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Cisco Bug: CSCuq21917 - Mcast software forwarding when source and receivers are on same BD.

Last Modified

Feb 21, 2018

Products (1)

  • Cisco ASR 920 Series Aggregation Services Router

Known Affected Releases

15.5(1)S 15.5(2)S

Description (partial)

When the receiver and source of a multicast group is in the same bridge domain connected via two different EFPs in the same port, the multicast traffic for that group is being software forwarded. So there are very huge traffic drop in this case.

Source and Receiver on same BD, Same port, different efps.
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