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Cisco Bug: CSCvv55774 - N9k/VXLAN VLAN - IGMP snooping enabled, IGMP Membership Query Source pruning failure

Last Modified

Oct 06, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.3(4) 9.3(5)

Description (partial)

Symptom:
IGMP Membership Query is reflected on the same port it was received on leading to MAC flap if there is a downstream switch performing MAC leaning

Conditions:
VXLAN VTEP
feature ngmvpn
VXLAN VLAN with IGMP snooping enabled
IGMP General Query originating on access side
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  • Status
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