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Cisco Bug: CSCuj39418 - Incorrect fwd-intf entries in mcast db following PRE SO

Last Modified

Feb 04, 2017

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases

12.2(33)SCH

Description (partial)

Symptom:
Multicast traffic stops forwarding to some CPE / modems following a PRE switchover event. The multicast database entries reflect an invalid forwarding interface for multicast traffic when compared to the modems primary forward interfaces reported in "show cable modem" output.

Conditions:
The issue is observed with multicast traffic after a PRE switchover event (such as OIR, crash, or CLI switchover).
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