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Cisco Bug: CSCtd54905 - RSP FO: igmp query with short interval loss due to late igmpsn startup

Last Modified

Jan 08, 2017

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)



In IOS-XR 3.7.3 on ASR9000 configured with igmp snooping configured, multicast traffic loss might be
seen during RSP failover.

This is due to igmp packets loss during the switchover.


Seen if short query interval is used (10 seconds)
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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