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Cisco Bug: CSCvv13021 - mLDP+BVI+netflow+igmpsn: Core->AC mcast traffic dropped @ MDF_DROP_EGR_PORT_NO_MATCH on Tomahawk

Last Modified

Sep 02, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)


L2MC traffic drops when traffic is egressing from BVI

All the following conditions must be satisfied to hit the issue.
 - L3 multicast traffic is egressing to BVI.
 - BD corresponding to the BVI has IGMP snooping enabled
 - Netflow is configured on the BVI in the egress direction
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