Cisco Bug: CSCte43607 - MAC address flooding after vPC shutdown
Feb 07, 2017
- Cisco Nexus 7000 Series Switches
Known Affected Releases
Symptom: When the vPC Peer link between two N7K is broken, traffic flooding is seen throughout the test network. Conditions: vPC Peer Link is broken at aggregation layer between 2 N7Ks. An ungraceful_shut on the member ports of the vPC on the N7k is observed. On the N5k, an Out_of_Sync_PDU is received. The N5k then tries to flap the port and then sends out a TCN to the N7k.
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Bug Details Include
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