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: (126.96.36.199/32, 188.8.131.52/32), 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.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.
Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases