Cisco Bug: CSCur22743 - CB40-brk: FP-reg: Duplicate mcast traffic seen after vdc suspend
Jul 05, 2018
- Cisco Nexus 7000 Series Switches
Known Affected Releases
Symptom: Duplicate traffic for VDC suspend trigger on routers in a LAN. This issue can be hit if a one of the switch has L3 multicast route oifs/oils with multiple owners and when the oif/oil is going away on non-DR. Ex: (184.108.40.206/32, 220.127.116.11/32), uptime: 01:01:23, pim mrib ip igmp Incoming interface: Null, RPF nbr: 0.0.0.0 Outgoing interface list: (count: 1) Vlan101, uptime: 00:03:13, pim, mrib Conditions: This can happen on a stand alone IHR or LAN LHR switches which have PIM and IGMP ownership for the same route oif/oil and there is a delete happening for the oif.
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