Cisco Bug: CSCtd40754 - ipv6 is not enable in uidb for GRE tunnel interfaces after RP FO
Jan 14, 2017
- Cisco Carrier Routing System
Known Affected Releases
Symptom: ipv6 is not enabled in uidb for GRE tunnel interfaces after RP FO done on neighbor router. The customer would notice IPv6 traffic loss on tunnel interfaces. Conditions: Rare timing condition seen once. Unable to reproduce reliably. This was obsevered in the following topology: Router 1 ---- Router 2 When Fail over was done on Router 1, the issue described was see on Router 2 and all the tunnel interfaces lost IPv6 connectivity on GRE tunnel interfaces.
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