link down was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE84( self, main ):
+        """
+        Bring the core links up that are down and verify ping all ( Host Intents-Spine Topo )
+        """
+        import random
+        link1End1 = main.params[ 'SPINECORELINKS' ][ 'linkS9' ]
+        link2End1 = main.params[ 'SPINECORELINKS' ][ 'linkS10' ]
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+        main.log.report(
+            "Bring the core links up that are down and verify ping all (Host Intents-Spine Topo" )
+        main.log.report(
+            "__________________________________________________________________" )
+        main.case(
+            "Host intents - Bring the core links up that are down and verify ping all" )
+
+        main.step( "Bring up the core links that are down" )
+        # Work around for link state propagation delay. Added some sleep time.
+        # main.Mininet1.link( END1=link1End1, END2=main.randomLink1, OPTION="up" )
+        # main.Mininet1.link( END1=link2End1, END2=main.randomLink2, OPTION="up" )
+        main.Mininet1.link( END1=link1End1, END2=main.randomLink3, OPTION="up" )
+        time.sleep( main.linkSleep )
+        main.Mininet1.link( END1=link2End1, END2=main.randomLink4, OPTION="up" )
+        time.sleep( main.linkSleep )
+
+        main.step("Verify link up is discoverd by onos")
+        linkUp = main.CHOtestFunctions.checkLinkEvents( "up", int( main.numMNlinks ) )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkUp,
+                                 onpass="Link up discovered properly",
+                                 onfail="Link up was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkUp and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Link Up Test PASS",
+                                 onfail="Link Up Test FAIL" )
+        # Printing what exactly failed
+        if not linkUp:
+            main.log.debug( "Link up was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE75( self, main ):
+        """
+        Randomly bring some core links down and verify ping all ( Point Intents-Spine Topo)
+        """
+        import random
+        main.randomLink1 = []
+        main.randomLink2 = []
+        main.randomLink3 = []
+        main.randomLink4 = []
+        link1End1 = main.params[ 'SPINECORELINKS' ][ 'linkS9' ]
+        link1End2top = main.params[ 'SPINECORELINKS' ][ 'linkS9top' ].split( ',' )
+        link1End2bot = main.params[ 'SPINECORELINKS' ][ 'linkS9bot' ].split( ',' )
+        link2End1 = main.params[ 'SPINECORELINKS' ][ 'linkS10' ]
+        link2End2top = main.params[ 'SPINECORELINKS' ][ 'linkS10top' ].split( ',' )
+        link2End2bot = main.params[ 'SPINECORELINKS' ][ 'linkS10bot' ].split( ',' )
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+
+        main.log.report( "Bring some core links down and verify ping all (Point Intents-Spine Topo)" )
+        main.log.report( "___________________________________________________________________________" )
+        main.case( "Bring some core links down and verify ping all (Point Intents-Spine Topo)" )
+
+        main.step( "Bring some core links down" )
+        linkIndex = range(4)
+        linkIndexS9 = random.sample(linkIndex,1)[0]
+        linkIndex.remove(linkIndexS9)
+        linkIndexS10 = random.sample(linkIndex,1)[0]
+        main.randomLink1 = link1End2top[linkIndexS9]
+        main.randomLink2 = link2End2top[linkIndexS10]
+        main.randomLink3 = random.sample(link1End2bot,1)[0]
+        main.randomLink4 = random.sample(link2End2bot,1)[0]
+
+        # Work around for link state propagation delay. Added some sleep time.
+        # main.Mininet1.link( END1=link1End1, END2=main.randomLink1, OPTION="down" )
+        # main.Mininet1.link( END1=link2End1, END2=main.randomLink2, OPTION="down" )
+        main.Mininet1.link( END1=link1End1, END2=main.randomLink3, OPTION="down" )
+        time.sleep( main.linkSleep )
+        main.Mininet1.link( END1=link2End1, END2=main.randomLink4, OPTION="down" )
+        time.sleep( main.linkSleep )
+
+        main.step("Verify link down is discoverd by onos")
+        linkDown = main.CHOtestFunctions.checkLinkEvents( "down", int( main.numMNlinks ) - 4 )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkDown,
+                                 onpass="Link down discovered properly",
+                                 onfail="Link down was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkDown and pingResult and intentState
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Random Link cut Test PASS",
+                                 onfail="Random Link cut Test FAIL" )
+
+        # Printing what exactly failed
+        if not linkDown:
+            main.log.debug( "Link down was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE85( self, main ):
+        """
+        Bring the core links up that are down and verify ping all ( Point Intents-Spine Topo )
+        """
+        import random
+        link1End1 = main.params[ 'SPINECORELINKS' ][ 'linkS9' ]
+        link2End1 = main.params[ 'SPINECORELINKS' ][ 'linkS10' ]
+        main.linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+        main.log.report(
+            "Bring the core links up that are down and verify ping all (Point Intents-Spine Topo" )
+        main.log.report(
+            "__________________________________________________________________" )
+        main.case(
+            "Point intents - Bring the core links up that are down and verify ping all" )
+
+        main.step( "Bring up the core links that are down" )
+        # Work around for link state propagation delay. Added some sleep time.
+        # main.Mininet1.link( END1=link1End1, END2=main.randomLink1, OPTION="up" )
+        # main.Mininet1.link( END1=link2End1, END2=main.randomLink2, OPTION="up" )
+        main.Mininet1.link( END1=link1End1, END2=main.randomLink3, OPTION="up" )
+        time.sleep( main.linkSleep )
+        main.Mininet1.link( END1=link2End1, END2=main.randomLink4, OPTION="up" )
+        time.sleep( main.linkSleep )
+
+        main.step("Verify link up is discoverd by onos")
+        linkUp = main.CHOtestFunctions.checkLinkEvents( "up", int( main.numMNlinks ) )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=linkUp,
+                                 onpass="Link up discovered properly",
+                                 onfail="Link up was not discovered in " +
+                                        str( main.linkSleep * main.linkCheck ) +
+                                        " seconds" )
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = linkUp and pingResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Link Up Test PASS",
+                                 onfail="Link Up Test FAIL" )
+        # Printing what exactly failed
+        if not linkUp:
+            main.log.debug( "Link up was not discovered correctly" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not intentState:
+            main.log.debug( "Intents are not all installed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE170( self ):
+        """
+        IPv6 ping all with some core links down( Host Intents-Att Topo)
+        """
+        main.log.report( "IPv6 ping all with some core links down( Host Intents-Att Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with some core links down( Host Intents-Att Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 300 host intents test PASS",
+            onfail="IPv6 Ping across 300 host intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE180( self ):
+        """
+        IPv6 ping all with after core links back up( Host Intents-Att Topo)
+        """
+        main.log.report( "IPv6 ping all with after core links back up( Host Intents-Att Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with after core links back up( Host Intents-Att Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 300 host intents test PASS",
+            onfail="IPv6 Ping across 300 host intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE171( self ):
+        """
+        IPv6 ping all with some core links down( Point Intents-Att Topo)
+        """
+        main.log.report( "IPv6 ping all with some core links down( Point Intents-Att Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with some core links down( Point Intents-Att Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 600 point intents test PASS",
+            onfail="IPv6 Ping across 600 point intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE181( self ):
+        """
+        IPv6 ping all with after core links back up( Point Intents-Att Topo)
+        """
+        main.log.report( "IPv6 ping all with after core links back up( Point Intents-Att Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with after core links back up( Point Intents-Att Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 600 Point intents test PASS",
+            onfail="IPv6 Ping across 600 Point intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE172( self ):
+        """
+        IPv6 ping all with some core links down( Host Intents-Chordal Topo)
+        """
+        main.log.report( "IPv6 ping all with some core links down( Host Intents-Chordal Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with some core links down( Host Intents-Chordal Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 300 host intents test PASS",
+            onfail="IPv6 Ping across 300 host intents test FAIL" )
+
+    def CASE182( self ):
+        """
+        IPv6 ping all with after core links back up( Host Intents-Chordal Topo)
+        """
+        main.log.report( "IPv6 ping all with after core links back up( Host Intents-Chordal Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with after core links back up( Host Intents-Chordal Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 300 host intents test PASS",
+            onfail="IPv6 Ping across 300 host intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE173( self ):
+        """
+        IPv6 ping all with some core links down( Point Intents-Chordal Topo)
+        """
+        main.log.report( "IPv6 ping all with some core links down( Point Intents-Chordal Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with some core links down( Point Intents-Chordal Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 600 point intents test PASS",
+            onfail="IPv6 Ping across 600 point intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE183( self ):
+        """
+        IPv6 ping all with after core links back up( Point Intents-Chordal Topo)
+        """
+        main.log.report( "IPv6 ping all with after core links back up( Point Intents-Chordal Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with after core links back up( Point Intents-Chordal Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 600 Point intents test PASS",
+            onfail="IPv6 Ping across 600 Point intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE174( self ):
+        """
+        IPv6 ping all with some core links down( Host Intents-Spine Topo)
+        """
+        main.log.report( "IPv6 ping all with some core links down( Host Intents-Spine Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with some core links down( Host Intents-Spine Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 2278 host intents test PASS",
+            onfail="IPv6 Ping across 2278 host intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE184( self ):
+        """
+        IPv6 ping all with after core links back up( Host Intents-Spine Topo)
+        """
+        main.log.report( "IPv6 ping all with after core links back up( Host Intents-Spine Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with after core links back up( Host Intents-Spine Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 2278 host intents test PASS",
+            onfail="IPv6 Ping across 2278 host intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE175( self ):
+        """
+        IPv6 ping all with some core links down( Point Intents-Spine Topo)
+        """
+        main.log.report( "IPv6 ping all with some core links down( Point Intents-Spine Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with some core links down( Point Intents-Spine Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 4556 point intents test PASS",
+            onfail="IPv6 Ping across 4556 point intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE185( self ):
+        """
+        IPv6 ping all with after core links back up( Point Intents-Spine Topo)
+        """
+        main.log.report( "IPv6 ping all with after core links back up( Point Intents-Spine Topo )" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all with after core links back up( Point Intents-Spine Topo )" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 4556 Point intents test PASS",
+            onfail="IPv6 Ping across 4556 Point intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE90( self ):
+        """
+        Install 600 point intents and verify ping all (Att Topology)
+        """
+        main.log.report( "Add 600 point intents and verify pingall (Att Topology)" )
+        main.log.report( "_______________________________________" )
+        main.case( "Install 600 point intents" )
+
+        main.step( "Add point Intents" )
+        intentIdList = main.CHOtestFunctions.installPointIntents()
+        main.intentIds = list(intentIdList)
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = ( intentState and pingResult )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 600 point Intents and Ping All test PASS",
+            onfail="Install 600 point Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE91( self ):
+        """
+        Install 600 point intents and verify ping all (Chordal Topology)
+        """
+        main.log.report( "Add 600 point intents and verify pingall (Chordal Topology)" )
+        main.log.report( "_______________________________________" )
+        main.case( "Install 600 point intents" )
+
+        main.step( "Add point Intents" )
+        intentIdList = main.CHOtestFunctions.installPointIntents()
+        main.intentIds = list(intentIdList)
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = ( intentState and pingResult )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 600 point Intents and Ping All test PASS",
+            onfail="Install 600 point Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE92( self ):
+        """
+        Install 4556 point intents and verify ping all (Spine Topology)
+        """
+        main.log.report( "Add 4556 point intents and verify pingall (Spine Topology)" )
+        main.log.report( "_______________________________________" )
+        main.case( "Install 4556 point intents" )
+
+        main.step( "Add point Intents" )
+        intentIdList = main.CHOtestFunctions.installPointIntents()
+        main.intentIds = list(intentIdList)
+
+        main.step("Verify intents are installed")
+        intentState = main.CHOtestFunctions.checkIntents()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall()
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = ( intentState and pingResult )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 4556 point Intents and Ping All test PASS",
+            onfail="Install 4556 point Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE93( self ):
+        """
+        Install multi-single point intents and verify Ping all works
+        for att topology
+        """
+        import copy
+        import time
+        from collections import Counter
+        main.log.report( "Install multi-single point intents and verify Ping all" )
+        main.log.report( "___________________________________________" )
+        main.case( "Install multi-single point intents and Ping all" )
+        deviceDPIDsCopy = copy.copy(main.deviceDPIDs)
+        portIngressList = ['1']*(len(deviceDPIDsCopy) - 1)
+        intentIdList = []
+        main.log.info( "MACsDict" + str(main.MACsDict) )
+        time1 = time.time()
+        for i in xrange(0,len(deviceDPIDsCopy),int(main.numCtrls)):
+            pool = []
+            for cli in main.CLIs:
+                egressDevice = deviceDPIDsCopy[i]
+                ingressDeviceList = copy.copy(deviceDPIDsCopy)
+                ingressDeviceList.remove(egressDevice)
+                if i >= len( deviceDPIDsCopy ):
+                    break
+                t = main.Thread( target=cli.addMultipointToSinglepointIntent,
+                        threadID=main.threadID,
+                        name="addMultipointToSinglepointIntent",
+                        args =[ingressDeviceList,egressDevice,portIngressList,'1','','',main.MACsDict.get(egressDevice)])
+                pool.append(t)
+                t.start()
+                i = i + 1
+                main.threadID = main.threadID + 1
+            for thread in pool:
+                thread.join()
+                intentIdList.append(thread.result)
+        time2 = time.time()
+        main.log.info("Time for adding point intents: %2f seconds" %(time2-time1))
+
+        main.step("Verify intents are installed")
+        # Giving onos multiple chances to install intents
+        for i in range( main.intentCheck ):
+            if i != 0:
+                main.log.warn( "Verification failed. Retrying..." )
+            main.log.info("Waiting for onos to install intents...")
+            time.sleep( main.checkIntentsDelay )
+
+            intentState = main.TRUE
+            for e in range(int(main.numCtrls)):
+                main.log.info( "Checking intents on CLI %s" % (e+1) )
+                IntentStateIndividual = main.CLIs[e].checkIntentState( intentsId=intentIdList )
+                if not IntentStateIndividual:
+                    main.log.warn( "Not all intents installed on ONOS%s" % (e+1) )
+                intentState = intentState and IntentStateIndividual
+            if intentState:
+                break
+        if not intentState:
+            #Dumping intent summary
+            main.log.info( "**** Intent Summary ****\n" + str(main.ONOScli1.intents( jsonFormat=False, summary=True)) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step("Verify flows are all added")
+
+        for i in range( main.flowCheck ):
+            if i != 0:
+                main.log.warn( "verification failed. Retrying..." )
+            main.log.info( "Waiting for onos to add flows..." )
+            time.sleep( main.checkFlowsDelay )
+
+            flowState = main.TRUE
+            for cli in main.CLIs:
+                flowState = cli.checkFlowState()
+                if not flowState:
+                    main.log.warn( "Not all flows added" )
+            if flowState:
+                break
+        else:
+            #Dumping summary
+            main.log.info( "Summary:\n" + str( main.ONOScli1.summary(jsonFormat=False) ) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=flowState,
+                                 onpass="FLOWS INSTALLED",
+                                 onfail="SOME FLOWS NOT ADDED" )
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else: break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        caseResult = ( checkFlowsState and pingResult and intentState )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 25 multi to single point Intents and Ping All test PASS",
+            onfail="Install 25 multi to single point Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not checkFlowsState:
+            main.log.debug( "Flows failed to add completely" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE94( self ):
+        """
+        Install multi-single point intents and verify Ping all works
+        for Chordal topology
+        """
+        import copy
+        import time
+        main.log.report( "Install multi-single point intents and verify Ping all" )
+        main.log.report( "___________________________________________" )
+        main.case( "Install multi-single point intents and Ping all" )
+        deviceDPIDsCopy = copy.copy(main.deviceDPIDs)
+        portIngressList = ['1']*(len(deviceDPIDsCopy) - 1)
+        intentIdList = []
+        main.log.info( "MACsDict" + str(main.MACsDict) )
+        time1 = time.time()
+        for i in xrange(0,len(deviceDPIDsCopy),int(main.numCtrls)):
+            pool = []
+            for cli in main.CLIs:
+                egressDevice = deviceDPIDsCopy[i]
+                ingressDeviceList = copy.copy(deviceDPIDsCopy)
+                ingressDeviceList.remove(egressDevice)
+                if i >= len( deviceDPIDsCopy ):
+                    break
+                t = main.Thread( target=cli.addMultipointToSinglepointIntent,
+                        threadID=main.threadID,
+                        name="addMultipointToSinglepointIntent",
+                        args =[ingressDeviceList,egressDevice,portIngressList,'1','','',main.MACsDict.get(egressDevice)])
+                pool.append(t)
+                t.start()
+                i = i + 1
+                main.threadID = main.threadID + 1
+            for thread in pool:
+                thread.join()
+                intentIdList.append(thread.result)
+        time2 = time.time()
+        main.log.info("Time for adding point intents: %2f seconds" %(time2-time1))
+
+        main.step("Verify intents are installed")
+        # Giving onos multiple chances to install intents
+        for i in range( main.intentCheck ):
+            if i != 0:
+                main.log.warn( "Verification failed. Retrying..." )
+            main.log.info("Waiting for onos to install intents...")
+            time.sleep( main.checkIntentsDelay )
+
+            intentState = main.TRUE
+            for e in range(int(main.numCtrls)):
+                main.log.info( "Checking intents on CLI %s" % (e+1) )
+                IntentStateIndividual = main.CLIs[e].checkIntentState( intentsId=intentIdList )
+                if not IntentStateIndividual:
+                    main.log.warn( "Not all intents installed on ONOS%s" % (e+1) )
+                intentState = intentState and IntentStateIndividual
+            if intentState:
+                break
+        if not intentState:
+            #Dumping intent summary
+            main.log.info( "**** Intent Summary ****\n" + str(main.ONOScli1.intents( jsonFormat=False, summary=True)) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step("Verify flows are all added")
+
+        for i in range( main.flowCheck ):
+            if i != 0:
+                main.log.warn( "verification failed. Retrying..." )
+            main.log.info( "Waiting for onos to add flows..." )
+            time.sleep( main.checkFlowsDelay )
+
+            flowState = main.TRUE
+            for cli in main.CLIs:
+                flowState = cli.checkFlowState()
+                if not flowState:
+                    main.log.warn( "Not all flows added" )
+            if flowState:
+                break
+        else:
+            #Dumping summary
+            main.log.info( "Summary:\n" + str( main.ONOScli1.summary(jsonFormat=False) ) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=flowState,
+                                 onpass="FLOWS INSTALLED",
+                                 onfail="SOME FLOWS NOT ADDED" )
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else: break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        caseResult = ( checkFlowsState and pingResult and intentState )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 25 multi to single point Intents and Ping All test PASS",
+            onfail="Install 25 multi to single point Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not checkFlowsState:
+            main.log.debug( "Flows failed to add completely" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE95( self ):
+        """
+        Install multi-single point intents and verify Ping all works
+        for Spine topology
+        """
+        import copy
+        import time
+        main.log.report( "Install multi-single point intents and verify Ping all" )
+        main.log.report( "___________________________________________" )
+        main.case( "Install multi-single point intents and Ping all" )
+        deviceDPIDsCopy = copy.copy(main.deviceDPIDs)
+        portIngressList = ['1']*(len(deviceDPIDsCopy) - 1)
+        intentIdList = []
+        main.log.info( "MACsDict" + str(main.MACsDict) )
+        time1 = time.time()
+        for i in xrange(0,len(deviceDPIDsCopy),int(main.numCtrls)):
+            pool = []
+            for cli in main.CLIs:
+                egressDevice = deviceDPIDsCopy[i]
+                ingressDeviceList = copy.copy(deviceDPIDsCopy)
+                ingressDeviceList.remove(egressDevice)
+                if i >= len( deviceDPIDsCopy ):
+                    break
+                t = main.Thread( target=cli.addMultipointToSinglepointIntent,
+                        threadID=main.threadID,
+                        name="addMultipointToSinglepointIntent",
+                        args =[ingressDeviceList,egressDevice,portIngressList,'1','','',main.MACsDict.get(egressDevice)])
+                pool.append(t)
+                t.start()
+                i = i + 1
+                main.threadID = main.threadID + 1
+            for thread in pool:
+                thread.join()
+                intentIdList.append(thread.result)
+        time2 = time.time()
+        main.log.info("Time for adding point intents: %2f seconds" %(time2-time1))
+
+        main.step("Verify intents are installed")
+        # Giving onos multiple chances to install intents
+        for i in range( main.intentCheck ):
+            if i != 0:
+                main.log.warn( "Verification failed. Retrying..." )
+            main.log.info("Waiting for onos to install intents...")
+            time.sleep( main.checkIntentsDelay )
+
+            intentState = main.TRUE
+            for e in range(int(main.numCtrls)):
+                main.log.info( "Checking intents on CLI %s" % (e+1) )
+                IntentStateIndividual = main.CLIs[e].checkIntentState( intentsId=intentIdList )
+                if not IntentStateIndividual:
+                    main.log.warn( "Not all intents installed on ONOS%s" % (e+1) )
+                intentState = intentState and IntentStateIndividual
+            if intentState:
+                break
+        if not intentState:
+            #Dumping intent summary
+            main.log.info( "**** Intent Summary ****\n" + str(main.ONOScli1.intents( jsonFormat=False, summary=True)) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step("Verify flows are all added")
+
+        for i in range( main.flowCheck ):
+            if i != 0:
+                main.log.warn( "verification failed. Retrying..." )
+            main.log.info( "Waiting for onos to add flows..." )
+            time.sleep( main.checkFlowsDelay )
+
+            flowState = main.TRUE
+            for cli in main.CLIs:
+                flowState = cli.checkFlowState()
+                if not flowState:
+                    main.log.warn( "Not all flows added" )
+            if flowState:
+                break
+        else:
+            #Dumping summary
+            main.log.info( "Summary:\n" + str( main.ONOScli1.summary(jsonFormat=False) ) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=flowState,
+                                 onpass="FLOWS INSTALLED",
+                                 onfail="SOME FLOWS NOT ADDED" )
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else: break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        caseResult = ( checkFlowsState and pingResult and intentState )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 25 multi to single point Intents and Ping All test PASS",
+            onfail="Install 25 multi to single point Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not checkFlowsState:
+            main.log.debug( "Flows failed to add completely" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE96( self ):
+        """
+        Install single-multi point intents and verify Ping all works
+        for att topology
+        """
+        import copy
+        main.log.report( "Install single-multi point intents and verify Ping all" )
+        main.log.report( "___________________________________________" )
+        main.case( "Install single-multi point intents and Ping all" )
+        deviceDPIDsCopy = copy.copy(main.deviceDPIDs)
+        portEgressList = ['1']*(len(deviceDPIDsCopy) - 1)
+        intentIdList = []
+        main.log.info( "MACsDict" + str(main.MACsDict) )
+        time1 = time.time()
+        for i in xrange(0,len(deviceDPIDsCopy),int(main.numCtrls)):
+            pool = []
+            for cli in main.CLIs:
+                ingressDevice = deviceDPIDsCopy[i]
+                egressDeviceList = copy.copy(deviceDPIDsCopy)
+                egressDeviceList.remove(ingressDevice)
+                if i >= len( deviceDPIDsCopy ):
+                    break
+                t = main.Thread( target=cli.addSinglepointToMultipointIntent,
+                        threadID=main.threadID,
+                        name="addSinglepointToMultipointIntent",
+                        args =[ingressDevice,egressDeviceList,'1',portEgressList,'',main.MACsDict.get(ingressDevice)])
+                pool.append(t)
+                t.start()
+                i = i + 1
+                main.threadID = main.threadID + 1
+            for thread in pool:
+                thread.join()
+                intentIdList.append(thread.result)
+        time2 = time.time()
+        main.log.info("Time for adding point intents: %2f seconds" %(time2-time1))
+
+        main.step("Verify intents are installed")
+        # Giving onos multiple chances to install intents
+        for i in range( main.intentCheck ):
+            if i != 0:
+                main.log.warn( "Verification failed. Retrying..." )
+            main.log.info("Waiting for onos to install intents...")
+            time.sleep( main.checkIntentsDelay )
+
+            intentState = main.TRUE
+            for e in range(int(main.numCtrls)):
+                main.log.info( "Checking intents on CLI %s" % (e+1) )
+                IntentStateIndividual = main.CLIs[e].checkIntentState( intentsId=intentIdList )
+                if not IntentStateIndividual:
+                    main.log.warn( "Not all intents installed on ONOS%s" % (e+1) )
+                intentState = intentState and IntentStateIndividual
+            if intentState:
+                break
+        if not intentState:
+            #Dumping intent summary
+            main.log.info( "**** Intent Summary ****\n" + str(main.ONOScli1.intents( jsonFormat=False, summary=True)) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step("Verify flows are all added")
+
+        for i in range( main.flowCheck ):
+            if i != 0:
+                main.log.warn( "verification failed. Retrying..." )
+            main.log.info( "Waiting for onos to add flows..." )
+            time.sleep( main.checkFlowsDelay )
+
+            flowState = main.TRUE
+            for cli in main.CLIs:
+                flowState = cli.checkFlowState()
+                if not flowState:
+                    main.log.warn( "Not all flows added" )
+            if flowState:
+                break
+        else:
+            #Dumping summary
+            main.log.info( "Summary:\n" + str( main.ONOScli1.summary(jsonFormat=False) ) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=flowState,
+                                 onpass="FLOWS INSTALLED",
+                                 onfail="SOME FLOWS NOT ADDED" )
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else: break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        caseResult = ( pingResult and intentState and flowState)
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 25 single to multi point Intents and Ping All test PASS",
+            onfail="Install 25 single to multi point Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not checkFlowsState:
+            main.log.debug( "Flows failed to add completely" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE97( self ):
+        """
+        Install single-multi point intents and verify Ping all works
+        for Chordal topology
+        """
+        import copy
+        main.log.report( "Install single-multi point intents and verify Ping all" )
+        main.log.report( "___________________________________________" )
+        main.case( "Install single-multi point intents and Ping all" )
+        deviceDPIDsCopy = copy.copy(main.deviceDPIDs)
+        portEgressList = ['1']*(len(deviceDPIDsCopy) - 1)
+        intentIdList = []
+        main.log.info( "MACsDict" + str(main.MACsDict) )
+        time1 = time.time()
+        for i in xrange(0,len(deviceDPIDsCopy),int(main.numCtrls)):
+            pool = []
+            for cli in main.CLIs:
+                ingressDevice = deviceDPIDsCopy[i]
+                egressDeviceList = copy.copy(deviceDPIDsCopy)
+                egressDeviceList.remove(ingressDevice)
+                if i >= len( deviceDPIDsCopy ):
+                    break
+                t = main.Thread( target=cli.addSinglepointToMultipointIntent,
+                        threadID=main.threadID,
+                        name="addSinglepointToMultipointIntent",
+                        args =[ingressDevice,egressDeviceList,'1',portEgressList,'',main.MACsDict.get(ingressDevice),''])
+                pool.append(t)
+                t.start()
+                i = i + 1
+                main.threadID = main.threadID + 1
+            for thread in pool:
+                thread.join()
+                intentIdList.append(thread.result)
+        time2 = time.time()
+        main.log.info("Time for adding point intents: %2f seconds" %(time2-time1))
+
+        main.step("Verify intents are installed")
+        # Giving onos multiple chances to install intents
+        for i in range( main.intentCheck ):
+            if i != 0:
+                main.log.warn( "Verification failed. Retrying..." )
+            main.log.info("Waiting for onos to install intents...")
+            time.sleep( main.checkIntentsDelay )
+
+            intentState = main.TRUE
+            for e in range(int(main.numCtrls)):
+                main.log.info( "Checking intents on CLI %s" % (e+1) )
+                IntentStateIndividual = main.CLIs[e].checkIntentState( intentsId=intentIdList )
+                if not IntentStateIndividual:
+                    main.log.warn( "Not all intents installed on ONOS%s" % (e+1) )
+                intentState = intentState and IntentStateIndividual
+            if intentState:
+                break
+        if not intentState:
+            #Dumping intent summary
+            main.log.info( "**** Intent Summary ****\n" + str(main.ONOScli1.intents( jsonFormat=False, summary=True)) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step("Verify flows are all added")
+
+        for i in range( main.flowCheck ):
+            if i != 0:
+                main.log.warn( "verification failed. Retrying..." )
+            main.log.info( "Waiting for onos to add flows..." )
+            time.sleep( main.checkFlowsDelay )
+
+            flowState = main.TRUE
+            for cli in main.CLIs:
+                flowState = cli.checkFlowState()
+                if not flowState:
+                    main.log.warn( "Not all flows added" )
+            if flowState:
+                break
+        else:
+            #Dumping summary
+            main.log.info( "Summary:\n" + str( main.ONOScli1.summary(jsonFormat=False) ) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=flowState,
+                                 onpass="FLOWS INSTALLED",
+                                 onfail="SOME FLOWS NOT ADDED" )
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else: break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        caseResult = ( pingResult and intentState and flowState)
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 25 single to multi point Intents and Ping All test PASS",
+            onfail="Install 25 single to multi point Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not checkFlowsState:
+            main.log.debug( "Flows failed to add completely" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE98( self ):
+        """
+        Install single-multi point intents and verify Ping all works
+        for Spine topology
+        """
+        import copy
+        main.log.report( "Install single-multi point intents and verify Ping all" )
+        main.log.report( "___________________________________________" )
+        main.case( "Install single-multi point intents and Ping all" )
+        deviceDPIDsCopy = copy.copy( main.deviceDPIDs )
+        deviceDPIDsCopy = deviceDPIDsCopy[ 10: ]
+        portEgressList = [ '1' ]*(len(deviceDPIDsCopy) - 1)
+        intentIdList = []
+        MACsDictCopy = {}
+        for i in range( len( deviceDPIDsCopy ) ):
+            MACsDictCopy[ deviceDPIDsCopy[ i ] ] = main.hostMACs[i].split( '/' )[ 0 ]
+
+        main.log.info( "deviceDPIDsCopy" + str(deviceDPIDsCopy) )
+        main.log.info( "MACsDictCopy" +  str(MACsDictCopy) )
+        time1 = time.time()
+        for i in xrange(0,len(deviceDPIDsCopy),int(main.numCtrls)):
+            pool = []
+            for cli in main.CLIs:
+                if i >= len( deviceDPIDsCopy ):
+                    break
+                ingressDevice = deviceDPIDsCopy[i]
+                egressDeviceList = copy.copy(deviceDPIDsCopy)
+                egressDeviceList.remove(ingressDevice)
+                t = main.Thread( target=cli.addSinglepointToMultipointIntent,
+                        threadID=main.threadID,
+                        name="addSinglepointToMultipointIntent",
+                        args =[ingressDevice,egressDeviceList,'1',portEgressList,'',MACsDictCopy.get(ingressDevice),''])
+                pool.append(t)
+                t.start()
+                i = i + 1
+                main.threadID = main.threadID + 1
+            for thread in pool:
+                thread.join()
+                intentIdList.append(thread.result)
+        time2 = time.time()
+        main.log.info("Time for adding point intents: %2f seconds" %(time2-time1))
+
+        main.step("Verify intents are installed")
+        # Giving onos multiple chances to install intents
+        for i in range( main.intentCheck ):
+            if i != 0:
+                main.log.warn( "Verification failed. Retrying..." )
+            main.log.info("Waiting for onos to install intents...")
+            time.sleep( main.checkIntentsDelay )
+
+            intentState = main.TRUE
+            for e in range(int(main.numCtrls)):
+                main.log.info( "Checking intents on CLI %s" % (e+1) )
+                IntentStateIndividual = main.CLIs[e].checkIntentState( intentsId=intentIdList )
+                if not IntentStateIndividual:
+                    main.log.warn( "Not all intents installed on ONOS%s" % (e+1) )
+                intentState = intentState and IntentStateIndividual
+            if intentState:
+                break
+        if not intentState:
+            #Dumping intent summary
+            main.log.info( "**** Intent Summary ****\n" + str(main.ONOScli1.intents( jsonFormat=False, summary=True)) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=intentState,
+                                 onpass="INTENTS INSTALLED",
+                                 onfail="SOME INTENTS NOT INSTALLED" )
+
+        main.step("Verify flows are all added")
+
+        for i in range( main.flowCheck ):
+            if i != 0:
+                main.log.warn( "verification failed. Retrying..." )
+            main.log.info( "Waiting for onos to add flows..." )
+            time.sleep( main.checkFlowsDelay )
+
+            flowState = main.TRUE
+            for cli in main.CLIs:
+                flowState = cli.checkFlowState()
+                if not flowState:
+                    main.log.warn( "Not all flows added" )
+            if flowState:
+                break
+        else:
+            #Dumping summary
+            main.log.info( "Summary:\n" + str( main.ONOScli1.summary(jsonFormat=False) ) )
+
+        utilities.assert_equals( expect=main.TRUE, actual=flowState,
+                                 onpass="FLOWS INSTALLED",
+                                 onfail="SOME FLOWS NOT ADDED" )
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else: break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        caseResult = ( pingResult and intentState and flowState)
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="Install 25 single to multi point Intents and Ping All test PASS",
+            onfail="Install 25 single to multi point Intents and Ping All test FAIL" )
+
+        if not intentState:
+            main.log.debug( "Intents failed to install completely" )
+        if not pingResult:
+            main.log.debug( "Pingall failed" )
+        if not checkFlowsState:
+            main.log.debug( "Flows failed to add completely" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE190( self ):
+        """
+        Verify IPv6 ping across 600 Point intents (Att Topology)
+        """
+        main.log.report( "Verify IPv6 ping across 600 Point intents (Att Topology)" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all 600 Point intents" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 600 Point intents test PASS",
+            onfail="IPv6 Ping across 600 Point intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE191( self ):
+        """
+        Verify IPv6 ping across 600 Point intents (Chordal Topology)
+        """
+        main.log.report( "Verify IPv6 ping across 600 Point intents (Chordal Topology)" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all 600 Point intents" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 600 Point intents test PASS",
+            onfail="IPv6 Ping across 600 Point intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE192( self ):
+        """
+        Verify IPv6 ping across 4556 Point intents (Spine Topology)
+        """
+        main.log.report( "Verify IPv6 ping across 4556 Point intents (Spine Topology)" )
+        main.log.report( "_________________________________________________" )
+        main.case( "IPv6 ping all 4556 Point intents" )
+
+        main.step( "Verify IPv6 Ping across all hosts" )
+        pingResult = main.CHOtestFunctions.checkPingall( protocol="IPv6" )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=pingResult,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=caseResult,
+            onpass="IPv6 Ping across 4556 Point intents test PASS",
+            onfail="IPv6 Ping across 4556 Point intents test FAIL" )
+
+        if not caseResult and main.failSwitch:
+            main.log.report("Stopping test")
+            main.stop( email=main.emailOnStop )
+
+    def CASE10( self ):
+        import time
+        import re
+        """
+         Remove all Intents
+        """
+        main.log.report( "Remove all intents that were installed previously" )
+        main.log.report( "______________________________________________" )
+        main.log.info( "Remove all intents" )
+        main.case( "Removing intents" )
+        purgeDelay = int( main.params[ "timers" ][ "IntentPurgeDelay" ] )
+        main.step( "Obtain the intent id's first" )
+        intentsList = main.ONOScli1.getAllIntentIds()
+        ansi_escape = re.compile( r'\x1b[^m]*m' )
+        intentsList = ansi_escape.sub( '', intentsList )
+        intentsList = intentsList.replace(
+            " onos:intents | grep id=",
+            "" ).replace(
+            "id=",
+            "" ).replace(
+            "\r\r",
+             "" )
+        intentsList = intentsList.splitlines()
+        intentIdList = []
+        step1Result = main.TRUE
+        moreIntents = main.TRUE
+        removeIntentCount = 0
+        intentsCount = len(intentsList)
+        main.log.info ( "Current number of intents:  " + str(intentsCount) )
+
+        main.step( "Remove all installed intents" )
+        if ( len( intentsList ) > 1 ):
+            results = main.TRUE
+            main.log.info("Removing intent...")
+            while moreIntents:
+            # This is a work around only: cycle through intents removal for up to 5 times.
+                if removeIntentCount == 5:
+                    break
+                removeIntentCount = removeIntentCount + 1
+                intentsList1 = main.ONOScli1.getAllIntentIds()
+                if len( intentsList1 ) == 0:
+                    break
+                ansi_escape = re.compile( r'\x1b[^m]*m' )
+                intentsList1 = ansi_escape.sub( '', intentsList1 )
+                intentsList1 = intentsList1.replace(
+                    " onos:intents | grep id=",
+                    "" ).replace(
+                    " state=",
+                    "" ).replace(
+                    "\r\r",
+                    "" )
+                intentsList1 = intentsList1.splitlines()
+                main.log.info ( "Round %d intents to remove: " %(removeIntentCount) )
+                print intentsList1
+                intentIdList1 = []
+                if ( len( intentsList1 ) > 0 ):
+                    moreIntents = main.TRUE
+                    for i in range( len( intentsList1 ) ):
+                        intentsTemp1 = intentsList1[ i ].split( ',' )
+                        intentIdList1.append( intentsTemp1[ 0 ].split('=')[1] )
+                    main.log.info ( "Leftover Intent IDs: " + str(intentIdList1) )
+                    main.log.info ( "Length of Leftover Intents list: " + str(len(intentIdList1)) )
+                    time1 = time.time()
+                    for i in xrange( 0, len( intentIdList1 ), int(main.numCtrls) ):
+                        pool = []
+                        for cli in main.CLIs:
+                            if i >= len( intentIdList1 ):
+                                break
+                            t = main.Thread( target=cli.removeIntent,
+                                    threadID=main.threadID,
+                                    name="removeIntent",
+                                    args=[intentIdList1[i],'org.onosproject.cli',False,False])
+                            pool.append(t)
+                            t.start()
+                            i = i + 1
+                            main.threadID = main.threadID + 1
+                        for thread in pool:
+                            thread.join()
+                            intentIdList.append(thread.result)
+                        #time.sleep(2)
+                    time2 = time.time()
+                    main.log.info("Time for removing host intents: %2f seconds" %(time2-time1))
+                    time.sleep( purgeDelay )
+                    main.log.info("Purging WITHDRAWN Intents")
+                    purgeResult  = main.ONOScli1.purgeWithdrawnIntents()
+                else:
+                    time.sleep(10)
+                    if len( main.ONOScli1.intents()):
+                        continue
+                    break
+                time.sleep( purgeDelay )
+            else:
+                print "Removed %d intents" %(intentsCount)
+                step1Result = main.TRUE
+        else:
+            print "No Intent IDs found in Intents list: ", intentsList
+            step1Result = main.FALSE
+
+        print main.ONOScli1.intents()
+
+        main.log.info( main.ONOScli1.summary( jsonFormat=False ) )
+        caseResult = step1Result
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Intent removal test successful",
+                                 onfail="Intent removal test failed" )
+
+    def CASE12( self, main ):
+        """
+        Enable onos-app-ifwd, Verify Intent based Reactive forwarding through ping all and Disable it
+        """
+        import re
+        import copy
+        import time
+
+        threadID = 0
+
+        main.log.report( "Enable Intent based Reactive forwarding and Verify ping all" )
+        main.log.report( "_____________________________________________________" )
+        main.case( "Enable Intent based Reactive forwarding and Verify ping all" )
+        main.step( "Enable intent based Reactive forwarding" )
+        installResult = main.FALSE
+        feature = "onos-app-ifwd"
+
+        pool = []
+        time1 = time.time()
+        for cli,feature in main.CLIs:
+            t = main.Thread(target=cli,threadID=threadID,
+                    name="featureInstall",args=[feature])
+            pool.append(t)
+            t.start()
+            threadID = threadID + 1
+
+        results = []
+        for thread in pool:
+            thread.join()
+            results.append(thread.result)
+        time2 = time.time()
+
+        if( all(result == main.TRUE for result in results) == False):
+                main.log.info("Did not install onos-app-ifwd feature properly")
+                #main.cleanup()
+                #main.exit()
+        else:
+            main.log.info("Successful feature:install onos-app-ifwd")
+            installResult = main.TRUE
+        main.log.info("Time for feature:install onos-app-ifwd: %2f seconds" %(time2-time1))
+
+        main.step( "Verify Ping across all hosts" )
+        for i in range(main.numPings):
+            time1 = time.time()
+            pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+            if not pingResult:
+                main.log.warn("First pingall failed. Retrying...")
+                time.sleep(main.pingSleep)
+            else: break
+
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        if pingResult == main.TRUE:
+            main.log.report( "Pingall Test in Reactive mode successful" )
+        else:
+            main.log.report( "Pingall Test in Reactive mode failed" )
+
+        main.step( "Disable Intent based Reactive forwarding" )
+        uninstallResult = main.FALSE
+
+        pool = []
+        time1 = time.time()
+        for cli,feature in main.CLIs:
+            t = main.Thread(target=cli,threadID=threadID,
+                    name="featureUninstall",args=[feature])
+            pool.append(t)
+            t.start()
+            threadID = threadID + 1
+
+        results = []
+        for thread in pool:
+            thread.join()
+            results.append(thread.result)
+        time2 = time.time()
+
+        if( all(result == main.TRUE for result in results) == False):
+                main.log.info("Did not uninstall onos-app-ifwd feature properly")
+                uninstallResult = main.FALSE
+                #main.cleanup()
+                #main.exit()
+        else:
+            main.log.info("Successful feature:uninstall onos-app-ifwd")
+            uninstallResult = main.TRUE
+        main.log.info("Time for feature:uninstall onos-app-ifwd: %2f seconds" %(time2-time1))
+
+        # Waiting for reative flows to be cleared.
+        time.sleep( 10 )
+
+        caseResult = installResult and pingResult and uninstallResult
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult,
+                                 onpass="Intent based Reactive forwarding Pingall test PASS",
+                                 onfail="Intent based Reactive forwarding Pingall test FAIL" )