Cisco Bug: CSCun90447 - FNF: Bad values reported for IPv6 BGP nexthop for MPLS PE egress monitor
Oct 12, 2017
- Cisco ASR 1000 Series Aggregation Services Routers
Known Affected Releases
Symptom: For 6PE/6VPE MPLS configurations, FNF will report the BGP neighbor for IPv6 flows in the IPv6 BGP Nexthop field as the IPv4 neighbor address interpreted as an IPv6 Address. For example, an IPv4 BGP nexthop address of 220.127.116.11 will be reported as an IPv6 BGP nexthop address of 6B00:2::. Conditions: The mis-reporting happens when using an FNF MPLS flow monitor configured with a flow record containing an IPv6 BGP nexthop address field with IPv6 flows through an MPLS core configured as either 6PE or 6VPE.
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