Cisco Bug: CSCvs66240 - vPC interfaces flaps during switch replacement
Jan 21, 2020
- Cisco Nexus 9000 Series Switches
Known Affected Releases
Symptom: During leaf replacement vpc ports (map-pinning mode) are flapped on existing switch in vpc pair Conditions: switch is being replaced as per the procedure: - Before connecting the switch to the fabric, setup-clean-config.sh executed and then switch reloaded - Remove the old switch from the controller + waiting 15-20 minutes. - Connecting the new switch to the fabric ( just the uplinks to both Spines ) - Start the registration process - Just once the new node becomes active in the fabric, the vPC has flapped.
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Bug Details Include
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