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Cisco Bug: CSCum51798 - MAC table out of sync when CE MAC is learnt from L2Fab/Ring Satellite

Last Modified

Oct 24, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.1.1.BASE

Description (partial)

Symptom:
Source Mac address received from a satellite AC is only seen to be learnt on the NP that it is rec'd on and not on all NPs. An end user may find this MAC entry missing from the output of the CLI ?show l2vpn forward ..? .

Conditions:
In VPLS bridge domain, the source MAC address of a L2 frame received from Satellite AC is learned only on one NP - the NP received the frame from wire. All other NPs/LCs in the system do not learn the MAC entry, this is the state called MAC table out of sync among NPs/LCs.
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