Cisco Bug: CSCup67365 - FIB MCAST route del failed, when interface enabled with non-default vrf

Last Modified

Oct 27, 2020

Products (5)

Cisco Nexus 9000 Series Switches
Cisco Nexus 9396PX Switch
Cisco Nexus 9504 Switch
Cisco Nexus 9508 Switch
Cisco Nexus 93128TX Switch

Known Affected Releases

6.1(2)I2(3)

Description (partial)

Symptom:
Nexus 9000 switch can experience the following messages due to L2 multicast route add/deletion at repeated intervals.

%IPFIB-SLOT1-2-FIB_MCAST_ROUTE_DELETION_FAILED: FIB MCAST route deletion failed

Conditions:
Interface enabled with igmp snooping (which is enabled by default) and without PIM enabled on the it. Issue can happen if non default vrf is configured on the Interface.

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