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Cisco Bug: CSCvi66905 - PIM Auto-RP packets are dropped after cluster master switchover

Last Modified

Oct 02, 2018

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.8(2)

Description (partial)

Symptom:
After the cluster master switcover:

1. PIM group-to-RP mappings on multicast-enabled devices are timing out and eventually are removed from the mapping table.
2. Multicast PIM Auto-RP packets are silently dropped on the new cluster master. 
Packets to 224.0.1.39 and 224.0.1.40 addresses arrive on the ingress interface but do not leave the firewall via the egress interface.
3. Mutlicast-enabled device do to receive multicast data plane traffic.

Conditions:
- Mutlicast routing is enabled on the firewall.
- PIM Auto-RP is used to propagate multicast control plane traffic.
- Cluster master switched over.
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