Add a use case of flapping a route 20 times very quickly and check if ping works to the route as CASE 8
Add a use case of flapping a next-hop 20 times very quickly and check if the route changes and ping works as CASE 9
diff --git a/TestON/tests/PeeringRouterTest/PeeringRouterTest.py b/TestON/tests/PeeringRouterTest/PeeringRouterTest.py
index a58ca24..9de5845 100755
--- a/TestON/tests/PeeringRouterTest/PeeringRouterTest.py
+++ b/TestON/tests/PeeringRouterTest/PeeringRouterTest.py
@@ -643,6 +643,502 @@
 
         time.sleep(10)
 
+        main.ONOScli.logout()
+        main.log.info("ONOS cli logout")
+        time.sleep(20);
+        main.ONOSbench.onosStop(ONOS1Ip);
+        main.log.info("onos stop")
+        time.sleep(20);
+        main.Mininet.stopNet()
+        main.log.info("mininet stop")
+        time.sleep(20)
+
+    # Route flap test (Add a route and detele it very fast 20 times) in VLAN configuration
+    def CASE8( self, main ):
+        import time
+        import json
+        from operator import eq
+        # from datetime import datetime
+        from time import localtime, strftime
+
+        main.case("The test case is to help to setup the TestON environment \
+            and test new drivers" )
+        TESTCASE_ROOT_PATH = main.params[ 'ENV' ][ 'home' ]
+        TESTCASE_MININET_ROOT_PATH = TESTCASE_ROOT_PATH + "/vlan/mininet"
+        SDNIPJSONFILEPATH = TESTCASE_ROOT_PATH + "/vlan/sdnip.json"
+        main.log.info("sdnip.json file path: "+ SDNIPJSONFILEPATH)
+
+        # Copy the json files to config dir
+        main.ONOSbench.handle.sendline("cp " + TESTCASE_ROOT_PATH + "/vlan/addresses.json ~/onos/tools/package/config/")
+        main.ONOSbench.handle.sendline("cp " + TESTCASE_ROOT_PATH + "/vlan/sdnip.json ~/onos/tools/package/config/")
+
+        # Launch mininet topology for this case
+        MININET_TOPO_FILE = TESTCASE_MININET_ROOT_PATH + "/PeeringRouterMininetVlan.py"
+        main.step( "Launch mininet" )
+        main.Mininet.handle.sendline("sudo python " + MININET_TOPO_FILE + " " + TESTCASE_MININET_ROOT_PATH)
+        main.step("waiting 20 secs for all switches and quagga instances to comeup")
+        time.sleep(20)
+        main.step( "Test whether Mininet is started" )
+        main.log.info( "Login Quagga CLI on host3" )
+        main.QuaggaCliHost3.loginQuagga( "1.168.30.2" )
+        # all expected routes for all BGP peers
+        allRoutesExpected = []
+        main.step( "Start to generate routes for all BGP peers" )
+
+        main.log.info( "Generate prefixes for host3" )
+        prefixesHost3 = main.QuaggaCliHost3.generatePrefixes( 3, 1 )
+        main.log.info( prefixesHost3 )
+        # generate route with next hop
+        for prefix in prefixesHost3:
+            allRoutesExpected.append( prefix + "/" + "192.168.20.1" )
+        routeIntentsExpectedHost3 = \
+            main.QuaggaCliHost3.generateExpectedOnePeerRouteIntents(
+            prefixesHost3, "192.168.20.1", "00:00:00:00:02:02",
+            SDNIPJSONFILEPATH )
+
+        main.log.info( "Generate prefixes for host5" )
+        prefixesHost5 = main.QuaggaCliHost5.generatePrefixes( 5, 1 )
+        main.log.info( prefixesHost5 )
+        for prefix in prefixesHost5:
+            allRoutesExpected.append( prefix + "/" + "192.168.60.2" )
+        routeIntentsExpectedHost5 = \
+            main.QuaggaCliHost5.generateExpectedOnePeerRouteIntents(
+            prefixesHost5, "192.168.60.1", "00:00:00:00:06:02",
+            SDNIPJSONFILEPATH )
+  
+        routeIntentsExpected = routeIntentsExpectedHost3 + \
+            routeIntentsExpectedHost5
+
+        cellName = main.params[ 'ENV' ][ 'cellName' ]
+        ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ]
+        main.step( "Set cell for ONOS-cli environment" )
+        main.ONOScli.setCell( cellName )
+        verifyResult = main.ONOSbench.verifyCell()
+
+        main.log.report( "Removing raft logs" )
+        main.ONOSbench.onosRemoveRaftLogs()
+        main.log.report( "Uninstalling ONOS" )
+        main.ONOSbench.onosUninstall( ONOS1Ip )
+
+        main.step( "Installing ONOS package" )
+        onos1InstallResult = main.ONOSbench.onosInstall(
+            options="-f", node=ONOS1Ip )
+
+        onos1Isup = main.ONOSbench.isup( ONOS1Ip )
+        if not onos1Isup:
+            main.log.report( "ONOS1 didn't start!" )
+
+        main.step( "Start ONOS-cli" )
+
+        main.ONOScli.startOnosCli( ONOS1Ip )
+        main.step( "Get devices in the network" )
+        listResult = main.ONOScli.devices( jsonFormat=False )
+        main.log.info( listResult )
+        time.sleep( 10 )
+        main.log.info( "Installing bgprouter feature" )
+        main.ONOScli.featureInstall( "onos-app-bgprouter" )
+        time.sleep( 10 )
+        main.step( "Login all BGP peers and add routes into peers" )
+
+        main.log.info( "Login Quagga CLI on host5" )
+        main.QuaggaCliHost5.loginQuagga( "1.168.30.5" )
+        main.log.info( "Enter configuration model of Quagga CLI on host5" )
+        main.QuaggaCliHost5.enterConfig( 64521 )
+        main.log.info( "Add routes to Quagga on host5" )
+        main.QuaggaCliHost5.addRoutes( prefixesHost5, 1 )
+
+        main.log.info( "Login Quagga CLI on host3" )
+        main.QuaggaCliHost3.loginQuagga( "1.168.30.2" )
+        main.log.info( "Enter configuration model of Quagga CLI on host3" )
+        main.QuaggaCliHost3.enterConfig( 64514 )
+        main.log.info( "Add and delete a route to Quagga on host3 20 times" )
+        for i in range(0, 20):
+            main.QuaggaCliHost3.addRoutes( prefixesHost3, 1 )
+            main.log.info("Add a route %s times", i)
+            main.QuaggaCliHost3.deleteRoutes( prefixesHost3, 1 )
+            main.log.info("Delete the route")
+            time.sleep(0.1)   
+        
+        main.QuaggaCliHost3.addRoutes( prefixesHost3, 1 )
+        main.log.info("Add the route finally and wait for 10 sec")
+
+        for j in range(0, 30):
+            r = main.Mininet.pingHost(SRC="as6host", TARGET="3.0.0.1")
+
+        utilities.assert_equals(expect=main.TRUE,actual=r,
+                                  onpass="Default connectivity check PASS",
+                                  onfail="Default connectivity check FAIL")
+
+        #time.sleep(20)
+
+        # get routes inside SDN-IP
+        getRoutesResult = main.ONOScli.routes( jsonFormat=True )
+
+        # parse routes from ONOS CLI
+        allRoutesActual = \
+           main.QuaggaCliHost3.extractActualRoutes( getRoutesResult )
+
+        allRoutesStrExpected = str( sorted( allRoutesExpected ) )
+        allRoutesStrActual = str( allRoutesActual ).replace( 'u', "" )
+
+        # get routes inside SDN-IP
+        getRoutesResult = main.ONOScli.routes( jsonFormat=True )
+
+        # parse routes from ONOS CLI
+        allRoutesActual = \
+           main.QuaggaCliHost3.extractActualRoutes( getRoutesResult )
+
+        allRoutesStrExpected = str( sorted( allRoutesExpected ) )
+        allRoutesStrActual = str( allRoutesActual ).replace( 'u', "" )
+        main.step( "Check routes installed" )
+        main.log.info( "Routes expected:" )
+        main.log.info( allRoutesStrExpected )
+        main.log.info( "Routes get from ONOS CLI:" )
+        main.log.info( allRoutesStrActual )
+        utilities.assertEquals(
+            expect=allRoutesStrExpected, actual=allRoutesStrActual,
+            onpass="***Routes in SDN-IP are correct!***",
+            onfail="***Routes in SDN-IP are wrong!***" )
+        if( eq( allRoutesStrExpected, allRoutesStrActual ) ):
+            main.log.report(
+                "***Routes in SDN-IP after adding routes are correct!***" )
+        else:
+            main.log.report(
+                "***Routes in SDN-IP after adding routes are wrong!***" )
+ 
+        main.log.info( "Login Quagga CLI on host3" )
+        main.QuaggaCliHost3.loginQuagga( "1.168.30.2" )
+        main.log.info( "Enter configuration model of Quagga CLI on host3" )
+        main.QuaggaCliHost3.enterConfig( 64514 )
+        main.log.info( "Add and delete a route to Quagga on host3 20 times" )
+        for i in range(0, 20):
+            main.QuaggaCliHost3.addRoutes( prefixesHost3, 1 )
+            main.log.info("Add a route %s times", i)
+            main.QuaggaCliHost3.deleteRoutes( prefixesHost3, 1 )
+            main.log.info("Delete the route")
+            time.sleep(0.1)
+        
+        main.QuaggaCliHost5.deleteRoutes( prefixesHost5, 1 )
+
+        # get routes inside SDN-IP
+        getRoutesResult = main.ONOScli.routes( jsonFormat=True )
+
+        # parse routes from ONOS CLI
+        allRoutesActual = \
+           main.QuaggaCliHost3.extractActualRoutes( getRoutesResult )
+
+        allRoutesStrActual = str( allRoutesActual ).replace( 'u', "" )
+
+        # get routes inside SDN-IP
+        getRoutesResult = main.ONOScli.routes( jsonFormat=True )
+
+        # parse routes from ONOS CLI
+        allRoutesActual = \
+           main.QuaggaCliHost3.extractActualRoutes( getRoutesResult )
+
+        allRoutesStrExpected = []
+        allRoutesStrActual = str( allRoutesActual ).replace( 'u', "" )
+        main.step( "Check routes installed" )
+        main.log.info( "Routes expected:" )
+        main.log.info( allRoutesStrExpected )
+        main.log.info( "Routes get from ONOS CLI:" )
+        main.log.info( allRoutesStrActual )
+        utilities.assertEquals(
+            expect=allRoutesStrExpected, actual=allRoutesStrActual,
+            onpass="***Routes in SDN-IP are correct!***",
+            onfail="***Routes in SDN-IP are wrong!***" )
+
+        for j in range(0, 5):
+            r = main.Mininet.pingHost(SRC="as6host", TARGET="3.0.0.1")
+
+        utilities.assert_equals(expect=main.FALSE,actual=r,
+                                  onpass="disconnectivity check PASS",
+                                  onfail="disconnectivity check FAIL")
+
+        main.ONOScli.logout()
+        main.log.info("ONOS cli logout")
+        time.sleep(20);
+        main.ONOSbench.onosStop(ONOS1Ip);
+        main.log.info("onos stop")
+        time.sleep(20);
+        main.Mininet.stopNet()
+        main.log.info("mininet stop")
+        time.sleep(20)
+
+    # Route flap test (change the next-hop very fast 20 times) in VLAN configuration
+    def CASE9( self, main):
+        import time
+        import json
+        from operator import eq
+        # from datetime import datetime
+        from time import localtime, strftime
+
+        main.case("The test case is to help to setup the TestON environment \
+            and test new drivers" )
+        TESTCASE_ROOT_PATH = main.params[ 'ENV' ][ 'home' ]
+        TESTCASE_MININET_ROOT_PATH = TESTCASE_ROOT_PATH + "/vlan/routeconvergence/mininet"
+        SDNIPJSONFILEPATH = TESTCASE_ROOT_PATH + "/vlan/sdnip.json"
+        main.log.info("sdnip.json file path: "+ SDNIPJSONFILEPATH)
+
+        # Copy the json files to config dir
+        main.ONOSbench.handle.sendline("cp " + TESTCASE_ROOT_PATH + "/vlan/addresses.json ~/onos/tools/package/config/")
+        main.ONOSbench.handle.sendline("cp " + TESTCASE_ROOT_PATH + "/vlan/sdnip.json ~/onos/tools/package/config/")
+
+        # Launch mininet topology for this case        
+        MININET_TOPO_FILE = TESTCASE_MININET_ROOT_PATH + "/PeeringRouterConvergenceVlanMininet.py"
+        main.step( "Launch mininet" )
+        main.Mininet.handle.sendline("sudo python " + MININET_TOPO_FILE + " " + TESTCASE_MININET_ROOT_PATH)
+        main.step("waiting 20 secs for all switches and quagga instances to comeup")
+        time.sleep(20)
+        main.step( "Test whether Mininet is started" )
+        main.log.info( "Login Quagga CLI on host3" )
+        result = main.QuaggaCliHost3.loginQuagga( "1.168.30.2" )
+        #if result is not main.TRUE:
+        #     main.log.report("Mininet is not started...Aborting")
+        #     main.Mininet.stopNet()
+        #     main.cleanup()
+        #     main.exit()
+        # all expected routes for all BGP peers
+        allRoutesExpected = []
+        main.step( "Start to generate routes for all BGP peers" )
+        main.log.info( "Generate prefixes for host3" )
+
+        prefixesHost3 = main.QuaggaCliHost3.generatePrefixes( 3, 10 )
+        main.log.info( prefixesHost3 )
+        # generate route with next hop
+        for prefix in prefixesHost3:
+            allRoutesExpected.append( prefix + "/" + "192.168.20.1" )
+        routeIntentsExpectedHost3 = \
+            main.QuaggaCliHost3.generateExpectedOnePeerRouteIntents(
+            prefixesHost3, "192.168.20.1", "00:00:00:00:02:02",
+            SDNIPJSONFILEPATH )
+
+        main.log.info( "Generate prefixes for host4" )
+        prefixesHost4 = main.QuaggaCliHost4.generatePrefixes( 4, 10 )
+        main.log.info( prefixesHost4 )
+        # generate route with next hop
+        for prefix in prefixesHost4:
+            allRoutesExpected.append( prefix + "/" + "192.168.30.1" )
+        routeIntentsExpectedHost4 = \
+            main.QuaggaCliHost4.generateExpectedOnePeerRouteIntents(
+            prefixesHost4, "192.168.30.1", "00:00:00:00:03:01",
+            SDNIPJSONFILEPATH )
+
+        main.log.info( "Generate prefixes for host5" )
+        prefixesHost5 = main.QuaggaCliHost5.generatePrefixes( 5, 10 )
+        main.log.info( prefixesHost5 )
+        for prefix in prefixesHost5:
+            allRoutesExpected.append( prefix + "/" + "192.168.60.2" )
+        routeIntentsExpectedHost5 = \
+            main.QuaggaCliHost5.generateExpectedOnePeerRouteIntents(
+            prefixesHost5, "192.168.60.1", "00:00:00:00:06:02",
+            SDNIPJSONFILEPATH )
+
+        routeIntentsExpected = routeIntentsExpectedHost3 + \
+            routeIntentsExpectedHost4 + routeIntentsExpectedHost5
+
+        cellName = main.params[ 'ENV' ][ 'cellName' ]
+        ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ]
+        main.step( "Set cell for ONOS-cli environment" )
+        main.ONOScli.setCell( cellName )
+        verifyResult = main.ONOSbench.verifyCell()
+        utilities.assert_equals(expect=main.TRUE,actual=verifyResult,onpass="Verify cell pass!",onfail="Verify cell failed...")
+
+        main.log.report( "Removing raft logs" )
+        main.ONOSbench.onosRemoveRaftLogs()
+        main.log.report( "Uninstalling ONOS" )
+        main.ONOSbench.onosUninstall( ONOS1Ip )
+
+        main.step( "Installing ONOS package" )
+        onos1InstallResult = main.ONOSbench.onosInstall(
+            options="-f", node=ONOS1Ip )
+        if onos1InstallResult is not main.TRUE:
+             main.log.report("ONOS is not installed...Aborting")
+             main.Mininet.stopNet()
+             main.cleanup()
+             main.exit()
+
+        onos1Isup = main.ONOSbench.isup( ONOS1Ip )
+        if onos1Isup is not main.TRUE:
+             main.log.report("ONOS1 didn't start!...Aborting" )
+             main.Mininet.stopNet()
+             main.ONOSbench.onosStop(ONOS1Ip);
+             main.cleanup()
+             main.exit()
+
+        main.step( "Start ONOS-cli" )
+
+        result = main.ONOScli.startOnosCli( ONOS1Ip )
+        utilities.assert_equals(expect=main.TRUE,actual=result,onpass="ONOS CLI is up!",onfail="ONOS CLI is not up...")
+        if result is not main.TRUE:
+             main.log.report("ONOS1 didn't start!...Aborting" )
+             main.Mininet.stopNet()
+             main.ONOScli.logout()
+             main.ONOSbench.onosStop(ONOS1Ip);
+             main.cleanup()
+             main.exit()
+
+
+        main.step( "Get devices in the network" )
+        listResult = main.ONOScli.devices( jsonFormat=False )
+        main.log.info( listResult )
+        time.sleep( 10 )
+        main.log.info( "Installing bgprouter feature" )
+        main.ONOScli.featureInstall( "onos-app-bgprouter" )
+        time.sleep( 10 )
+        main.step( "Login all BGP peers and add routes into peers" )
+
+        main.log.info( "Login Quagga CLI on host3" )
+        main.QuaggaCliHost3.loginQuagga( "1.168.30.2" )
+        main.log.info( "Enter configuration model of Quagga CLI on host3" )
+        main.QuaggaCliHost3.enterConfig( 64514 )
+        main.log.info( "Add routes to Quagga on host3" )
+        main.QuaggaCliHost3.addRoutes( prefixesHost3, 1 )
+
+        main.log.info( "Login Quagga CLI on host4" )
+        main.QuaggaCliHost4.loginQuagga( "1.168.30.3" )
+        main.log.info( "Enter configuration model of Quagga CLI on host4" )
+        main.QuaggaCliHost4.enterConfig( 64516 )
+        main.log.info( "Add routes to Quagga on host4" )
+        main.QuaggaCliHost4.addRoutes( prefixesHost4, 1 )
+
+        main.log.info( "Login Quagga CLI on host5" )
+        main.QuaggaCliHost5.loginQuagga( "1.168.30.5" )
+        main.log.info( "Enter configuration model of Quagga CLI on host5" )
+        main.QuaggaCliHost5.enterConfig( 64521 )
+        main.log.info( "Add routes to Quagga on host5" )
+        main.QuaggaCliHost5.addRoutes( prefixesHost5, 1 )
+
+        time.sleep( 30 )
+
+        # get routes inside SDN-IP
+        getRoutesResult = main.ONOScli.routes( jsonFormat=True )
+
+        # parse routes from ONOS CLI
+        allRoutesActual = \
+           main.QuaggaCliHost3.extractActualRoutes( getRoutesResult )
+
+        allRoutesStrExpected = str( sorted( allRoutesExpected ) )
+        allRoutesStrActual = str( allRoutesActual ).replace( 'u', "" )
+        main.step( "Check routes installed" )
+        main.log.info( "Routes expected:" )
+        main.log.info( allRoutesStrExpected )
+        main.log.info( "Routes get from ONOS CLI:" )
+        main.log.info( allRoutesStrActual )
+        utilities.assertEquals(
+            expect=allRoutesStrExpected, actual=allRoutesStrActual,
+            onpass="***Routes in SDN-IP are correct!***",
+            onfail="***Routes in SDN-IP are wrong!***" )
+        if( eq( allRoutesStrExpected, allRoutesStrActual ) ):
+            main.log.report(
+                "***Routes in SDN-IP after adding routes are correct!***" )
+        else:
+            main.log.report(
+                "***Routes in SDN-IP after adding routes are wrong!***" )
+
+        #============= Flap the BGP session between QuaggaCliHost4 and ONOS ==================
+        main.log.info( "Disabling bgp session and enable it 20 times very fast between QuaggaCliHost4 and 192.168.30.101:" )
+        for i in range(0, 20):
+            main.log.info("Disable it %s times", i)
+            main.QuaggaCliHost4.disable_bgp_peer( "192.168.30.101", "64513")
+            main.log.info("Enable it again")
+            main.QuaggaCliHost4.enable_bgp_peer( "192.168.30.101", "64513" )
+            time.sleep(0.1)
+        main.log.info("Disable it finally")
+        main.QuaggaCliHost4.disable_bgp_peer( "192.168.30.101", "64513")            
+
+        main.log.info( "Sleeping for 30 seconds for network to converge" )
+        time.sleep(30)
+        # get routes inside SDN-IP
+        main.log.info( "Getting Routes from ONOS CLI" )
+        getRoutesResult = main.ONOScli.routes( jsonFormat=True )
+
+        # parse routes from ONOS CLI
+        newAllRoutesActual = \
+            main.QuaggaCliHost3.extractActualRoutes( getRoutesResult )
+        newAllRoutesStrActual = str( newAllRoutesActual ).replace( 'u', "" )
+
+        # Expected routes with changed next hop
+        newAllRoutesExpected = []
+        for prefix in prefixesHost3:
+            newAllRoutesExpected.append( prefix + "/" + "192.168.20.1" )
+        for prefix in prefixesHost4:
+            newAllRoutesExpected.append( prefix + "/" + "192.168.60.2" )
+        for prefix in prefixesHost5:
+            newAllRoutesExpected.append( prefix + "/" + "192.168.60.2" )
+        newAllRoutesStrExpected = str( sorted( newAllRoutesExpected ) )
+        main.step( "Check routes installed after convergence-1" )
+        main.log.info( "Routes expected:" )
+        main.log.info( newAllRoutesStrExpected )
+        main.log.info( "Routes got from ONOS CLI after convergence-1:" )
+        main.log.info( newAllRoutesStrActual )
+        utilities.assertEquals(
+            expect=newAllRoutesStrExpected, actual=newAllRoutesStrActual,
+            onpass="***Routes in SDN-IP are correct after convergence!***",
+            onfail="***Routes in SDN-IP are wrong after convergence!***" )
+        if( eq( newAllRoutesStrExpected, newAllRoutesStrActual ) ):
+            main.log.report(
+                "***Routes in SDN-IP after convergence are correct!***" )
+        else:
+            main.log.report(
+                "***Routes in SDN-IP after convergence are wrong!***" )
+
+        #============= Flap the BGP session between QuaggaCliHost4 and ONOS ==================
+        main.log.info( "Disabling bgp session and enable it 20 times very fast between QuaggaCliHost4 and 192.168.30.101:" )
+        for i in range(0, 20):
+            main.log.info("Disable it %s times", i)
+            main.QuaggaCliHost4.disable_bgp_peer( "192.168.30.101", "64513")
+            main.log.info("Enable it again")
+            main.QuaggaCliHost4.enable_bgp_peer( "192.168.30.101", "64513" )
+            time.sleep(0.1)
+
+        main.log.info( "Sleeping for 30 seconds for network to converge" )
+        time.sleep(30)
+
+        # get routes inside SDN-IP
+        main.log.info( "Getting Routes from ONOS CLI" )
+        getRoutesResult = main.ONOScli.routes( jsonFormat=True )
+
+        # parse routes from ONOS CLI
+        newAllRoutesActual = \
+            main.QuaggaCliHost3.extractActualRoutes( getRoutesResult )
+        newAllRoutesStrActual = str( newAllRoutesActual ).replace( 'u', "" )
+
+        # Expected routes with changed next hop
+        newAllRoutesExpected = []
+        for prefix in prefixesHost3:
+            newAllRoutesExpected.append( prefix + "/" + "192.168.20.1" )
+        for prefix in prefixesHost4:
+            newAllRoutesExpected.append( prefix + "/" + "192.168.30.1" )
+        for prefix in prefixesHost5:
+            newAllRoutesExpected.append( prefix + "/" + "192.168.60.2" )
+        newAllRoutesStrExpected = str( sorted( newAllRoutesExpected ) )
+        main.step( "Check routes installed after convergence-2" )
+        main.log.info( "Routes expected:" )
+        main.log.info( newAllRoutesStrExpected )
+        main.log.info( "Routes got from ONOS CLI after convergence-2:" )
+        main.log.info( newAllRoutesStrActual )
+        utilities.assertEquals(
+            expect=newAllRoutesStrExpected, actual=newAllRoutesStrActual,
+            onpass="***Routes in SDN-IP are correct after convergence!***",
+            onfail="***Routes in SDN-IP are wrong after convergence!***" )
+        if( eq( newAllRoutesStrExpected, newAllRoutesStrActual ) ):
+            main.log.report(
+                "***Routes in SDN-IP after convergence are correct!***" )
+        else:
+            main.log.report(
+                "***Routes in SDN-IP after convergence are wrong!***" )
+
+        main.ONOScli.logout()
+        main.log.info("ONOS cli logout")
+        time.sleep(20);
+        main.ONOSbench.onosStop(ONOS1Ip);
+        main.log.info("onos stop")
+        time.sleep(20);
+        main.Mininet.stopNet()
+        main.log.info("mininet stop")
+        time.sleep(20)
+
     # Route convergence and connectivity test
     def CASE21( self, main):
         import time
diff --git a/TestON/tests/PeeringRouterTest/README.md b/TestON/tests/PeeringRouterTest/README.md
index ef4d752..002a0f1 100644
--- a/TestON/tests/PeeringRouterTest/README.md
+++ b/TestON/tests/PeeringRouterTest/README.md
@@ -6,10 +6,12 @@
 a) CASE4 - Basic Route advertisement and connectivity in untagged network
 b) CASE5 - Basic Route advertisement and connectivity in tagged network
 c) CASE7 - Scale test with 25k routes
-d) CASE21 - Route convergence due to bgp peering session flapping in untagged network
-e) CASE22 - Basic Route advertisement and connectivity in untagged network with Route server
-f) CASE31 - Route convergence due to bgp peering session flapping in tagged network
-g) CASE32 - Basic Route advertisement and connectivity in tagged network with Route server
+d) CASE8 - Flap a route 20 times with 100 msec interval
+e) CASE9 - Flap a next-hop 20 times with 100 msec interval
+f) CASE21 - Route convergence due to bgp peering session flapping in untagged network
+g) CASE22 - Basic Route advertisement and connectivity in untagged network with Route server
+h) CASE31 - Route convergence due to bgp peering session flapping in tagged network
+i) CASE32 - Basic Route advertisement and connectivity in tagged network with Route server
 
 3) Before running the testcases, ensure quagga is installed on the machine:
 a) "sudo apt-get install quagga"