Cisco Bug: CSCuq00715 - Multicast packets are not forwarded to OIL even with correct RPF check
Sep 14, 2019
- Cisco 2900 Series Integrated Services Routers
Known Affected Releases
Symptom: No (S,G) mroute entries are created on the router for certain multicast groups that have active senders and interested receivers. Output of "show ip cache flow" command reveals that the multicast packets are dropped (sent to Null interface). r1803b#show ip cache flow <--- Output truncated ---> SrcIf SrcIPaddress DstIf DstIPaddress Pr SrcP DstP Pkts Gi0/0 10.16.32.216 Null 220.127.116.11 11 08FF 1985 6829 <=== Destination is Null interface. Gi0/0 10.16.32.216 Null 18.104.22.168 11 08FD 1983 211 <=== Destination is Null interface. Gi0/1.13 172.24.99.27 Local 10.242.200.195 11 007B 007B 3 Gi0/0 10.16.32.33 Null 22.214.171.124 11 0523 3E9C 4 <=== Destination is Null interface. <--- Output truncated ---> Conditions: Unknown.
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Bug Details Include
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