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<img src="https://jenkins.onosproject.org/view/QA/job/postjob-Fabric4/lastSuccessfulBuild/artifact/SRMulticast_master_20-builds_graph.jpg", alt="SRMulticast", style="width:525px;height:350px;border:0">

commit 0488c73c2013804efe40e98621b29792331b33ad a17b3a14f355f1ccf97d593037545fa5e36f9efd (HEAD -] master, origin/master, origin/HEAD)
Author: Jian Li Charles Chan [pyguni@gmailrascov@gmail.com]
AuthorDate: Fri Sun Sep 16 14 20:5330:07 19 2018 +0900-0700
Commit: Jian Li Charles Chan [pyguni@gmailcharles@opennetworking.comorg]
CommitDate: Sat Sun Sep 15 0116 22:3816:56 52 2018 +0900
Fix: resolve a set of NPEs and WARNs caused by null instance port0000

Implement CLI for black hole routes
--
(cherry picked from commit feadacb580e7d2c325453b3afe474049d27d11d8)

Case 1: Create a Multicast flow between a source and sink on the same dual-tor leaf - PASS

...

• 7.1 Apply cell to environment - PASS
• 7.2 Uninstalling Atomix - PASS
• 7.3 Uninstalling ONOS package - PASS
• 7.4 Installing Atomix - PASS
• 7.5 Installing ONOS package - PASS
• 7.6 Set up ONOS secure SSH - PASS
• 7.7 Checking ONOS service - PASS
• 7.8 Starting ONOS CLI sessions - PASS
• 7.9 Checking ONOS nodes - PASS
• 7.10 Checking ONOS applications - PASS
• 7.11 Load configurations - PASS
• 7.12 Starting Mininet Topology - PASS
• 7.13 Start Scapy CLIs - No Result
• 7.14 Verify host IP address assignment in ONOS - PASS
• 7.15 Verify IP address assignment from hosts - PASS
• 7.16 Install ipv4 multicast route - No Result
• 7.17 Verify ipv4 multicast traffic - PASS
• 7.18 Install ipv6 multicast route - No Result
• 7.19 Verify ipv6 multicast traffic - PASS
• 7.20 Remove ipv6 route - No Result
• 7.21 Remove sink 00:AA:00:00:00:03/None of route ipv4 - No Result
• 7.22 Verify ipv4 multicast traffic - PASS
• 7.23 Remove sink 00:AA:00:00:00:06/None of route ipv4 - No Result
• 7.24 Verify ipv4 multicast traffic - PASS
• 7.25 Remove source [u'00:AA:00:00:00:02/None'] of route ipv4 - No Result
• 7.26 Verify ipv4 multicast traffic - PASS
• 7.27 Stopping Mininet - PASS

Case 8: Use all of the four sinks -

...

PASS

• 8.1 Apply cell to environment - PASS
• 8.2 Uninstalling Atomix - PASS
• 8.3 Uninstalling ONOS package - PASS
• 8.4 Installing Atomix - PASS
• 8.5 Installing ONOS package - PASS
• 8.6 Set up ONOS secure SSH - PASS
• 8.7 Checking ONOS service - PASS
• 8.8 Starting ONOS CLI sessions - PASS
• 8.9 Checking ONOS nodes - PASS
• 8.10 Checking ONOS applications - PASS
• 8.11 Load configurations - PASS
• 8.12 Starting Mininet Topology - PASS
• 8.13 Start Scapy CLIs - No Result
• 8.14 Verify host IP address assignment in ONOS - FAIL
• Verify ONOS host IP failed
• PASS
• 8.15 Stopping Mininet Verify IP address assignment from hosts - PASS
• Skipping the rest of this case.

Case 101: Combines CASE8 with a link failure (link ingress-spine) - PASS

• 8.16 Install ipv4 multicast route - No Result
• 8.17 Verify ipv4 multicast traffic 101.1 Apply cell to environment - PASS
• 101.2 Uninstalling Atomix - PASS
• 8.18 Install ipv6 multicast route - No Result
• 8.19 Verify ipv6 multicast traffic 101.3 Uninstalling ONOS package - PASS
• 8.20 Remove ipv6 route - No Result
• 8.21 Remove sink 00:AA:00:00:00:03/None of route ipv4 - No Result
• 8.22 Verify ipv4 multicast traffic - PASS
• 8.23 Remove sink 00:AA:00:00:00:06/None of route ipv4 - No Result
• 8.24 Verify ipv4 multicast traffic - PASS
• 8.25 Remove source [u'00:AA:00:00:00:02/None'] of route ipv4 - No Result
• 8.26 Verify ipv4 multicast traffic - PASS
• 8.27 Stopping Mininet - PASS

Case 101: Combines CASE8 with a link failure (link ingress-spine) - PASS

• 101.1 Apply cell to environment - PASS
• 101.2 Uninstalling Atomix - PASS
• 101.3 Uninstalling ONOS package - PASS
• 101.4 Installing Atomix - PASS
• 101.5 Installing ONOS package - PASS
• 101.4 Installing Atomix - PASS
• 101.5 Installing ONOS package - PASS
• 101.6 Set up ONOS secure SSH - PASS
• 101.7 Checking ONOS service - PASS
• 101.8 Starting ONOS CLI sessions - PASS
• 101.9 Checking ONOS nodes - PASS
• 101.10 Checking ONOS applications - PASS
• 101.11 Load configurations - PASS
• 101.12 Starting Mininet Topology - PASS
• 101.13 Start Scapy CLIs - No Result
• 101.14 Verify host IP address assignment in ONOS - PASS
• 101.15 Verify IP address assignment from hosts - PASS
• 101.16 Install ipv4 multicast route - No Result
• 101.17 Verify ipv4 multicast traffic - PASS
• 101.18 Install ipv6 multicast route - No Result
• 101.19 Verify ipv6 multicast traffic - PASS
• 101.20 Killing a batch of links [['leaf2', 'spine101']] - PASS
• 101.21 Verify ipv4 multicast traffic - PASS
• 101.22 Verify ipv6 multicast traffic - PASS
• 101.23 Restoring a batch of links [['leaf2', 'spine101']] - PASS
• 101.24 Verify ipv4 multicast traffic - PASS
• 101.25 Verify ipv6 multicast traffic - PASS
• 101.26 Remove ipv6 route - No Result
• 101.27 Remove sink 00:AA:00:00:00:03/None of route ipv4 - No Result
• 101.28 Verify ipv4 multicast traffic - PASS
• 101.29 Remove sink 00:AA:00:00:00:06/None of route ipv4 - No Result
• 101.30 Verify ipv4 multicast traffic - PASS
• 101.31 Remove source [u'00:AA:00:00:00:02/None'] of route ipv4 - No Result
• 101.32 Verify ipv4 multicast traffic - PASS
• 101.33 Stopping Mininet - PASS

...

• 202.1 Apply cell to environment - PASS
• 202.2 Uninstalling Atomix - PASS
• 202.3 Uninstalling ONOS package - PASS
• 202.4 Installing Atomix - PASS
• 202.5 Installing ONOS package - PASS
• 202.6 Set up ONOS secure SSH - PASS
• 202.7 Checking ONOS service - PASS
• 202.8 Starting ONOS CLI sessions - PASS
• 202.9 Checking ONOS nodes - PASS
• 202.10 Checking ONOS applications - PASS
• 202.11 Load configurations - PASS
• 202.12 Starting Mininet Topology - PASS
• 202.13 Start Scapy CLIs - No Result
• 202.14 Verify host IP address assignment in ONOS - PASS
• 202.15 Verify IP address assignment from hosts - PASS
• 202.16 Install ipv4 multicast route - No Result
• 202.17 Verify ipv4 multicast traffic - PASS
• 202.18 Install ipv6 multicast route - No Result
• 202.19 Verify ipv6 multicast traffic - PASS
• 202.20 Kill ['leaf2'] - PASS
• 202.21 Verify ipv4 multicast traffic - PASS
• 202.22 Verify ipv6 multicast traffic - PASS
• 202.23 Recovering ['leaf2'] - PASS
• 202.24 Verify locations of hosts ['h3v4', 'h4v4', 'h3v6'] - PASS
• 202.25 Verify ipv4 multicast traffic - PASS
• 202.26 Verify ipv6 multicast traffic - PASS
• 202.27 Remove ipv6 route - No Result
• 202.28 Remove sink 00:AA:00:00:00:08/60 of route ipv4 - No Result
• 202.29 Verify ipv4 multicast traffic - PASS
• 202.30 Remove sink 00:AA:00:00:00:06/None of route ipv4 - No Result
• 202.31 Verify ipv4 Verify ipv6 multicast traffic - PASS
• 202.27 Remove ipv6 route - No Result
• 202.32 Remove source [u'28 Remove sink 00:AA:00:00:00:0208/None'] 60 of route ipv4 - No Result
• 202.33 Verify ipv4 multicast traffic - PASS
• 202.34 Stopping Mininet - PASS

Case 203: Combines CASE8 with egress-dt-leaf failure and recovery - PASS

• 202.29 Verify ipv4 multicast traffic
• 203.1 Apply cell to environment - PASS
• 203.2 Uninstalling Atomix - PASS
• 203.3 Uninstalling ONOS package - PASS
• 203.4 Installing Atomix - PASS
• 203.5 Installing ONOS package - PASS
• 203.6 Set up ONOS secure SSH - PASS
• 202.30 Remove sink 00:AA:00:00:00:06/None of route ipv4 - No Result
• 202.31 Verify ipv4 multicast traffic 203.7 Checking ONOS service - PASS
• 203.8 Starting ONOS CLI sessions - PASS
• 202.32 Remove source [u'00:AA:00:00:00:02/None'] of route ipv4 - No Result
• 202.33 Verify ipv4 multicast traffic 203.9 Checking ONOS nodes - PASS 203.10 Checking ONOS applications
• 202.34 Stopping Mininet - PASS

Case 203: Combines CASE8 with egress-dt-leaf failure and recovery - FAIL

• 203.1 Apply cell to environment
• 203.11 Load configurations - PASS
• 203.12 Starting Mininet Topology - PASS
• 203.13 Start Scapy CLIs - No Result 2 Uninstalling Atomix - PASS
• 203.14 Verify host IP address assignment in ONOS 3 Uninstalling ONOS package - PASS
• 203.15 Verify IP address assignment from hosts 4 Installing Atomix - PASS
• 203.16 Install ipv4 multicast route - No Result 203.17 Verify ipv4 multicast traffic - 5 Installing ONOS package - PASS
• 203.6 Set up ONOS secure SSH - PASS
• 203.7 Checking ONOS service 18 Install ipv6 multicast route - No Result 203.19 Verify ipv6 multicast traffic - PASS
• 203.20 Kill ['leaf5'] 8 Starting ONOS CLI sessions - PASS
• 203.21 Verify ipv4 multicast traffic 9 Checking ONOS nodes - PASS
• 203.22 Verify ipv6 multicast traffic 10 Checking ONOS applications - PASS
• 203.23 Recovering ['leaf5'] 11 Load configurations - PASS
• 203.24 Verify locations of hosts ['h10v4'] 12 Starting Mininet Topology - PASS
• 203.13 Start Scapy CLIs - No Result
• 203.25 Verify ipv4 multicast traffic 14 Verify host IP address assignment in ONOS - PASS
• 203.26 Verify ipv6 multicast traffic 15 Verify IP address assignment from hosts - PASS
• 203.27 Remove ipv6 16 Install ipv4 multicast route - No Result
• 203.28 Remove sink 00:AA:00:00:00:08/60 of route ipv4 - No Result 203.29 17 Verify ipv4 multicast traffic - PASS
• 203.30 Remove sink 00:AA:00:00:00:06/None of route ipv4 18 Install ipv6 multicast route - No Result
• 203.31 19 Verify ipv4 ipv6 multicast traffic - PASS
• 203.32 Remove source 20 Kill [u'00:AA:00:00:00:02/None'] of route ipv4 - No Result 'leaf5'] - PASS
• 203.33 21 Verify ipv4 multicast traffic - PASS FAIL
• Verify ipv4 multicast traffic: Fail
• 203.34 22 Stopping Mininet - PASS
• Skipping the rest of this case.

Case 204: Combines CASE8 with egress-st-leaf failure and recovery -

...

FAIL

• 204.1 Apply cell to environment - PASS
• 204.2 Uninstalling Atomix - PASS
• 204.3 Uninstalling ONOS package - PASS
• 204.4 Installing Atomix - PASS
• 204.5 Installing ONOS package - PASS
• 204.6 Set up ONOS secure SSH - PASS
• 204.7 Checking ONOS service - PASS
• 204.8 Starting ONOS CLI sessions - PASS
• 204.9 Checking ONOS nodes - PASS
• 204.10 Checking ONOS applications - PASS
• 204.11 Load configurations - PASS
• 204.12 Starting Mininet Topology - PASS
• 204.13 Start Scapy CLIs - No Result
• 204.14 Verify host IP address assignment in ONOS - PASS
• 204.15 Verify IP address assignment from hosts - PASS
• 204.16 Install ipv4 multicast route - No Result
• 204.17 Verify ipv4 multicast traffic - PASS
• 204.18 Install ipv6 multicast route - No Result
• 204.19 Verify ipv6 multicast traffic - PASS
• 204.20 Kill ['leaf4'] - PASS
• 204.21 Verify ipv4 multicast traffic - PASS 204.22 Verify ipv6 multicast traffic FAIL
• Verify ipv4 multicast traffic: Fail
• 204.22 Stopping Mininet - PASS
• Skipping the rest of this case.

Case 205: Combines CASE8 with leaves failure and recovery - PASS

• 205.1 Apply cell to environment - PASS
• 205.2 Uninstalling Atomix - PASS 204.
• 23 Recovering ['leaf4'] 205.3 Uninstalling ONOS package - PASS 204.24 Verify locations of
• hosts ['h8v4', 'h10v4'] 205.4 Installing Atomix - PASS
• 204.25 Verify ipv4 multicast traffic 205.5 Installing ONOS package - PASS 204.26 Verify ipv6 multicast traffic
• 205.6 Set up ONOS secure SSH - PASS
• 204.27 Remove ipv6 route - No Result
• 204.28 Remove sink 00:AA:00:00:00:08/60 of route ipv4 - No Result
• 205.7 Checking ONOS service - PASS
• 205.8 Starting ONOS CLI sessions - PASS
• 205.9 Checking ONOS nodes 204.29 Verify ipv4 multicast traffic - PASS
• 204.30 Remove sink 00:AA:00:00:00:06/None of route ipv4 - No Result
• 205.10 Checking ONOS applications - PASS
• 205.11 Load configurations - PASS
• 205.12 Starting Mininet Topology 204.31 Verify ipv4 multicast traffic - PASS
• 204.32 Remove source [u'00:AA:00:00:00:02/None'] of route ipv4 205.13 Start Scapy CLIs - No Result
• 204 205.33 Verify ipv4 multicast traffic 14 Verify host IP address assignment in ONOS - PASS 204.34 Stopping
• Mininet 205.15 Verify IP address assignment from hosts - PASS

...

• 205.16 Install ipv4 multicast route - No Result
• 205.17 Verify ipv4 multicast traffic 1 Apply cell to environment - PASS 205.2 Uninstalling Atomix - PASS
• 205.3 Uninstalling ONOS package - PASS 18 Install ipv6 multicast route - No Result
• 205.4 Installing Atomix 19 Verify ipv6 multicast traffic - PASS
• 205.5 Installing ONOS package 20 Kill ['leaf1', 'leaf3', 'leaf4', 'leaf5'] - PASS
• 205.6 Set up ONOS secure SSH 21 Verify ipv4 multicast traffic - PASS
• 205.7 Checking ONOS service 22 Verify ipv6 multicast traffic - PASS
• 205.8 Starting ONOS CLI sessions 23 Recovering ['leaf1', 'leaf3', 'leaf4', 'leaf5'] - PASS
• 205.9 Checking ONOS nodes 24 Verify locations of hosts ['h8v4', 'h10v4', 'h1v6', 'h4v4'] - PASS
• 205.10 Checking ONOS applications 25 Verify ipv4 multicast traffic - PASS
• 205.11 Load configurations 26 Verify ipv6 multicast traffic - PASS
• 205.12 Starting Mininet Topology - PASS 205.13 Start Scapy CLIs - 27 Remove ipv6 route - No Result
• 205.14 Verify host IP address assignment in ONOS - PASS
• 205.15 Verify IP address assignment from hosts - PASS
• 205.16 Install ipv4 multicast route 28 Remove sink 00:AA:00:00:00:08/60 of route ipv4 - No Result
• 205.17 29 Verify ipv4 multicast traffic - PASS
• 205.18 Install ipv6 multicast route 30 Remove sink 00:AA:00:00:00:06/None of route ipv4 - No Result
• 205.19 31 Verify ipv6 ipv4 multicast traffic - PASS
• 205.20 Kill 32 Remove source ['leaf1', 'leaf3', 'leaf4', 'leaf5'] - PASS u'00:AA:00:00:00:02/None'] of route ipv4 - No Result
• 205.33 205.21 Verify ipv4 multicast traffic - FAIL
Verify ipv4 multicast traffic: Fail
• PASS
• 205.22 34 Stopping Mininet - PASS
• Skipping the rest of this case.

Case 301: Combines CASE8 with leaves failure and recovery - PASS

...

• 301.1 Apply cell to environment - PASS
• 301.2 Uninstalling Atomix - PASS
• 301.3 Uninstalling ONOS package - PASS
• 301.4 Installing Atomix - PASS
• 301.5 Installing ONOS package - PASS
• 301.6 Set up ONOS secure SSH - PASS
• 301.7 Checking ONOS service - PASS
• 301.8 Starting ONOS CLI sessions - PASS
• 301.9 Checking ONOS nodes - PASS
• 301.10 Checking ONOS applications - PASS
• 301.11 Load configurations - PASS
• 301.12 Starting Mininet Topology - PASS
• 301.13 Start Scapy CLIs - No Result
• 301.14 Verify host IP address assignment in ONOS - PASS
• 301.15 Verify IP address assignment from hosts - PASS
• 301.16 Install ipv4 multicast route - No Result
• 301.17 Verify ipv4 multicast traffic - PASS
• 301.18 Install ipv6 multicast route - No Result
• 301.19 Verify ipv6 multicast traffic - PASS
• 301.20 Killing ONOS instances with index(es): [0] - PASS
• 301.21 Check number of topology elements - PASS
• 301.22 Verify ipv4 multicast traffic - PASS
• 301.23 Verify ipv6 multicast traffic - PASS
• 301.24 Recovering ONOS instances with index(es): [0] - PASS
• 301.25 Checking if ONOS CLI is ready - PASS
• 301.26 Checking ONOS nodes - PASS
• 301.27 Check number of topology elements - PASS
• 301.28 Verify ipv4 multicast traffic - PASS
• 301.29 Verify ipv6 multicast traffic - PASS
• 301.30 Killing ONOS instances with index(es): [1] - PASS
• 301.31 Check number of topology elements - PASS
• 301.32 Verify ipv4 multicast traffic - PASS
• 301.33 Verify ipv6 multicast traffic - PASS
• 301.34 Recovering ONOS instances with index(es): [1] - PASS
• 301.35 Checking if ONOS CLI is ready - PASS
• 301.36 Checking ONOS nodes - PASS
• 301.37 Check number of topology elements - PASS
• 301.38 Verify ipv4 multicast traffic - PASS
• 301.39 Verify ipv6 multicast traffic - PASS
• 301.40 Killing ONOS instances with index(es): [2] - PASS
• 301.41 Check number of topology elements - PASS
• 301.42 Verify ipv4 multicast traffic - PASS
• 301.43 Verify ipv6 multicast traffic - PASS
• 301.44 Recovering ONOS instances with index(es): [2] - PASS
• 301.45 Checking if ONOS CLI is ready - PASS
• 301.46 Checking ONOS nodes - PASS
• 301.47 Check number of topology elements - PASS
• 301.48 Verify ipv4 multicast traffic - PASS
• 301.49 Verify ipv6 multicast traffic - PASS
• 301.50 Remove ipv6 route - No Result
• 301.51 Remove sink 00:AA:00:00:00:08/60 of route ipv4 - No Result
• 301.52 Verify ipv4 multicast traffic - PASS
• 301.53 Remove sink 00:AA:00:00:00:06/None of route ipv4 - No Result
• 301.54 Verify ipv4 multicast traffic - PASS
• 301.55 Remove source [u'00:AA:00:00:00:02/None'] of route ipv4 - No Result
• 301.56 Verify ipv4 multicast traffic - PASS
• 301.57 Stopping Mininet - PASS

Case 401: Extends MCAST105 -

...

FAIL

• 401.1 Apply cell to environment - PASS
• 401.2 Uninstalling Atomix - PASS
• 401.3 Uninstalling ONOS package - PASS
• 401.4 Installing Atomix - PASS
• 401.5 Installing ONOS package - PASS
• 401.6 Set up ONOS secure SSH - PASS
• 401.7 Checking ONOS service - PASS
• 401.8 Starting ONOS CLI sessions - PASS
• 401.9 Checking ONOS nodes - PASS
• 401.10 Checking ONOS applications - PASS
• 401.11 Load configurations - PASS
• 401.12 Starting Mininet Topology - PASS
• 401.13 Start Scapy CLIs - No Result
• 401.14 Verify host IP address assignment in ONOS - PASS
• 401.15 Verify IP address assignment from hosts - PASS
• 401.16 Install ipv4 multicast route - No Result
• 401.17 Verify ipv4 multicast traffic - PASS
• 401.18 Install ipv6 multicast route - No Result
• 401.19 Verify ipv6 multicast traffic - PASS
• 401.20 Disable port of:0000000000000002/10 - No Result
• 401.21 Verify ipv4 multicast traffic - PASS
• 401.22 Verify ipv6 multicast traffic - PASS
• 401.23 Enable port of:0000000000000002/10 - No Result
• 401.24 Verify locations of hosts ['h4v4'] - PASS
• 401.25 Verify ipv4 multicast traffic - PASS
• 401.26 Verify ipv6 multicast traffic - PASS
• 401.27 20 Disable port of:00000000000000030000000000000002/10 - No Result
• 401.28 21 Verify ipv4 multicast traffic - PASS
• 401.29 22 Verify ipv6 multicast traffic - PASS
• 401.30 23 Enable port of:00000000000000030000000000000002/10 - No Result
• 401.31 24 Verify locations of hosts ['h4v4'] - PASS
• 401.32 25 Verify ipv4 multicast traffic - PASS
• 401.33 26 Verify ipv6 multicast traffic - PASS
• 401.34 27 Disable port of:00000000000000040000000000000003/11 10 - No Result
• 401.35 28 Verify ipv4 multicast traffic - PASS
• 401.36 29 Verify ipv6 multicast traffic - PASS
• 401.37 30 Enable port of:00000000000000040000000000000003/11 10 - No Result
• 401.38 31 Verify locations of hosts ['h10v4h4v4'] - PASS
• 401.39 32 Verify ipv4 multicast traffic - PASS
• 401.40 33 Verify ipv6 multicast traffic - PASS
• 401.41 34 Disable port of:00000000000000050000000000000004/10 11 - No Result
• 401.42 Verify ipv4 multicast traffic - PASS
• 401.43 Verify ipv6 multicast traffic - PASS
• 401.44 Enable port of:0000000000000005/10 - No Result
• 401.45 Verify locations of hosts ['h10v4'] - PASS
• 401.46 35 Verify ipv4 multicast traffic - PASS
• 401.47 36 Verify ipv6 multicast traffic - PASS
• 401.37 Enable port of:0000000000000004/11 - No Result
• 401.48 Kill 38 Verify locations of hosts ['leaf3h10v4'] - PASS
• 401.49 39 Verify ipv4 multicast traffic - PASS
• 401.50 40 Verify ipv6 multicast traffic - PASS
• 401.51 Recovering ['leaf3'] - PASS
• 401.52 Verify locations of hosts ['h4v4'] - PASS
• 41 Disable port of:0000000000000005/10 - No Result
• 401.42 401.53 Verify ipv4 multicast traffic - PASS
• 401.54 43 Verify ipv6 multicast traffic - PASS
• 401.55 Remove ipv6 route - No Result 401.56 Remove sink 00:AA:00:00:00:08/60 of route ipv4 44 Enable port of:0000000000000005/10 - No Result
• 401.57 Verify ipv4 multicast traffic 45 Verify locations of hosts ['h10v4'] - PASS
• 401.58 Remove sink 00:AA:00:00:00:06/None of route ipv4 - No Result 46 Verify ipv4 multicast traffic - PASS
• 401.59 47 Verify ipv4 ipv6 multicast traffic - PASS
• 401.60 Remove source 48 Kill [u'00:AA:00:00:00:02/None'] of route ipv4 - No Result 'leaf3'] - PASS
• 401.61 49 Verify ipv4 multicast traffic - PASS FAIL
• Verify ipv4 multicast traffic: Fail
• 401.62 50 Stopping Mininet - PASS
• Skipping the rest of this case.

Case 402: No downstream path for DTH2 - PASS

...