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Cisco Bug: CSCup27399 - mcast nsr/issu: traffic lost during rp fo due to igmp join expired

Last Modified

Aug 07, 2018

Products (1)

  • Cisco Network Convergence System 6000 Series Routers

Known Affected Releases

5.2.2.MCAST 5.2.3.BASE

Description (partial)

IGMP states may timeout after an RP Failover. This results in traffic loss for multicast routes.

This issue is seen after an RP FO. It can typically be seen if one of the Failover Tiers before IGMP has a TIMEOUT. The command to verify this is "show process failover".
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