Cisco Bug: CSCuo11084 - VPLS BGP Inter AS Option B - Loss of Connectivity after ASBR SSO
Last Modified
Aug 14, 2017
Products (21)
- Cisco IOS
- Cisco ASR 901-6CZ-FS-D Router
- Cisco ASR 901-6CZ-F-D Router
- Cisco ASR 901S-4SG-F-D Router
- Cisco ME 3600X-24TS-M Switch
- Cisco ASR 901-4C-FT-D Router
- Cisco ASR 901S-2SG-F-AH Router
- Cisco ASR 901S-2SG-F-D Router
- Cisco ASR 901-6CZ-F-A Router
- Cisco ASR 901-6CZ-FT-A Router

Known Affected Releases
15.4(2)S
Description (partial)
Symptom: VPLS BGP Inter-AS Option B in redundant RP ASBR setup. After ASBR SSO there will be loss of connectivity. Label being used by L2VPN VPLS will not be able to retained. Conditions: VPLS BGP Inter-AS Option B ASBR is in redundant RP setup. ASBR is doing SSO. After SSO, expect BGP and L2VPN VPLS no traffic loss, but it has.
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