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Cisco Bug: CSCsz24167 - IGMP does not update MRIB after interface changes VRF

Last Modified

May 16, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

3.5.2.BASE 3.8.0.MCAST

Description (partial)

Symptom:
After moving an interface with multicast enabled from one VRF to another one, there is an IGMP syslog error similar to:
igmp[213]: %ROUTING-IPV4_IGMP-3-IDB_VERIFY1_ERR : VRF Te0402Te0403: Interface TenGigE0_4_0_2 has configured under context vrf0 already
No S,G state is inserted into MRIB for the affected VRF.

Conditions:
The interface in question must have belonged to a different VRF before it was configured under the affected VRF.
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