Cisco Bug: CSCuo93631 - N7K MAC address in hardware but missing from software after ISSU
Jan 25, 2019
- Cisco Nexus 7000 Series Switches
Known Affected Releases
7.1(0)D1(0.143) 7.1(0)D1(0.146) 7.1(0)D1(0.153)
Symptom: Nexus 7000 does not learn new MAC addresses in software after ISSU. "show hardware mac address-table <x>" contains MAC entry in hardware (x = ingress module in question) "show mac address-table" does not contain MAC entry in software Conditions: a) ISSU performed on N7K b) In combination with ISSU, a new learn mac address caused by a new mac, or a flush of the mac table and re-learn of existing macs while system is undergoing ISSU.
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