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Cisco Bug: CSCul54595 - Cluster issues in MAC learning area

Last Modified

Oct 24, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.2.1.BASE 4.3.0.BASE 5.1.0.BASE

Description (partial)

Symptom:
1. If a MAC is learned on a physical AC on local rack,  the MAC may not be displayed on LCs in remote rack via CLI show l2vpn forwarding mac location <>.

2. If a MAC is learned on a physical AC on local rack first and it then moves to an AC on remote LC,  MAC security feature may fail to log such a MAC move.

3. If a MAC is learned on a physical AC on local rack and LCs in remote rack detect a MAC move violation, the violation may fail to be reported to host via MAC security feature.

Conditions:
In a cluster router, MAC address is learned on a physical AC.
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