Cisco Bug: CSCum07107 - F3+brkout:Overlay adjacencies not up after join interface change in OTV
Last Modified
Jan 31, 2017
Products (1)
- Cisco Nexus 7000 Series Switches
Known Affected Releases
6.2(6)S7
Description (partial)
Symptom: ISIS adjacencies will not form for Overlay1 with the trigger provided in the Conditions section. n7k-tb09-bldchk1-edge# sh otv isis adjacency OTV-IS-IS process: default VPN: Overlay1 -------> All the adjacencies on overlay1 are down. OTV-IS-IS adjacency database: System ID SNPA Level State Hold Time Interface Site-ID OTV-IS-IS process: default VPN: Overlay2 OTV-IS-IS adjacency database: System ID SNPA Level State Hold Time Interface Site-ID 0000.0000.0003 0026.980b.fc42 1 UP 00:01:23 Overlay2 0000.0000.0001 0000.0000.0001 4055.3904.67c2 1 UP 00:01:36 Overlay2 0000.0000.0003 0000.0000.0002 4055.3923.dac2 1 UP 00:01:26 Overlay2 0000.0000.0002 Conditions: Trigger: Change the join interface for Overlay1 to the same join interface for Overlay2. This is essentially allowing two different Overlays to share the same join interface. n7k-tb09-bldchk1-edge(config)# interface Overlay1 n7k-tb09-bldchk1-edge(config-if-overlay)# no otv join-interface Ethernet3/9/3 n7k-tb09-bldchk1-edge(config-if-overlay)# otv join-interface Ethernet3/12/3 <=== Join interface of overlay2
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