Cisco Bug: CSCuq59017 - OSPF microloop avoidance may cause stale routes to remain in RIB

Last Modified

May 13, 2018

Products (1)

Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.3.2.BASE 5.1.2.BASE

Description (partial)

Symptom:
OSPF fails to remove primary and backup paths from RIB after prefix becomes unreachable.

Conditions:
- microloop avoidance must be enabled under OSPF
- prefix reachability is lost completely

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