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Cisco Bug: CSCvv08015 - SDB PSS For EVPN Multi-Site Site ID Has Duplicate Entries

Last Modified

Sep 02, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.3(4)

Description (partial)

Symptom:
A VXLAN Border Gateway is presenting multiple entries in NVE SDB PSS.  Following Supervisor Switchover, ISSU, or NVE process restart the incorrect ESI ID may be restored and result in dual DF scenario where Anycast Border Gateway is in use.

Conditions:
+ N9K (EOR or TOR) configured for EVPN multisite in Anycast Border Gateway and has had the VXLAN ESI ID configuration has been toggled between multiple values:

evpn multisite border-gateway 65535
evpn multisite border-gateway 65531
evpn multisite border-gateway 65535

+Following the above configuration change the device experiences either a Supervisor switchover (only in EOR case), ISSU, or NVE process restart
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