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Cisco Bug: CSCuq26443 - Nexus 3500: IGMPv2 leave messages sent back to ingress intferface

Last Modified

Feb 01, 2017

Products (1)

  • Cisco Nexus 3000 Series Switches

Known Affected Releases

6.0(2)A3(2.60)

Description (partial)

Symptom:
In an IGMP snooping environment, when a Nexus 3548 receives an IGMPv2 packet, it may send it back out on the receiving interfaces.

Conditions:
This has been observed when a IGMPv2 general leave with destination IP 224.0.0.1 (instead of 224.0.0.2) was received.

It may also be observed with valid IGMPv2 general leave packets (destined to 224.0.0.2) when IGMP snooping is disabled.

incorrect IGMP membership report (destination 224.0.0.2)
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