diff --git a/TestON/core/teston.py b/TestON/core/teston.py
index 3210f9a..961e824 100644
--- a/TestON/core/teston.py
+++ b/TestON/core/teston.py
@@ -248,6 +248,7 @@
                 self.stepCount = self.stepCount + 1
                 self.log.exception(e)
                 self.cleanup()
+                self.exit()
             return main.TRUE
         
         if cli.stop:
@@ -290,18 +291,18 @@
 
 
         #utilities.send_mail()
-        try :
-            for component in self.componentDictionary.keys():
+        for component in self.componentDictionary.keys():
+            try :
                 tempObject  = vars(self)[component]
-                print "Disconnecting " + str(tempObject)
+                print "Disconnecting from " + str(tempObject.name) + ": " + \
+                      str(tempObject)
                 tempObject.disconnect()
             #tempObject.execute(cmd="exit",prompt="(.*)",timeout=120)
 
-        except(Exception):
-            self.log.exception( "Exception while disconnecting from " +
-                                 str( component ) )
-            #print " There is an error with closing hanldes"
-            result = self.FALSE
+            except (Exception):
+                self.log.exception( "Exception while disconnecting from " +
+                                     str( component ) )
+                result = self.FALSE
         # Closing all the driver's session files
         for driver in self.componentDictionary.keys():
            vars(self)[driver].close_log_handles()
diff --git a/TestON/drivers/common/cli/emulator/mininetclidriver.py b/TestON/drivers/common/cli/emulator/mininetclidriver.py
index 073e368..2d7c0a5 100644
--- a/TestON/drivers/common/cli/emulator/mininetclidriver.py
+++ b/TestON/drivers/common/cli/emulator/mininetclidriver.py
@@ -103,9 +103,9 @@
                 main.FALSE otherwise
         """
         if self.handle:
-            main.log.info(
-                self.name +
-                ": Clearing any residual state or processes" )
+            # make sure old networks are cleaned up
+            main.log.info( self.name +
+                           ": Clearing any residual state or processes" )
             self.handle.sendline( "sudo mn -c" )
             i = self.handle.expect( [ 'password\sfor\s',
                                       'Cleanup\scomplete',
@@ -113,6 +113,7 @@
                                       pexpect.TIMEOUT ],
                                     timeout )
             if i == 0:
+                # Sudo asking for password
                 main.log.info( self.name + ": Sending sudo password" )
                 self.handle.sendline( self.pwd )
                 i = self.handle.expect( [ '%s:' % self.user,
@@ -125,86 +126,75 @@
             elif i == 2:
                 main.log.error( self.name + ": Connection terminated" )
             elif i == 3:  # timeout
-                main.log.error(
-                    self.name +
-                    ": Something while cleaning MN took too long... " )
-            if topoFile == '' and args == '':
-                main.log.info( self.name + ": building fresh mininet" )
-                # for reactive/PARP enabled tests
-                cmdString = "sudo mn " + self.options[ 'arg1' ] +\
-                    " " + self.options[ 'arg2' ] +\
-                    " --mac --controller " +\
-                    self.options[ 'controller' ] + " " +\
-                    self.options[ 'arg3' ]
-
-                argList = self.options[ 'arg1' ].split( "," )
-                global topoArgList
-                topoArgList = argList[ 0 ].split( " " )
-                argList = map( int, argList[ 1: ] )
-                topoArgList = topoArgList[ 1: ] + argList
-
-                self.handle.sendline( cmdString )
-                self.handle.expect( [ "sudo mn",
-                                    pexpect.EOF,
-                                    pexpect.TIMEOUT ] )
-                while True:
-                    i = self.handle.expect( [ 'mininet>',
-                                              '\*\*\*',
-                                              'Exception',
-                                              pexpect.EOF,
-                                              pexpect.TIMEOUT ],
-                                            timeout )
-                    if i == 0:
-                        main.log.info( self.name + ": mininet built" )
-                        return main.TRUE
-                    if i == 1:
-                        self.handle.expect(
-                            [ "\n", pexpect.EOF, pexpect.TIMEOUT ] )
-                        main.log.info( self.handle.before )
-                    elif i == 2:
-                        main.log.error(
-                            self.name +
-                            ": Launching mininet failed..." )
-                        return main.FALSE
-                    elif i == 3:
-                        main.log.error( self.name + ": Connection timeout" )
-                        return main.FALSE
-                    elif i == 4:  # timeout
-                        main.log.error(
-                            self.name +
-                            ": Something took too long... " )
-                        return main.FALSE
-                return main.TRUE
-            else:
-                main.log.info( "Starting topo file " + topoFile )
+                main.log.error( self.name + ": Something while cleaning " +
+                                "Mininet took too long... " )
+            # Craft the string to start mininet
+            cmdString = "sudo "
+            if topoFile is None or topoFile == '':  # If no file is given
+                main.log.info( self.name + ": building fresh Mininet" )
+                cmdString += "mn "
+                if args is None or args == '':
+                    # If no args given, use args from .topo file
+                    args = self.options[ 'arg1' ] +\
+                                 " " + self.options[ 'arg2' ] +\
+                                 " --mac --controller " +\
+                                 self.options[ 'controller' ] + " " +\
+                                 self.options[ 'arg3' ]
+                else:  # else only use given args
+                    pass
+                    # TODO: allow use of topo args and method args?
+            else:  # Use given topology file
+                main.log.info( "Starting Mininet from topo file " + topoFile )
+                cmdString += topoFile + " "
                 if args is None:
                     args = ''
-                else:
-                    main.log.info( "args = " + args)
-                self.handle.sendline( 'sudo ' + topoFile + ' ' + args)
+                    # TODO: allow use of args from .topo file?
+            cmdString += args
+            # Send the command and check if network started
+            self.handle.sendline( "" )
+            self.handle.expect( '\$' )
+            main.log.info( "Sending '" + cmdString + "' to " + self.name )
+            self.handle.sendline( cmdString )
+            while True:
                 i = self.handle.expect( [ 'mininet>',
+                                          'Exception',
+                                          '\*\*\*',
                                           pexpect.EOF,
                                           pexpect.TIMEOUT ],
-                                        timeout)
+                                        timeout )
                 if i == 0:
-                    main.log.info(self.name + ": Network started")
+                    main.log.info( self.name + ": Mininet built" )
                     return main.TRUE
                 elif i == 1:
+                    response = str( self.handle.before +
+                                    self.handle.after )
+                    self.handle.expect( '\$' )
+                    response += str( self.handle.before +
+                                    self.handle.after )
+                    main.log.error(
+                        self.name +
+                        ": Launching Mininet failed: " + response )
+                    return main.FALSE
+                elif i == 2:
+                    self.handle.expect( [ "\n",
+                                          pexpect.EOF,
+                                          pexpect.TIMEOUT ],
+                                        timeout )
+                    main.log.info( self.handle.before )
+                elif i == 3:
                     main.log.error( self.name + ": Connection timeout" )
                     return main.FALSE
-                elif i == 2:  # timeout
+                elif i == 4:  # timeout
                     main.log.error(
                         self.name +
                         ": Something took too long... " )
                     return main.FALSE
-                return main.TRUE
+            # Why did we hit this part?
+            main.log.error( "startNet did not return correctly" )
+            return main.FASLE
         else:  # if no handle
-            main.log.error(
-                self.name +
-                ": Connection failed to the host " +
-                self.user_name +
-                "@" +
-                self.ip_address )
+            main.log.error( self.name + ": Connection failed to the host " +
+                            self.user_name + "@" + self.ip_address )
             main.log.error( self.name + ": Failed to connect to the Mininet" )
             return main.FALSE
 
@@ -245,54 +235,106 @@
         return topoDict
 
     def calculateSwAndLinks( self ):
-        topoDict = self.numSwitchesN_links( *topoArgList )
+        """
+            Calculate the number of switches and links in a topo."""
+        # TODO: combine this function and numSwitchesNlinks
+        argList = self.options[ 'arg1' ].split( "," )
+        topoArgList = argList[ 0 ].split( " " )
+        argList = map( int, argList[ 1: ] )
+        topoArgList = topoArgList[ 1: ] + argList
+
+        topoDict = self.numSwitchesNlinks( *topoArgList )
         return topoDict
 
-    def pingall( self, timeout=300 ):
+    def pingall( self, timeout=300, shortCircuit=False, acceptableFailed=0):
         """
            Verifies the reachability of the hosts using pingall command.
            Optional parameter timeout allows you to specify how long to
            wait for pingall to complete
+           Optional:
+           timeout(seconds) - This is the pexpect timeout; The function will
+                              timeout if the amount of time between failed
+                              pings exceedes this time and pingall is still
+                              running
+           shortCircuit - Break the pingall based on the number of failed hosts
+                          ping
+           acceptableFailed - Set the number of acceptable failed pings for the
+                              function to still return main.TRUE
            Returns:
            main.TRUE if pingall completes with no pings dropped
            otherwise main.FALSE"""
-        if self.handle:
-            main.log.info(
-                self.name +
-                ": Checking reachabilty to the hosts using pingall" )
-            try:
-                response = self.execute(
-                    cmd="pingall",
-                    prompt="mininet>",
-                    timeout=int( timeout ) )
-            except pexpect.EOF:
-                main.log.error( self.name + ": EOF exception found" )
-                main.log.error( self.name + ":     " + self.handle.before )
+        try:
+            if self.handle:
+                main.log.info(
+                    self.name +
+                    ": Checking reachabilty to the hosts using pingall" )
+                response = ""
+                failedPings = 0
+                returnValue = main.TRUE
+                self.handle.sendline( "pingall" )
+                while True:
+                    i = self.handle.expect( [ "mininet>","X",
+                                              pexpect.EOF,
+                                              pexpect.TIMEOUT ],
+                                              timeout )
+                    if i == 0:
+                        main.log.info( self.name + ": pingall finished")
+                        response += self.handle.before
+                        break
+                    elif i == 1:
+                        response += self.handle.before + self.handle.after
+                        failedPings = failedPings + 1
+                        if failedPings > acceptableFailed:
+                            returnValue = main.FALSE
+                            if shortCircuit:
+                                main.log.error( self.name +
+                                                ": Aborting pingall - "
+                                                + str( failedPings ) +
+                                                " pings failed" )
+                                break
+                    elif i == 2:
+                        main.log.error( self.name +
+                                        ": EOF exception found" )
+                        main.log.error( self.name + ":     " +
+                                        self.handle.before )
+                        main.cleanup()
+                        main.exit()
+                    elif i == 3:
+                        response += self.handle.before
+                        main.log.error( self.name +
+                                        ": TIMEOUT exception found" )
+                        main.log.error( self.name +
+                                        ":     " +
+                                        str( response ) )
+                        # NOTE: Send ctrl-c to make sure pingall is done
+                        self.handle.sendline( "\x03" )
+                        self.handle.expect( "Interrupt" )
+                        self.handle.expect( "mininet>" )
+                        break
+                pattern = "Results\:"
+                main.log.info( "Pingall output: " + str( response ) )
+                if re.search( pattern, response ):
+                    main.log.info( self.name + ": Pingall finished with "
+                                   + str( failedPings ) + " failed pings" )
+                    return returnValue
+                else:
+                    # NOTE: Send ctrl-c to make sure pingall is done
+                    self.handle.sendline( "\x03" )
+                    self.handle.expect( "Interrupt" )
+                    self.handle.expect( "mininet>" )
+                    return main.FALSE
+            else:
+                main.log.error( self.name + ": Connection failed to the host" )
                 main.cleanup()
                 main.exit()
-            except pexpect.TIMEOUT:
-                # We may not want to kill the test if pexpect times out
-                main.log.error( self.name + ": TIMEOUT exception found" )
-                main.log.error( self.name +
-                                ":     " +
-                                str( self.handle.before ) )
-            # NOTE: mininet's pingall rounds, so we will check the number of
-            # passed and number of failed
-            pattern = "Results\:\s0\%\sdropped\s\(" +\
-                      "(?P<passed>[\d]+)/(?P=passed)"
-            if re.search( pattern, response ):
-                main.log.info( self.name + ": All hosts are reachable" )
-                return main.TRUE
-            else:
-                main.log.error( self.name + ": Unable to reach all the hosts" )
+        except pexpect.TIMEOUT:
+            if response:
                 main.log.info( "Pingall output: " + str( response ) )
-                # NOTE: Send ctrl-c to make sure pingall is done
-                self.handle.send( "\x03" )
-                self.handle.expect( "Interrupt" )
-                self.handle.expect( "mininet>" )
-                return main.FALSE
-        else:
-            main.log.error( self.name + ": Connection failed to the host" )
+            main.log.error( self.name + ": pexpect.TIMEOUT found" )
+            return main.FALSE
+        except pexpect.EOF:
+            main.log.error( self.name + ": EOF exception found" )
+            main.log.error( self.name + ":     " + self.handle.before )
             main.cleanup()
             main.exit()
 
diff --git a/TestON/drivers/common/cli/onosclidriver.py b/TestON/drivers/common/cli/onosclidriver.py
index ab37367..d815e4c 100644
--- a/TestON/drivers/common/cli/onosclidriver.py
+++ b/TestON/drivers/common/cli/onosclidriver.py
@@ -100,7 +100,7 @@
             main.log.error( self.name + ": EOF exception found" )
             main.log.error( self.name + ":     " + self.handle.before )
         except ValueError:
-            main.log.exception( "Exception in discconect of " + self.name )
+            main.log.exception( "Exception in disconnect of " + self.name )
             response = main.TRUE
         except Exception:
             main.log.exception( self.name + ": Connection failed to the host" )
@@ -321,7 +321,7 @@
                 print response
                 try:
                     print self.handle.after
-                except:
+                except TypeError:
                     pass
             # TODO: do something with i
             main.log.info( "Command '" + str( cmdStr ) + "' sent to "
@@ -1291,7 +1291,9 @@
                         cmd += " " + \
                             str( ingressDevice ) + "/" +\
                             str( portIngress ) + " "
-
+                else:
+                    main.log.error( "Device list and port list does not have the same length" )
+                    return main.FALSE
             if "/" in egressDevice:
                 cmd += " " + str( egressDevice )
             else:
@@ -1312,10 +1314,162 @@
                                 "intent" )
                 return None
             else:
-                # TODO: print out all the options in this message?
-                main.log.info( "Multipoint-to-singlepoint intent installed" +
-                               " failed " )
+                match = re.search('id=0x([\da-f]+),', handle)
+                if match:
+                    return match.group()[3:-1]
+                else:
+                    main.log.error( "Error, intent ID not found" )
+                    return None
+        except TypeError:
+            main.log.exception( self.name + ": Object not as expected" )
+            return None
+        except pexpect.EOF:
+            main.log.error( self.name + ": EOF exception found" )
+            main.log.error( self.name + ":    " + self.handle.before )
+            main.cleanup()
+            main.exit()
+        except Exception:
+            main.log.exception( self.name + ": Uncaught exception!" )
+            main.cleanup()
+            main.exit()
+
+    def addSinglepointToMultipointIntent(
+            self,
+            ingressDevice,
+            egressDeviceList,
+            portIngress="",
+            portEgressList=None,
+            ethType="",
+            ethSrc="",
+            ethDst="",
+            bandwidth="",
+            lambdaAlloc=False,
+            ipProto="",
+            ipSrc="",
+            ipDst="",
+            tcpSrc="",
+            tcpDst="",
+            setEthSrc="",
+            setEthDst="" ):
+        """
+        Note:
+            This function assumes the format of all egress devices
+            is same. That is, all egress devices include port numbers
+            with a "/" or all egress devices could specify device
+            ids and port numbers seperately.
+        Required:
+            * EgressDeviceList: List of device ids of egress device
+                ( Atleast 2 eress devices required in the list )
+            * ingressDevice: device id of ingress device
+        Optional:
+            * ethType: specify ethType
+            * ethSrc: specify ethSrc ( i.e. src mac addr )
+            * ethDst: specify ethDst ( i.e. dst mac addr )
+            * bandwidth: specify bandwidth capacity of link
+            * lambdaAlloc: if True, intent will allocate lambda
+              for the specified intent
+            * ipProto: specify ip protocol
+            * ipSrc: specify ip source address
+            * ipDst: specify ip destination address
+            * tcpSrc: specify tcp source port
+            * tcpDst: specify tcp destination port
+            * setEthSrc: action to Rewrite Source MAC Address
+            * setEthDst: action to Rewrite Destination MAC Address
+        Description:
+            Adds a singlepoint-to-multipoint intent ( uni-directional ) by
+            specifying device id's and optional fields
+        Returns:
+            A string of the intent id or None on error
+
+        NOTE: This function may change depending on the
+              options developers provide for singlepoint-to-multipoint
+              intent via cli
+        """
+        try:
+            # If there are no optional arguments
+            if not ethType and not ethSrc and not ethDst\
+                    and not bandwidth and not lambdaAlloc\
+                    and not ipProto and not ipSrc and not ipDst\
+                    and not tcpSrc and not tcpDst and not setEthSrc\
+                    and not setEthDst:
+                cmd = "add-single-to-multi-intent"
+
+            else:
+                cmd = "add-single-to-multi-intent"
+
+                if ethType:
+                    cmd += " --ethType " + str( ethType )
+                if ethSrc:
+                    cmd += " --ethSrc " + str( ethSrc )
+                if ethDst:
+                    cmd += " --ethDst " + str( ethDst )
+                if bandwidth:
+                    cmd += " --bandwidth " + str( bandwidth )
+                if lambdaAlloc:
+                    cmd += " --lambda "
+                if ipProto:
+                    cmd += " --ipProto " + str( ipProto )
+                if ipSrc:
+                    cmd += " --ipSrc " + str( ipSrc )
+                if ipDst:
+                    cmd += " --ipDst " + str( ipDst )
+                if tcpSrc:
+                    cmd += " --tcpSrc " + str( tcpSrc )
+                if tcpDst:
+                    cmd += " --tcpDst " + str( tcpDst )
+                if setEthSrc:
+                    cmd += " --setEthSrc " + str( setEthSrc )
+                if setEthDst:
+                    cmd += " --setEthDst " + str( setEthDst )
+
+            # Check whether the user appended the port
+            # or provided it as an input
+            
+            if "/" in ingressDevice:
+                cmd += " " + str( ingressDevice )
+            else:
+                if not portIngress:
+                    main.log.error( "You must specify " +
+                                    "the Ingress port" )
+                    return main.FALSE
+
+                cmd += " " +\
+                    str( ingressDevice ) + "/" +\
+                    str( portIngress )
+
+            if portEgressList is None:
+                for egressDevice in egressDeviceList:
+                    if "/" in egressDevice:
+                        cmd += " " + str( egressDevice )
+                    else:
+                        main.log.error( "You must specify " +
+                                        "the egress port" )
+                        # TODO: perhaps more meaningful return
+                        return main.FALSE
+            else:
+                if len( egressDeviceList ) == len( portEgressList ):
+                    for egressDevice, portEgress in zip( egressDeviceList, portEgressList ):
+                        cmd += " " + \
+                            str( egressDevice ) + "/" +\
+                            str( portEgress )
+                else:
+                    main.log.error( "Device list and port list does not have the same length" )
+                    return main.FALSE
+
+            print "cmd= ", cmd
+            handle = self.sendline( cmd )
+            # If error, return error message
+            if re.search( "Error", handle ):
+                main.log.error( "Error in adding singlepoint-to-multipoint " +
+                                "intent" )
                 return None
+            else:
+                match = re.search('id=0x([\da-f]+),', handle)
+                if match:
+                    return match.group()[3:-1]
+                else:
+                    main.log.error( "Error, intent ID not found" )
+                    return None
         except TypeError:
             main.log.exception( self.name + ": Object not as expected" )
             return None
@@ -2235,7 +2389,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2263,7 +2417,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2302,7 +2456,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2343,7 +2497,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2385,7 +2539,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2451,7 +2605,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2505,7 +2659,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2557,7 +2711,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2620,7 +2774,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2655,7 +2809,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -2729,7 +2883,7 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
diff --git a/TestON/drivers/common/cli/onosdriver.py b/TestON/drivers/common/cli/onosdriver.py
index 27c2d92..ee3999a 100644
--- a/TestON/drivers/common/cli/onosdriver.py
+++ b/TestON/drivers/common/cli/onosdriver.py
@@ -90,7 +90,7 @@
             main.log.error( self.name + ": EOF exception found" )
             main.log.error( self.name + ":     " + self.handle.before )
         except ValueError:
-            main.log.exception( "Exception in discconect of " + self.name )
+            main.log.exception( "Exception in disconnect of " + self.name )
             response = main.TRUE
         except Exception:
             main.log.exception( self.name + ": Connection failed to the host" )
@@ -1819,7 +1819,7 @@
         except TypeError:
             main.log.exception( self.name + ": Object not as expected" )
             return None
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -1853,8 +1853,7 @@
         
         except AssertionError:
             main.log.error("Incorrect Config settings: " + verification)
-
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()
             main.exit()
@@ -1888,12 +1887,10 @@
             main.log.error( self.name + ":    " + self.handle.before )
             main.cleanup()
             main.exit()
-        
         except AssertionError:
             main.log.info("Settings did not post to ONOS")
             main.log.error(varification)            
-
-        except:
+        except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.log.error(varification)
             main.cleanup()
diff --git a/TestON/drivers/common/cli/quaggaclidriver.py b/TestON/drivers/common/cli/quaggaclidriver.py
index bcd83f6..1c63206 100644
--- a/TestON/drivers/common/cli/quaggaclidriver.py
+++ b/TestON/drivers/common/cli/quaggaclidriver.py
@@ -606,7 +606,7 @@
             self.handle.sendline( "" )
             # self.handle.expect( "config-router" )
             self.handle.expect( "config-router", timeout=5 )
-        except:
+        except Exception:
             main.log.warn( "Probably not in config-router mode!" )
             self.disconnect()
         main.log.info( "Start to disable peer" )
@@ -615,7 +615,7 @@
         try:
             self.handle.sendline( cmd )
             self.handle.expect( "bgpd", timeout=5 )
-        except:
+        except Exception:
             main.log.warn( "Failed to disable peer" )
             self.disconnect()
 
@@ -626,7 +626,7 @@
             self.handle.sendline( "" )
             # self.handle.expect( "config-router" )
             self.handle.expect( "config-router", timeout=5 )
-        except:
+        except Exception:
             main.log.warn( "Probably not in config-router mode!" )
             self.disconnect()
         main.log.info( "Start to disable peer" )
@@ -635,7 +635,7 @@
         try:
             self.handle.sendline( cmd )
             self.handle.expect( "bgpd", timeout=5 )
-        except:
+        except Exception:
             main.log.warn( "Failed to enable peer" )
             self.disconnect()
 
diff --git a/TestON/tests/OnosCHO/OnosCHO.params b/TestON/tests/OnosCHO/OnosCHO.params
index 9066177..a91e17c 100644
--- a/TestON/tests/OnosCHO/OnosCHO.params
+++ b/TestON/tests/OnosCHO/OnosCHO.params
@@ -1,5 +1,5 @@
 <PARAMS>
-    #CHO sequence : 1,2,3,[4,5,6,5,70,80,5,10,5,9,5,71,81,5,10,5]*100
+    # 1,20,3,[40,5,60,70,80,10,90,71,81,10,93,10]*50,22,3,[41,5,61,72,82,10,91,73,83,10,94,10]*50,22,3,[42,5,62,10,92,10]*50
     # 1. ONOS brinup Test case
     # 2. Assign and Balance all Mininet switches across controllers
     # 3. Collect reference toplogy for topo compare
@@ -10,10 +10,8 @@
     # 8. Bring core links Up that were down and verify pingall
     # 9. Install 300 point intents and verify ping all
     # 10. Remove all intents on ONOS
-    # 1,2,3,[4,5,6,5,70,80,5,10,5,9,5,71,81,5,10,5]*100
-    # 1,2,3,4,5,6,10,12,3,4,5,6,10,13,3,4,5,6,10 [2,3,4,5,6,70,80,10,9,10]*25
 
-    <testcases>1,2,[3,4,5,6,70,80,10,9,71,81,10]*25,12,[3,41,5,72,82,14,10]*25,13,[3,42,5,73,83,15,10]*25</testcases>
+    <testcases>1,20,3,[40,5,60,70,80,10,90,71,81,10,93,10]*50,22,3,[41,5,61,72,82,10,91,73,83,10,94,10]*50,22,3,[42,5,62,10,92,10]*50</testcases>
     <ENV>
         <cellName>choTest5</cellName>
     </ENV>
@@ -23,7 +21,7 @@
         <branch>master</branch>
     </GIT>-t
     <TOPO1>
-	<topo>~/mininet/custom/topoAtt.py</topo>t
+	<topo>~/mininet/custom/topoAtt.py</topo>
 	<numSwitches>25</numSwitches>
 	<numHosts>25</numHosts>
 	<numLinks>114</numLinks>
@@ -45,22 +43,22 @@
     </TOPO3>
     <CTRL>
 	<numCtrl>5</numCtrl>
-        <ip1>10.128.40.41</ip1>
+        <ip1>10.128.10.21</ip1>
 	<port1>6633</port1>
-	<ip2>10.128.40.42</ip2>
+	<ip2>10.128.10.22</ip2>
 	<port2>6633</port2>
-	<ip3>10.128.40.43</ip3>
+	<ip3>10.128.10.23</ip3>
 	<port3>6633</port3>
-        <ip4>10.128.40.44</ip4>
+        <ip4>10.128.10.24</ip4>
 	<port4>6633</port4>
-	<ip5>10.128.40.45</ip5>
+	<ip5>10.128.10.25</ip5>
 	<port5>6633</port5>
     </CTRL>
     <HOSTS>
 	<startMAC>00:00:00:00:00:01</startMAC>
 	<endMAC>00:00:00:00:00:19</endMAC>
     </HOSTS>
-    <CORELINKS>
+    <ATTCORELINKS>
         <toggleLinks>3</toggleLinks>
 	
 	<linkS3a>s3</linkS3a>
@@ -74,11 +72,20 @@
 	<linkS18a>s18</linkS18a>
 	<linkS18b>s14,s16,s17,s19,s20,s21,s22,s23</linkS18b>
 	#######s3,s14,s16,s17,s19,s20,s21,s22,s23########
-    </CORELINKS>
+    </ATTCORELINKS>
+    
+    <SPINECORELINKS>
+        <linkS9>s9</linkS9>
+        <linkS9top>s1,s3,s5,s7</linkS9top>
+        <linkS9bot>s11,s12</linkS9bot>
+        <linkS10>s10</linkS10>
+        <linkS10top>s2,s4,s6,s8</linkS10top>
+        <linkS10bot>s13,s14</linkS10bot>
+    </SPINECORELINKS>
 
     <timers>
-        <LinkDiscovery>5</LinkDiscovery>
-        <SwitchDiscovery>31</SwitchDiscovery>
+        <LinkDiscovery>1</LinkDiscovery>
+        <SwitchDiscovery>1</SwitchDiscovery>
     </timers>
 
 </PARAMS>
diff --git a/TestON/tests/OnosCHO/OnosCHO.py b/TestON/tests/OnosCHO/OnosCHO.py
index 7c09872..cd70c80 100644
--- a/TestON/tests/OnosCHO/OnosCHO.py
+++ b/TestON/tests/OnosCHO/OnosCHO.py
@@ -1,4 +1,4 @@
-import time
+
 import sys
 import os
 import re
@@ -141,7 +141,7 @@
             t = main.Thread( target=main.CLIs[i].startOnosCli,
                              threadID=main.threadID,
                              name="startOnosCli",
-                             args=[ main.nodes[i].ip_address ] )
+                             args=[ main.nodes[i].ip_address, karafTimeout ] )
             pool.append(t)
             t.start()
             main.threadID = main.threadID + 1
@@ -163,9 +163,8 @@
         utilities.assert_equals( expect=main.TRUE, actual=case1Result,
                                  onpass="Set up test environment PASS",
                                  onfail="Set up test environment FAIL" )
-        time.sleep(30)
 
-    def CASE2( self, main ):
+    def CASE20( self, main ):
         """
         This test script Loads a new Topology (Att) on CHO setup and balances all switches
         """
@@ -221,7 +220,98 @@
             main.log.report( "Controller assignment successfull" )
         else:
             main.log.report( "Controller assignment failed" )
+        
+        """topoFailed = main.FALSE
+        checkCount = 0
+        while(topoFailed  == main.FALSE):
+            topology_output = main.ONOScli1.topology()
+            topology_result = main.ONOSbench.getTopology( topology_output )
+            numOnosDevices = topology_result[ 'deviceCount' ]
+            numOnosLinks = topology_result[ 'linkCount' ]
+            if ( ( main.numMNswitches == int(numOnosDevices) ) and ( main.numMNlinks >= int(numOnosLinks) ) ):
+                main.log.info("Att topology is now ready!")
+                break
+            else:
+                main.log.info("Att topology is not ready yet!")
+            checkCount = checkCount + 1
+            time.sleep(2)
+            if checkCount == 10:
+                topoFailed = main.TRUE
+        if topoFailed:
+            main.log.info("Att topology failed to start correctly")
+        """
+        time.sleep(15)
+        #Don't balance master for now..
+        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 )
+        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.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 = 120
+        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( "Stop any previous Mininet network topology" )
+        stopStatus = main.Mininet1.stopNet(fileName = "topoChordal" )
+        #time.sleep(10)
+        main.step( "Start Mininet with Chordal topology" )
+        startStatus = main.Mininet1.startNet(topoFile = main.newTopo)
+        time.sleep(15)
+        main.step( "Assign switches to controllers" )
+        for i in range( 1, ( main.numMNswitches + 1 ) ):  # 1 to ( num of switches +1 )
+            main.Mininet1.assignSwController(
+                sw=str( i ),
+                count=int( main.numCtrls ),
+                ip1=main.ONOS1_ip,
+                port1=main.ONOS1_port,
+                ip2=main.ONOS2_ip,
+                port2=main.ONOS2_port,
+                ip3=main.ONOS3_ip,
+                port3=main.ONOS3_port,
+                ip4=main.ONOS4_ip,
+                port4=main.ONOS4_port,
+                ip5=main.ONOS5_ip,
+                port5=main.ONOS5_port )
+
+        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.ONOS1_ip, 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 )
+        
         #Don't balance master for now..
         """
         main.step( "Balance devices across controllers" )
@@ -230,13 +320,91 @@
             # giving some breathing time for ONOS to complete re-balance
             time.sleep( 3 )
         """
-        case2Result = ( switch_mastership and startStatus )
-        time.sleep(45)
+        case21Result = switch_mastership
+        time.sleep(30)
         utilities.assert_equals(
             expect=main.TRUE,
-            actual=case2Result,
-            onpass="Starting new Att topology test PASS",
-            onfail="Starting new Att topology test FAIL" )
+            actual=case21Result,
+            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.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 = 400
+        
+        main.log.report(
+            "Load Spine and Leaf topology and Balance all Mininet switches across controllers" )
+        main.log.report(
+            "________________________________________________________________________" )
+        # need to wait here for sometime until ONOS bootup
+        main.case(
+            "Assign and Balance all Mininet switches across controllers" )
+        main.step( "Stop any previous Mininet network topology" )
+        stopStatus = main.Mininet1.stopNet(fileName = "topoSpine" )
+        main.step( "Start Mininet with Spine topology" )
+        startStatus = main.Mininet1.startNet(topoFile = main.newTopo)
+        time.sleep(20)
+        main.step( "Assign switches to controllers" )
+        for i in range( 1, ( main.numMNswitches + 1 ) ):  # 1 to ( num of switches +1 )
+            main.Mininet1.assignSwController(
+                sw=str( i ),
+                count= 1,
+                ip1=main.ONOS1_ip,
+                port1=main.ONOS1_port,
+                ip2=main.ONOS2_ip,
+                port2=main.ONOS2_port,
+                ip3=main.ONOS3_ip,
+                port3=main.ONOS3_port,
+                ip4=main.ONOS4_ip,
+                port4=main.ONOS4_port,
+                ip5=main.ONOS5_ip,
+                port5=main.ONOS5_port )
+
+        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.ONOS1_ip, 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 )
+
+        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 )
+        """
+        case22Result = switch_mastership
+        time.sleep(30)
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case22Result,
+            onpass="Starting new Spine topology test PASS",
+            onfail="Starting new Spine topology test FAIL" )
 
     def CASE3( self, main ):
         """
@@ -274,7 +442,8 @@
                 main.hostMACs.append( "00:00:00:00:00:" + format( i, '02x' ) + "/-1" )
             print "Host MACs in Store: \n", str( main.hostMACs )
             main.MACsDict = {}
-            for i in range(len(main.deviceDPIDs)):
+            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" )
@@ -295,6 +464,8 @@
             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()
@@ -317,6 +488,8 @@
             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,
@@ -332,7 +505,7 @@
                     linkCountTemp = re.split( r'\t+', linkCountResult )
                     linkCount = linkCountTemp[ 1 ].replace( "\r\r\n\x1b[32m", "" )
                     main.deviceActiveLinksCount.append( linkCount )
-                print "Device Active Links Count Stored: \n", str( main.deviceActiveLinksCount )
+            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))
 
@@ -354,7 +527,7 @@
                                  onpass="Saving ONOS topology data test PASS",
                                  onfail="Saving ONOS topology data test FAIL" )
 
-    def CASE4( self, main ):
+    def CASE40( self, main ):
         """
         Verify Reactive forwarding (Att Topology)
         """
@@ -366,39 +539,32 @@
         main.case( "Enable Reactive forwarding and Verify ping all" )
         main.step( "Enable Reactive forwarding" )
         installResult = main.TRUE
-        feature = "onos-app-fwd"
-        
+        # Activate fwd app
+        appResults = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+        appCheck = main.TRUE
         pool = []
-        time1 = time.time()
         for cli in main.CLIs:
-            t = main.Thread( target=cli.featureInstall,
-                    threadID=main.threadID,
-                    name="featureInstall",
-                    args=['onos-app-fwd'])
-            pool.append(t)
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
             t.start()
-            main.threadID = main.threadID + 1
-            
-        installResult = main.TRUE
         for t in pool:
             t.join()
-            installResult = installResult and t.result
-        time2 = time.time()
-        
-        if not installResult:
-                main.log.info("Did not install onos-app-fwd feature properly")
-                #main.cleanup()
-                #main.exit()
-        else:
-            main.log.info("Successful feature:install onos-app-fwd")
-        main.log.info("Time for feature:install onos-app-fwd: %2f seconds" %(time2-time1))
-        
-        time.sleep( 5 )
+            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 Pingall" )
         ping_result = main.FALSE
         time1 = time.time()
-        ping_result = main.Mininet1.pingall(timeout=main.pingTimeout)
+        ping_result = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -412,34 +578,31 @@
             main.log.report( "Pingall Test in Reactive mode failed" )
 
         main.step( "Disable Reactive forwarding" )
-        uninstallResult = main.TRUE
+       
+        main.log.info( "Uninstall reactive forwarding app" )
+        appResults = appResults and main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
         pool = []
-        time1 = time.time()
         for cli in main.CLIs:
-            t = main.Thread( target=cli.featureUninstall,
-                             threadID=main.threadID,
-                             name="featureUninstall",
-                             args=['onos-app-fwd'])
-            pool.append(t)
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
             t.start()
-            main.threadID = main.threadID + 1
+
         for t in pool:
             t.join()
-            uninstallResult = uninstallResult and t.result
-        time2 = time.time()
-        
-        if not uninstallResult:
-                main.log.info("Did not uninstall onos-app-fwd feature properly")
-                #main.cleanup()
-                #main.exit()
-        else:
-            main.log.info("Successful feature:uninstall onos-app-fwd")
-        main.log.info("Time for feature:uninstall onos-app-fwd: %2f seconds" %(time2-time1))
+            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( 20 )
-        case4Result =  installResult and uninstallResult and ping_result
-        utilities.assert_equals( expect=main.TRUE, actual=case4Result,
+        time.sleep( 10 )
+        case40Result =  installResult and uninstallResult and ping_result
+        utilities.assert_equals( expect=main.TRUE, actual=case40Result,
                                  onpass="Reactive Mode Pingall test PASS",
                                  onfail="Reactive Mode Pingall test FAIL" )
 
@@ -455,39 +618,33 @@
         main.case( "Enable Reactive forwarding and Verify ping all" )
         main.step( "Enable Reactive forwarding" )
         installResult = main.TRUE
-        feature = "onos-app-fwd"
-        
+        # Activate fwd app
+        appResults = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+
+        appCheck = main.TRUE
         pool = []
-        time1 = time.time()
         for cli in main.CLIs:
-            t = main.Thread( target=cli.featureInstall,
-                    threadID=main.threadID,
-                    name="featureInstall",
-                    args=['onos-app-fwd'])
-            pool.append(t)
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
             t.start()
-            main.threadID = main.threadID + 1
-            
-        installResult = main.TRUE
         for t in pool:
             t.join()
-            installResult = installResult and t.result
-        time2 = time.time()
-        
-        if not installResult:
-                main.log.info("Did not install onos-app-fwd feature properly")
-                #main.cleanup()
-                #main.exit()
-        else:
-            main.log.info("Successful feature:install onos-app-fwd")
-        main.log.info("Time for feature:install onos-app-fwd: %2f seconds" %(time2-time1))
-        
-        time.sleep( 5 )
+            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 Pingall" )
         ping_result = main.FALSE
         time1 = time.time()
-        ping_result = main.Mininet1.pingall(timeout=main.pingTimeout)
+        ping_result = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -501,34 +658,31 @@
             main.log.report( "Pingall Test in Reactive mode failed" )
 
         main.step( "Disable Reactive forwarding" )
-        uninstallResult = main.TRUE
+       
+        main.log.info( "Uninstall reactive forwarding app" )
+        appResults = appResults and main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
         pool = []
-        time1 = time.time()
         for cli in main.CLIs:
-            t = main.Thread( target=cli.featureUninstall,
-                             threadID=main.threadID,
-                             name="featureUninstall",
-                             args=['onos-app-fwd'])
-            pool.append(t)
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
             t.start()
-            main.threadID = main.threadID + 1
+
         for t in pool:
             t.join()
-            uninstallResult = uninstallResult and t.result
-        time2 = time.time()
-        
-        if not uninstallResult:
-                main.log.info("Did not uninstall onos-app-fwd feature properly")
-                #main.cleanup()
-                #main.exit()
-        else:
-            main.log.info("Successful feature:uninstall onos-app-fwd")
-        main.log.info("Time for feature:uninstall onos-app-fwd: %2f seconds" %(time2-time1))
+            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( 20 )
-        case4Result =  installResult and uninstallResult and ping_result
-        utilities.assert_equals( expect=main.TRUE, actual=case4Result,
+        time.sleep( 10 )
+        case41Result =  installResult and uninstallResult and ping_result
+        utilities.assert_equals( expect=main.TRUE, actual=case41Result,
                                  onpass="Reactive Mode Pingall test PASS",
                                  onfail="Reactive Mode Pingall test FAIL" )
 
@@ -544,39 +698,33 @@
         main.case( "Enable Reactive forwarding and Verify ping all" )
         main.step( "Enable Reactive forwarding" )
         installResult = main.TRUE
-        feature = "onos-app-fwd"
-        
+        # Activate fwd app
+        appResults = main.CLIs[0].activateApp( "org.onosproject.fwd" )
+
+        appCheck = main.TRUE
         pool = []
-        time1 = time.time()
         for cli in main.CLIs:
-            t = main.Thread( target=cli.featureInstall,
-                    threadID=main.threadID,
-                    name="featureInstall",
-                    args=['onos-app-fwd'])
-            pool.append(t)
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
             t.start()
-            main.threadID = main.threadID + 1
-            
-        installResult = main.TRUE
         for t in pool:
             t.join()
-            installResult = installResult and t.result
-        time2 = time.time()
-        
-        if not installResult:
-                main.log.info("Did not install onos-app-fwd feature properly")
-                #main.cleanup()
-                #main.exit()
-        else:
-            main.log.info("Successful feature:install onos-app-fwd")
-        main.log.info("Time for feature:install onos-app-fwd: %2f seconds" %(time2-time1))
-        
-        time.sleep( 5 )
+            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 Pingall" )
         ping_result = main.FALSE
         time1 = time.time()
-        ping_result = main.Mininet1.pingall(timeout=main.pingTimeout)
+        ping_result = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -590,34 +738,31 @@
             main.log.report( "Pingall Test in Reactive mode failed" )
 
         main.step( "Disable Reactive forwarding" )
-        uninstallResult = main.TRUE
+       
+        main.log.info( "Uninstall reactive forwarding app" )
+        appResults = appResults and main.CLIs[0].deactivateApp( "org.onosproject.fwd" )
         pool = []
-        time1 = time.time()
         for cli in main.CLIs:
-            t = main.Thread( target=cli.featureUninstall,
-                             threadID=main.threadID,
-                             name="featureUninstall",
-                             args=['onos-app-fwd'])
-            pool.append(t)
+            t = main.Thread( target=cli.appToIDCheck,
+                             name="appToIDCheck-" + str( i ),
+                             args=[] )
+            pool.append( t )
             t.start()
-            main.threadID = main.threadID + 1
+
         for t in pool:
             t.join()
-            uninstallResult = uninstallResult and t.result
-        time2 = time.time()
-        
-        if not uninstallResult:
-                main.log.info("Did not uninstall onos-app-fwd feature properly")
-                #main.cleanup()
-                #main.exit()
-        else:
-            main.log.info("Successful feature:uninstall onos-app-fwd")
-        main.log.info("Time for feature:uninstall onos-app-fwd: %2f seconds" %(time2-time1))
+            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( 20 )
-        case4Result =  installResult and uninstallResult and ping_result
-        utilities.assert_equals( expect=main.TRUE, actual=case4Result,
+        time.sleep( 10 )
+        case42Result =  installResult and uninstallResult and ping_result
+        utilities.assert_equals( expect=main.TRUE, actual=case42Result,
                                  onpass="Reactive Mode Pingall test PASS",
                                  onfail="Reactive Mode Pingall test FAIL" )
 
@@ -643,6 +788,8 @@
         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,
@@ -716,7 +863,7 @@
                                  onpass="Compare Topology test PASS",
                                  onfail="Compare Topology test FAIL" )
 
-    def CASE6( self ):
+    def CASE60( self ):
         """
         Install 300 host intents and verify ping all (Att Topology)
         """
@@ -731,11 +878,6 @@
         
         intentIdList = []
         time1 = time.time()
-        """
-        for i in xrange(0 ,len(hostCombos)):
-            tempId = ONOScli1.addHostIntent( hostCombos[i][0],hostCombos[i][1]] )
-            intentIdList.append(hostCombos[i][0],hostCombos[i][1]])
-        """
         for i in xrange( 0, len( hostCombos ), int(main.numCtrls) ):
             pool = []
             for cli in main.CLIs:
@@ -746,7 +888,6 @@
                         name="addHostIntent",
                         args=[hostCombos[i][0],hostCombos[i][1]])
                 pool.append(t)
-                #time.sleep(1)
                 t.start()
                 i = i + 1
                 main.threadID = main.threadID + 1
@@ -754,7 +895,8 @@
                 thread.join()
                 intentIdList.append(thread.result)
         time2 = time.time()
-        main.log.info("Time for adding host intents: %2f seconds" %(time2-time1)) 
+        main.log.info("Time for adding host intents: %2f seconds" %(time2-time1))
+
         intentResult = main.TRUE
         intentsJson = main.ONOScli2.intents()
         getIntentStateResult = main.ONOScli1.getIntentState(intentsId = intentIdList,
@@ -765,7 +907,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResult = main.FALSE
         time1 = time.time()
-        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -776,14 +918,137 @@
                                  onpass="PING ALL PASS",
                                  onfail="PING ALL FAIL" )
 
-        case6Result = ( intentResult and pingResult )
+        case60Result = ( intentResult and pingResult )
         
         utilities.assert_equals(
             expect=main.TRUE,
-            actual=case6Result,
+            actual=case60Result,
             onpass="Install 300 Host Intents and Ping All test PASS",
             onfail="Install 300 Host Intents and Ping All test FAIL" )
 
+    def CASE61( self ):
+        """
+        Install 600 host intents and verify ping all for Chordal Topology
+        """
+        main.log.report( "Add 600 host intents and verify pingall (Chordal Topo)" )
+        main.log.report( "_______________________________________" )
+        import itertools
+        
+        main.case( "Install 600 host intents" )
+        main.step( "Add host Intents" )
+        intentResult = main.TRUE
+        hostCombos = list( itertools.combinations( main.hostMACs, 2 ) ) 
+        
+        intentIdList = []
+        time1 = time.time()
+        
+        for i in xrange( 0, len( hostCombos ), int(main.numCtrls) ):
+            pool = []
+            for cli in main.CLIs:
+                if i >= len( hostCombos ):
+                    break
+                t = main.Thread( target=cli.addHostIntent,
+                        threadID=main.threadID,
+                        name="addHostIntent",
+                        args=[hostCombos[i][0],hostCombos[i][1]])
+                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 host intents: %2f seconds" %(time2-time1))
+        intentResult = main.TRUE
+        intentsJson = main.ONOScli2.intents()
+        getIntentStateResult = main.ONOScli1.getIntentState(intentsId = intentIdList,
+                intentsJson = intentsJson)
+        print getIntentStateResult
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.FALSE
+        time1 = time.time()
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
+        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="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        case14Result = ( intentResult and pingResult )
+        
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case14Result,
+            onpass="Install 300 Host Intents and Ping All test PASS",
+            onfail="Install 300 Host Intents and Ping All test FAIL" )
+
+    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( "_______________________________________" )
+        import itertools
+        
+        main.case( "Install 2278 host intents" )
+        main.step( "Add host Intents" )
+        intentResult = main.TRUE
+        hostCombos = list( itertools.combinations( main.hostMACs, 2 ) ) 
+        main.pingTimeout = 300
+        intentIdList = []
+        time1 = time.time()
+        for i in xrange( 0, len( hostCombos ), int(main.numCtrls) ):
+            pool = []
+            for cli in main.CLIs:
+                if i >= len( hostCombos ):
+                    break
+                t = main.Thread( target=cli.addHostIntent,
+                        threadID=main.threadID,
+                        name="addHostIntent",
+                        args=[hostCombos[i][0],hostCombos[i][1]])
+                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 host intents: %2f seconds" %(time2-time1))
+        intentResult = main.TRUE
+        intentsJson = main.ONOScli2.intents()
+        getIntentStateResult = main.ONOScli1.getIntentState(intentsId = intentIdList,
+                intentsJson = intentsJson)
+        print getIntentStateResult
+
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.FALSE
+        time1 = time.time()
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
+        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="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        case15Result = ( intentResult and pingResult )
+        
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case15Result,
+            onpass="Install 2278 Host Intents and Ping All test PASS",
+            onfail="Install 2278 Host Intents and Ping All test FAIL" )
+
     def CASE70( self, main ):
         """
         Randomly bring some core links down and verify ping all ( Host Intents-Att Topo)
@@ -792,13 +1057,13 @@
         main.randomLink1 = []
         main.randomLink2 = []
         main.randomLink3 = []
-        link1End1 = main.params[ 'CORELINKS' ][ 'linkS3a' ]
-        link1End2 = main.params[ 'CORELINKS' ][ 'linkS3b' ].split( ',' )
-        link2End1 = main.params[ 'CORELINKS' ][ 'linkS14a' ]
-        link2End2 = main.params[ 'CORELINKS' ][ 'linkS14b' ].split( ',' )
-        link3End1 = main.params[ 'CORELINKS' ][ 'linkS18a' ]
-        link3End2 = main.params[ 'CORELINKS' ][ 'linkS18b' ].split( ',' )
-        switchLinksToToggle = main.params[ 'CORELINKS' ][ 'toggleLinks' ]
+        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' ]
         link_sleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
 
         main.log.report( "Randomly bring some core links down and verify ping all (Host Intents-Att Topo)" )
@@ -847,7 +1112,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResultLinkDown = main.FALSE
         time1 = time.time()
-        pingResultLinkDown = main.Mininet1.pingall(timeout=main.pingTimeout)
+        pingResultLinkDown = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -868,11 +1133,11 @@
         Bring the core links up that are down and verify ping all ( Host Intents-Att Topo )
         """
         import random
-        link1End1 = main.params[ 'CORELINKS' ][ 'linkS3a' ]
-        link2End1 = main.params[ 'CORELINKS' ][ 'linkS14a' ]
-        link3End1 = main.params[ 'CORELINKS' ][ 'linkS18a' ]
+        link1End1 = main.params[ 'ATTCORELINKS' ][ 'linkS3a' ]
+        link2End1 = main.params[ 'ATTCORELINKS' ][ 'linkS14a' ]
+        link3End1 = main.params[ 'ATTCORELINKS' ][ 'linkS18a' ]
         link_sleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
-        switchLinksToToggle = main.params[ 'CORELINKS' ][ 'toggleLinks' ]
+        switchLinksToToggle = main.params[ 'ATTCORELINKS' ][ 'toggleLinks' ]
 
         main.log.report(
             "Bring the core links up that are down and verify ping all (Host Intents-Att Topo" )
@@ -912,7 +1177,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResultLinkUp = main.FALSE
         time1 = time.time()
-        pingResultLinkUp = main.Mininet1.pingall()
+        pingResultLinkUp = main.Mininet1.pingall( timeout=main.pingTimeout,shortCircuit=True )
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -930,39 +1195,37 @@
 
     def CASE71( self, main ):
         """
-        Randomly bring some core links down and verify ping all ( Point Intents-Att Topo )
+        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[ 'CORELINKS' ][ 'linkS3a' ]
-        link1End2 = main.params[ 'CORELINKS' ][ 'linkS3b' ].split( ',' )
-        link2End1 = main.params[ 'CORELINKS' ][ 'linkS14a' ]
-        link2End2 = main.params[ 'CORELINKS' ][ 'linkS14b' ].split( ',' )
-        link3End1 = main.params[ 'CORELINKS' ][ 'linkS18a' ]
-        link3End2 = main.params[ 'CORELINKS' ][ 'linkS18b' ].split( ',' )
-        switchLinksToToggle = main.params[ 'CORELINKS' ][ 'toggleLinks' ]
+        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' ]
         link_sleep = 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.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 you PARAMS file. Valid range for number of switch links to toggle is between 1 to 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.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" )
-        randomLink1 = random.sample( link1End2, int( switchLinksToToggle ) )
-        randomLink2 = random.sample( link2End2, int( switchLinksToToggle ) )
-        randomLink3 = random.sample( link3End2, int( switchLinksToToggle ) )
+        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,
@@ -980,8 +1243,8 @@
 
         topology_output = main.ONOScli2.topology()
         linkDown = main.ONOSbench.checkStatus(
-            topology_output, main.numSwitches, str(
-                int( main.numLinks ) - int( switchLinksToToggle ) * 6 ) )
+            topology_output, main.numMNswitches, str(
+                int( main.numMNlinks ) - int( switchLinksToToggle ) * 6 ) )
         utilities.assert_equals(
             expect=main.TRUE,
             actual=linkDown,
@@ -993,7 +1256,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResultLinkDown = main.FALSE
         time1 = time.time()
-        pingResultLinkDown = main.Mininet1.pingall()
+        pingResultLinkDown = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -1004,8 +1267,8 @@
                                  onpass="PING ALL PASS",
                                  onfail="PING ALL FAIL" )
 
-        caseResult7 = linkDown and pingResultLinkDown
-        utilities.assert_equals( expect=main.TRUE, actual=caseResult7,
+        caseResult71 = linkDown and pingResultLinkDown
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult71,
                                  onpass="Random Link cut Test PASS",
                                  onfail="Random Link cut Test FAIL" )
 
@@ -1014,16 +1277,16 @@
         Bring the core links up that are down and verify ping all ( Point Intents-Att Topo )
         """
         import random
-        link1End1 = main.params[ 'CORELINKS' ][ 'linkS3a' ]
-        link2End1 = main.params[ 'CORELINKS' ][ 'linkS14a' ]
-        link3End1 = main.params[ 'CORELINKS' ][ 'linkS18a' ]
+        link1End1 = main.params[ 'ATTCORELINKS' ][ 'linkS3a' ]
+        link2End1 = main.params[ 'ATTCORELINKS' ][ 'linkS14a' ]
+        link3End1 = main.params[ 'ATTCORELINKS' ][ 'linkS18a' ]
         link_sleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
-        switchLinksToToggle = main.params[ 'CORELINKS' ][ 'toggleLinks' ]
+        switchLinksToToggle = main.params[ 'ATTCORELINKS' ][ 'toggleLinks' ]
 
         main.log.report(
-            "Bring the core links up that are down and verify ping all (Point Intents-Att Topo" )
+            "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" )
@@ -1058,7 +1321,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResultLinkUp = main.FALSE
         time1 = time.time()
-        pingResultLinkUp = main.Mininet1.pingall()
+        pingResultLinkUp = main.Mininet1.pingall(timeout = main.pingTimeout, shortCircuit = True )
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -1116,7 +1379,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResultLinkDown = main.FALSE
         time1 = time.time()
-        pingResultLinkDown = main.Mininet1.pingall(timeout=main.pingTimeout)
+        pingResultLinkDown = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -1127,8 +1390,8 @@
                                  onpass="PING ALL PASS",
                                  onfail="PING ALL FAIL" )
 
-        caseResult72 = pingResultLinkDown
-        utilities.assert_equals( expect=main.TRUE, actual=caseResult72,
+        caseResult71 = pingResultLinkDown
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult71,
                                  onpass="Random Link cut Test PASS",
                                  onfail="Random Link cut Test FAIL" )
 
@@ -1171,7 +1434,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResultLinkUp = main.FALSE
         time1 = time.time()
-        pingResultLinkUp = main.Mininet1.pingall()
+        pingResultLinkUp = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -1186,30 +1449,38 @@
         utilities.assert_equals( expect=main.TRUE, actual=caseResult82,
                                  onpass="Link Up Test PASS",
                                  onfail="Link Up Test FAIL" )
- 
+
     def CASE73( self, main ):
         """
-        Randomly bring some core links down and verify ping all ( Host Intents-Spine Topo)
+        Randomly bring some links down and verify ping all ( Point Intents-Chordal Topo)
         """
         import random
-        main.pingTimeout = 600
+        import itertools 
         link_sleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
-
-        main.log.report( "Bring some core links down and verify ping all (Host Intents-Spine Topo)" )
+        
+        main.log.report( "Randomly bring some core links down and verify ping all ( Point Intents-Chordal Topo)" )
         main.log.report( "___________________________________________________________________________" )
-
-        main.someLinks = [('s1','s9'),('s3','s9'),('s6','s10'),('s8','s10')]
-        for switch in main.someLinks:
+        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" )
+                OPTION="down")
         time.sleep( link_sleep )
 
         topology_output = main.ONOScli2.topology()
         linkDown = main.ONOSbench.checkStatus(
             topology_output, main.numMNswitches, str(
-                int( main.numMNlinks ) - 8 ))
+                int( main.numMNlinks ) - 5 * 2 ) )
         utilities.assert_equals(
             expect=main.TRUE,
             actual=linkDown,
@@ -1221,7 +1492,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResultLinkDown = main.FALSE
         time1 = time.time()
-        pingResultLinkDown = main.Mininet1.pingall(timeout=main.pingTimeout)
+        pingResultLinkDown = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -1232,30 +1503,32 @@
                                  onpass="PING ALL PASS",
                                  onfail="PING ALL FAIL" )
 
-        caseResult73 = linkDown and pingResultLinkDown
+        caseResult73 = pingResultLinkDown
         utilities.assert_equals( expect=main.TRUE, actual=caseResult73,
                                  onpass="Random Link cut Test PASS",
                                  onfail="Random Link cut Test FAIL" )
 
     def CASE83( self, main ):
         """
-        Bring the core links up that are down and verify ping all ( Host Intents-Spine Topo )
+        Bring the core links up that are down and verify ping all ( Point Intents Chordal Topo )
         """
         import random
-
         link_sleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+       
         main.log.report(
-            "Bring the core links up that are down and verify ping all (Host Intents-Spine Topo" )
+            "Bring the core links up that are down and verify ping all ( Point Intents-Chordal Topo" )
         main.log.report(
             "__________________________________________________________________" )
         main.case(
-            "Host intents - Bring the core links up that are down and verify ping all" )
+            "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.someLinks:
+        for switch in main.randomLinks:
             main.Mininet1.link(
                 END1=switch[0],
                 END2=switch[1],
                 OPTION="up")
+
         time.sleep( link_sleep )
 
         topology_output = main.ONOScli2.topology()
@@ -1274,7 +1547,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResultLinkUp = main.FALSE
         time1 = time.time()
-        pingResultLinkUp = main.Mininet1.pingall()
+        pingResultLinkUp = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -1289,8 +1562,128 @@
         utilities.assert_equals( expect=main.TRUE, actual=caseResult83,
                                  onpass="Link Up Test PASS",
                                  onfail="Link Up Test FAIL" )
+
+    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( ',' )
+        link_sleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
+        main.pingTimeout = 400
         
-    def CASE9( self ):
+        main.log.report( "Bring some core links down and verify ping all (Host Intents-Spine Topo)" )
+        main.log.report( "___________________________________________________________________________" )
+        
+        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]
+        # 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" )
+        main.Mininet1.link( END1=link2End1, END2=main.randomLink4, OPTION="down" )
+        
+        time.sleep( link_sleep )
+
+        topology_output = main.ONOScli2.topology()
+        linkDown = main.ONOSbench.checkStatus(
+            topology_output, main.numMNswitches, str(
+                int( main.numMNlinks ) - 8 ))
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=linkDown,
+            onpass="Link Down discovered properly",
+            onfail="Link down was not discovered in " +
+            str( link_sleep ) +
+            " seconds" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResultLinkDown = main.FALSE
+        time1 = time.time()
+        pingResultLinkDown = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
+        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=pingResultLinkDown,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult74 = linkDown and pingResultLinkDown
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult74,
+                                 onpass="Random Link cut Test PASS",
+                                 onfail="Random Link cut Test FAIL" )
+
+    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' ]
+        link_sleep = 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.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" )
+        main.Mininet1.link( END1=link2End1, END2=main.randomLink4, OPTION="up" )
+       
+        time.sleep( link_sleep )
+        topology_output = main.ONOScli2.topology()
+        linkUp = main.ONOSbench.checkStatus(
+            topology_output,
+            main.numMNswitches,
+            str( main.numMNlinks ) )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=linkUp,
+            onpass="Link up discovered properly",
+            onfail="Link up was not discovered in " +
+            str( link_sleep ) +
+            " seconds" )
+
+        main.step( "Verify Ping across all hosts" )
+        pingResultLinkUp = main.FALSE
+        time1 = time.time()
+        pingResultLinkUp = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
+        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=pingResultLinkUp,
+                                 onpass="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        caseResult84 = linkUp and pingResultLinkUp
+        utilities.assert_equals( expect=main.TRUE, actual=caseResult84,
+                                 onpass="Link Up Test PASS",
+                                 onfail="Link Up Test FAIL" )
+    
+    def CASE90( self ):
         """
         Install 600 point intents and verify ping all (Att Topology)
         """
@@ -1305,11 +1698,6 @@
         
         intentIdList = []
         time1 = time.time()
-        """
-        for i in xrange(0 ,len(hostCombos)):
-            tempId = ONOScli1.addHostIntent( hostCombos[i][0],hostCombos[i][1]] )
-            intentIdList.append(hostCombos[i][0],hostCombos[i][1]])
-        """
         for i in xrange( 0, len( deviceCombos ), int(main.numCtrls) ):
             pool = []
             for cli in main.CLIs:
@@ -1339,7 +1727,7 @@
         main.step( "Verify Ping across all hosts" )
         pingResult = main.FALSE
         time1 = time.time()
-        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         time2 = time.time()
         timeDiff = round( ( time2 - time1 ), 2 )
         main.log.report(
@@ -1350,16 +1738,260 @@
                                  onpass="PING ALL PASS",
                                  onfail="PING ALL FAIL" )
 
-        case6Result = ( intentResult and pingResult )
+        case90Result = ( intentResult and pingResult )
         
         utilities.assert_equals(
             expect=main.TRUE,
-            actual=case6Result,
+            actual=case90Result,
             onpass="Install 600 point Intents and Ping All test PASS",
             onfail="Install 600 point Intents and Ping All test FAIL" )
-        main.cleanup()
-        main.exit()
-    def CASE90( self ):
+
+    def CASE91( self ):
+        """
+        Install ###$$$ point intents and verify ping all (Chordal Topology)
+        """
+        main.log.report( "Add ###$$$ point intents and verify pingall (Chordal Topology)" )
+        main.log.report( "_______________________________________" )
+        import itertools
+        import time
+        main.case( "Install ###$$$ point intents" )
+        main.step( "Add point Intents" )
+        intentResult = main.TRUE
+        deviceCombos = list( itertools.permutations( main.deviceDPIDs, 2 ) ) 
+        
+        intentIdList = []
+        time1 = time.time()
+        for i in xrange( 0, len( deviceCombos ), int(main.numCtrls) ):
+            pool = []
+            for cli in main.CLIs:
+                if i >= len( deviceCombos ):
+                    break
+                t = main.Thread( target=cli.addPointIntent,
+                        threadID=main.threadID,
+                        name="addPointIntent",
+                        args=[deviceCombos[i][0],deviceCombos[i][1],1,1,"IPV4","",main.MACsDict.get(deviceCombos[i][1])])
+                pool.append(t)
+                #time.sleep(1)
+                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)) 
+        intentResult = main.TRUE
+        intentsJson = main.ONOScli2.intents()
+        getIntentStateResult = main.ONOScli1.getIntentState(intentsId = intentIdList,
+                intentsJson = intentsJson)
+        print getIntentStateResult
+        # Takes awhile for all the onos to get the intents
+        time.sleep(30)
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.FALSE
+        time1 = time.time()
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
+        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="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        case91Result = ( intentResult and pingResult )
+        
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case91Result,
+            onpass="Install ###$$$ point Intents and Ping All test PASS",
+            onfail="Install ###$$$ point Intents and Ping All test FAIL" )
+    
+    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( "_______________________________________" )
+        import itertools
+        import time
+        main.case( "Install 4556 point intents" )
+        main.step( "Add point Intents" )
+        intentResult = main.TRUE
+        main.pingTimeout = 600 
+        for i in range(len(main.hostMACs)):
+            main.MACsDict[main.deviceDPIDs[i+10]] = main.hostMACs[i].split('/')[0]
+        print main.MACsDict
+        deviceCombos = list( itertools.permutations( main.deviceDPIDs[10:], 2 ) ) 
+        
+        intentIdList = []
+        time1 = time.time()
+        for i in xrange( 0, len( deviceCombos ), int(main.numCtrls) ):
+            pool = []
+            for cli in main.CLIs:
+                if i >= len( deviceCombos ):
+                    break
+                t = main.Thread( target=cli.addPointIntent,
+                        threadID=main.threadID,
+                        name="addPointIntent",
+                        args=[deviceCombos[i][0],deviceCombos[i][1],1,1,"IPV4","",main.MACsDict.get(deviceCombos[i][1])])
+                pool.append(t)
+                #time.sleep(1)
+                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)) 
+        intentResult = main.TRUE
+        intentsJson = main.ONOScli2.intents()
+        getIntentStateResult = main.ONOScli1.getIntentState(intentsId = intentIdList,
+                intentsJson = intentsJson)
+        #print getIntentStateResult
+        # Takes awhile for all the onos to get the intents
+        time.sleep(60)
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.FALSE
+        time1 = time.time()
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
+        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="PING ALL PASS",
+                                 onfail="PING ALL FAIL" )
+
+        case92Result = ( intentResult and pingResult )
+        
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case92Result,
+            onpass="Install 4556 point Intents and Ping All test PASS",
+            onfail="Install 4556 point Intents and Ping All test FAIL" )
+     
+    def CASE93( self ):
+        """
+        Install multi-single point intents and verify Ping all works
+        for att 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 = []
+        print "MACsDict", 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','IPV4','',main.MACsDict.get(egressDevice)])
+                pool.append(t)
+                #time.sleep(1)
+                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)) 
+        print intentIdList
+        time.sleep(5)
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.FALSE
+        time1 = time.time()
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        case93Result = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case93Result,
+            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" )
+        
+    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 = []
+        print "MACsDict", 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','IPV4','',main.MACsDict.get(egressDevice)])
+                pool.append(t)
+                #time.sleep(1)
+                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)) 
+        time.sleep(5)
+        main.step( "Verify Ping across all hosts" )
+        pingResult = main.FALSE
+        time1 = time.time()
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
+        time2 = time.time()
+        timeDiff = round( ( time2 - time1 ), 2 )
+        main.log.report(
+            "Time taken for Ping All: " +
+            str( timeDiff ) +
+            " seconds" )
+
+        case94Result = pingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case94Result,
+            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" )
+    
+    #def CASE95 multi-single point intent for Spine
+
+    def CASE96( self ):
         """
         Install single-multi point intents and verify Ping all works
         for att topology
@@ -1368,198 +2000,106 @@
         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" )
-        deviceLinksCopy = copy.copy( main.deviceLinks )
-        main.step( "Install single-multi point intents" )
-        for i in range( len( deviceLinksCopy ) ):
-            pointLink = str(
-                deviceLinksCopy[ i ] ).replace(
-                "src=",
-                "" ).replace(
-                "dst=",
-                "" ).split( ',' )
-            point1 = pointLink[ 0 ].split( '/' )
-            point2 = pointLink[ 1 ].split( '/' )
-            installResult = main.ONOScli1.addPointIntent(
-                point1[ 0 ], point2[ 0 ], int(
-                    point1[ 1 ] ), int(
-                    point2[ 1 ] ) )
-            if installResult == main.TRUE:
-                print "Installed Point intent between :", point1[ 0 ], int( point1[ 1 ] ), point2[ 0 ], int( point2[ 1 ] )
-
-        main.step( "Obtain the intent id's" )
-        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()
-        intentsList = intentsList[ 1: ]
+        deviceDPIDsCopy = copy.copy(main.deviceDPIDs)
+        portEgressList = ['1']*(len(deviceDPIDsCopy) - 1)
         intentIdList = []
-        for i in range( len( intentsList ) ):
-            intentsTemp = intentsList[ i ].split( ',' )
-            intentIdList.append( intentsTemp[ 0 ] )
-        print "Intent IDs: ", intentIdList
-        print "Total Intents installed: ", len( intentIdList )
-
+        print "MACsDict", 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,'IPV4',main.MACsDict.get(ingressDevice)])
+                pool.append(t)
+                #time.sleep(1)
+                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)) 
+        time.sleep(5)
         main.step( "Verify Ping across all hosts" )
         pingResult = main.FALSE
         time1 = time.time()
-        pingResult = main.Mininet1.pingall()
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         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="PING ALL PASS",
-                                 onfail="PING ALL FAIL" )
 
-        case8_result = installResult and pingResult
+        case96Result = pingResult
         utilities.assert_equals(
             expect=main.TRUE,
-            actual=case8_result,
-            onpass="Ping all test after Point intents addition successful",
-            onfail="Ping all test after Point intents addition failed" )
+            actual=case96Result,
+            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" )
 
-    def CASE91( self ):
+    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" )
-        deviceLinksCopy = copy.copy( main.deviceLinks )
-        main.step( "Install single-multi point intents" )
-        for i in range( len( deviceLinksCopy ) ):
-            pointLink = str(
-                deviceLinksCopy[ i ] ).replace(
-                "src=",
-                "" ).replace(
-                "dst=",
-                "" ).split( ',' )
-            point1 = pointLink[ 0 ].split( '/' )
-            point2 = pointLink[ 1 ].split( '/' )
-            installResult = main.ONOScli1.addPointIntent(
-                point1[ 0 ], point2[ 0 ], int(
-                    point1[ 1 ] ), int(
-                    point2[ 1 ] ) )
-            if installResult == main.TRUE:
-                print "Installed Point intent between :", point1[ 0 ], int( point1[ 1 ] ), point2[ 0 ], int( point2[ 1 ] )
-
-        main.step( "Obtain the intent id's" )
-        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()
-        intentsList = intentsList[ 1: ]
+        deviceDPIDsCopy = copy.copy(main.deviceDPIDs)
+        portEgressList = ['1']*(len(deviceDPIDsCopy) - 1)
         intentIdList = []
-        for i in range( len( intentsList ) ):
-            intentsTemp = intentsList[ i ].split( ',' )
-            intentIdList.append( intentsTemp[ 0 ] )
-        print "Intent IDs: ", intentIdList
-        print "Total Intents installed: ", len( intentIdList )
-
+        print "MACsDict", 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,'IPV4',main.MACsDict.get(ingressDevice),''])
+                pool.append(t)
+                #time.sleep(1)
+                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)) 
+        time.sleep(5)
         main.step( "Verify Ping across all hosts" )
         pingResult = main.FALSE
         time1 = time.time()
-        pingResult = main.Mininet1.pingall()
+        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout,shortCircuit=True)
         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="PING ALL PASS",
-                                 onfail="PING ALL FAIL" )
 
-        case8_result = installResult and pingResult
+        case97Result = pingResult
         utilities.assert_equals(
             expect=main.TRUE,
-            actual=case8_result,
-            onpass="Ping all test after Point intents addition successful",
-            onfail="Ping all test after Point intents addition failed" )
-
-    def CASE92( self ):
-        """
-        Install 114 point intents and verify Ping all works
-        """
-        import copy
-        main.log.report( "Install 114 point intents and verify Ping all" )
-        main.log.report( "___________________________________________" )
-        main.case( "Install 114 point intents and Ping all" )
-        deviceLinksCopy = copy.copy( main.deviceLinks )
-        main.step( "Install 114 point intents" )
-        for i in range( len( deviceLinksCopy ) ):
-            pointLink = str(
-                deviceLinksCopy[ i ] ).replace(
-                "src=",
-                "" ).replace(
-                "dst=",
-                "" ).split( ',' )
-            point1 = pointLink[ 0 ].split( '/' )
-            point2 = pointLink[ 1 ].split( '/' )
-            installResult = main.ONOScli1.addPointIntent(
-                point1[ 0 ], point2[ 0 ], int(
-                    point1[ 1 ] ), int(
-                    point2[ 1 ] ) )
-            if installResult == main.TRUE:
-                print "Installed Point intent between :", point1[ 0 ], int( point1[ 1 ] ), point2[ 0 ], int( point2[ 1 ] )
-
-        main.step( "Obtain the intent id's" )
-        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()
-        intentsList = intentsList[ 1: ]
-        intentIdList = []
-        for i in range( len( intentsList ) ):
-            intentsTemp = intentsList[ i ].split( ',' )
-            intentIdList.append( intentsTemp[ 0 ] )
-        print "Intent IDs: ", intentIdList
-        print "Total Intents installed: ", len( intentIdList )
-
-        main.step( "Verify Ping across all hosts" )
-        pingResult = main.FALSE
-        time1 = time.time()
-        pingResult = main.Mininet1.pingall()
-        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="PING ALL PASS",
-                                 onfail="PING ALL FAIL" )
-
-        case8_result = installResult and pingResult
-        utilities.assert_equals(
-            expect=main.TRUE,
-            actual=case8_result,
-            onpass="Ping all test after Point intents addition successful",
-            onfail="Ping all test after Point intents addition failed" )
+            actual=case97Result,
+            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" )
 
     def CASE10( self ):
         import time
@@ -1587,6 +2127,7 @@
         step1Result = main.TRUE
         moreIntents = main.TRUE
         removeIntentCount = 0
+        intentsCount = len(intentsList)
         print "Current number of intents" , len(intentsList)
         if ( len( intentsList ) > 1 ):
             results = main.TRUE
@@ -1619,8 +2160,25 @@
                         intentIdList1.append( intentsTemp1[ 0 ].split('=')[1] )
                     print "Leftover Intent IDs: ", intentIdList1
                     print len(intentIdList1)
-                    for intent in intentIdList1:
-                        main.CLIs[0].removeIntent(intent,'org.onosproject.cli',True,False)
+                    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',True,False])
+                            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 removing host intents: %2f seconds" %(time2-time1))
                     time.sleep(10)
                 else:
                     time.sleep(15)
@@ -1629,14 +2187,13 @@
                     break
 
             else:
-                print "There are no more intents that need to be removed"
+                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()
-        # time.sleep(300)
         caseResult10 = step1Result
         utilities.assert_equals( expect=main.TRUE, actual=caseResult10,
                                  onpass="Intent removal test successful",
@@ -1736,279 +2293,6 @@
                                  onpass="Intent based Reactive forwarding Pingall test PASS",
                                  onfail="Intent based Reactive forwarding Pingall test FAIL" )
 
-    def CASE12( self, main ):
-        """
-        This test script Loads a new Topology (Chordal) on CHO setup and balances all switches
-        """
-        import re
-        import time
-        import copy
-
-        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 = 120
-        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( "Stop any previous Mininet network topology" )
-        stopStatus = main.Mininet1.stopNet(fileName = "topoChordal" )
-        time.sleep(10)
-        main.step( "Start Mininet with Chordal topology" )
-        startStatus = main.Mininet1.startNet(topoFile = main.newTopo)
-        time.sleep(15)
-        main.step( "Assign switches to controllers" )
-        for i in range( 1, ( main.numMNswitches + 1 ) ):  # 1 to ( num of switches +1 )
-            main.Mininet1.assignSwController(
-                sw=str( i ),
-                count=int( main.numCtrls ),
-                ip1=main.ONOS1_ip,
-                port1=main.ONOS1_port,
-                ip2=main.ONOS2_ip,
-                port2=main.ONOS2_port,
-                ip3=main.ONOS3_ip,
-                port3=main.ONOS3_port,
-                ip4=main.ONOS4_ip,
-                port4=main.ONOS4_port,
-                ip5=main.ONOS5_ip,
-                port5=main.ONOS5_port )
-
-        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.ONOS1_ip, 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 )
-        
-        #Don't balance master for now..
-        """
-        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 )
-        """
-        case12Result = switch_mastership
-        time.sleep(30)
-        utilities.assert_equals(
-            expect=main.TRUE,
-            actual=case12Result,
-            onpass="Starting new Chordal topology test PASS",
-            onfail="Starting new Chordal topology test FAIL" )
-        
-    def CASE13( self, main ):
-        """
-        This test script Loads a new Topology (Spine) on CHO setup and balances all switches
-        """
-        import re
-        import time
-        import copy
-
-        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 = 600
-        
-        main.log.report(
-            "Load Spine and Leaf topology and Balance all Mininet switches across controllers" )
-        main.log.report(
-            "________________________________________________________________________" )
-        # need to wait here for sometime until ONOS bootup
-        main.case(
-            "Assign and Balance all Mininet switches across controllers" )
-        main.step( "Stop any previous Mininet network topology" )
-        stopStatus = main.Mininet1.stopNet(fileName = "topoSpine" )
-        main.step( "Start Mininet with Spine topology" )
-        startStatus = main.Mininet1.startNet(topoFile = main.newTopo)
-        time.sleep(20)
-        main.step( "Assign switches to controllers" )
-        for i in range( 1, ( main.numMNswitches + 1 ) ):  # 1 to ( num of switches +1 )
-            main.Mininet1.assignSwController(
-                sw=str( i ),
-                count= 1,
-                ip1=main.ONOS1_ip,
-                port1=main.ONOS1_port,
-                ip2=main.ONOS2_ip,
-                port2=main.ONOS2_port,
-                ip3=main.ONOS3_ip,
-                port3=main.ONOS3_port,
-                ip4=main.ONOS4_ip,
-                port4=main.ONOS4_port,
-                ip5=main.ONOS5_ip,
-                port5=main.ONOS5_port )
-
-        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.ONOS1_ip, 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 )
-
-        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 )
-        """
-        case13Result = switch_mastership
-        time.sleep(30)
-        utilities.assert_equals(
-            expect=main.TRUE,
-            actual=case13Result,
-            onpass="Starting new Spine topology test PASS",
-            onfail="Starting new Spine topology test FAIL" )
-
-    def CASE14( 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( "_______________________________________" )
-        import itertools
-        
-        main.case( "Install 300 host intents" )
-        main.step( "Add host Intents" )
-        intentResult = main.TRUE
-        hostCombos = list( itertools.combinations( main.hostMACs, 2 ) ) 
-        
-        intentIdList = []
-        time1 = time.time()
-        
-        for i in xrange( 0, len( hostCombos ), int(main.numCtrls) ):
-            pool = []
-            for cli in main.CLIs:
-                if i >= len( hostCombos ):
-                    break
-                t = main.Thread( target=cli.addHostIntent,
-                        threadID=main.threadID,
-                        name="addHostIntent",
-                        args=[hostCombos[i][0],hostCombos[i][1]])
-                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 host intents: %2f seconds" %(time2-time1))
-        intentResult = main.TRUE
-        intentsJson = main.ONOScli2.intents()
-        getIntentStateResult = main.ONOScli1.getIntentState(intentsId = intentIdList,
-                intentsJson = intentsJson)
-        print getIntentStateResult
-
-        main.step( "Verify Ping across all hosts" )
-        pingResult = main.FALSE
-        time1 = time.time()
-        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
-        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="PING ALL PASS",
-                                 onfail="PING ALL FAIL" )
-
-        case14Result = ( intentResult and pingResult )
-        
-        utilities.assert_equals(
-            expect=main.TRUE,
-            actual=case14Result,
-            onpass="Install 300 Host Intents and Ping All test PASS",
-            onfail="Install 300 Host Intents and Ping All test FAIL" )
-
-    def CASE15( 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( "_______________________________________" )
-        import itertools
-        
-        main.case( "Install 2278 host intents" )
-        main.step( "Add host Intents" )
-        intentResult = main.TRUE
-        hostCombos = list( itertools.combinations( main.hostMACs, 2 ) ) 
-        main.pingTimeout = 300
-        intentIdList = []
-        time1 = time.time()
-        for i in xrange( 0, len( hostCombos ), int(main.numCtrls) ):
-            pool = []
-            for cli in main.CLIs:
-                if i >= len( hostCombos ):
-                    break
-                t = main.Thread( target=cli.addHostIntent,
-                        threadID=main.threadID,
-                        name="addHostIntent",
-                        args=[hostCombos[i][0],hostCombos[i][1]])
-                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 host intents: %2f seconds" %(time2-time1))
-        intentResult = main.TRUE
-        intentsJson = main.ONOScli2.intents()
-        getIntentStateResult = main.ONOScli1.getIntentState(intentsId = intentIdList,
-                intentsJson = intentsJson)
-        print getIntentStateResult
-
-        main.step( "Verify Ping across all hosts" )
-        pingResult = main.FALSE
-        time1 = time.time()
-        pingResult = main.Mininet1.pingall(timeout=main.pingTimeout)
-        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="PING ALL PASS",
-                                 onfail="PING ALL FAIL" )
-
-        case15Result = ( intentResult and pingResult )
-        
-        utilities.assert_equals(
-            expect=main.TRUE,
-            actual=case15Result,
-            onpass="Install 2278 Host Intents and Ping All test PASS",
-            onfail="Install 2278 Host Intents and Ping All test FAIL" )
-
     def CASE99(self):
         import time
         # WORK AROUND FOR ONOS-581. STOP ONOS BEFORE ASSIGNING CONTROLLERS AT MININET & START ONCE DONE
diff --git a/TestON/tests/OnosCHO/OnosCHO.topo b/TestON/tests/OnosCHO/OnosCHO.topo
index 161b89c..9b0c3e7 100644
--- a/TestON/tests/OnosCHO/OnosCHO.topo
+++ b/TestON/tests/OnosCHO/OnosCHO.topo
@@ -2,7 +2,7 @@
     <COMPONENT>
 
         <ONOSbench>
-            <host>10.128.40.40</host>
+            <host>10.128.10.20</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosDriver</type>
@@ -13,7 +13,7 @@
         </ONOSbench>
 
         <ONOScli1>
-            <host>10.128.40.40</host>
+            <host>10.128.10.20</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -22,7 +22,7 @@
         </ONOScli1>
 
 	 <ONOScli2>
-            <host>10.128.40.40</host>
+            <host>10.128.10.20</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -31,7 +31,7 @@
         </ONOScli2>
 
 	 <ONOScli3>
-            <host>10.128.40.40</host>
+            <host>10.128.10.20</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -40,7 +40,7 @@
         </ONOScli3>
 
         <ONOScli4>
-            <host>10.128.40.40</host>
+            <host>10.128.10.20</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -49,7 +49,7 @@
         </ONOScli4>
 
 	 <ONOScli5>
-            <host>10.128.40.40</host>
+            <host>10.128.10.20</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -58,7 +58,7 @@
         </ONOScli5>
 	
         <ONOS1>
-            <host>10.128.40.41</host>
+            <host>10.128.10.21</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -67,7 +67,7 @@
         </ONOS1>
 
 	<ONOS2>
-            <host>10.128.40.42</host>
+            <host>10.128.10.22</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -76,7 +76,7 @@
         </ONOS2>
 	
 	<ONOS3>
-            <host>10.128.40.43</host>
+            <host>10.128.10.23</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -85,7 +85,7 @@
         </ONOS3>
 
         <ONOS4>
-            <host>10.128.40.44</host>
+            <host>10.128.10.24</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -94,7 +94,7 @@
         </ONOS4>
 
 	<ONOS5>
-            <host>10.128.40.45</host>
+            <host>10.128.10.25</host>
             <user>admin</user>
             <password>onos_test</password>
             <type>OnosCliDriver</type>
@@ -116,20 +116,6 @@
                 <controller> remote </controller>
             </COMPONENTS>
         </Mininet1>
-
-        <Mininet2>
-            <host>10.128.40.50</host>
-            <user>admin</user>
-            <password>onos_test</password>
-            <type>RemoteMininetDriver</type>
-            <connect_order>13</connect_order>
-            <COMPONENTS>
-                #Specify the Option for mininet
-                <arg1> --custom ~/mininet/custom/att-mpls-topo.py </arg1>
-                <arg2> --topo att </arg2>
-                <arg3> --link tc --switch ovs,protocols=OpenFlow13 </arg3>
-                <controller> remote </controller>
-            </COMPONENTS>
-        </Mininet2>
     </COMPONENT>
+
 </TOPOLOGY>