Operational Defect Database
BugZero found this defect 704 days ago.
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F5 | 1114253
Weighted static routes do not recover from BFD link failures
Last update date:
4/26/2024
Affected products:
BIG-IP
BIG-IP TMOS
Affected releases:
13.1.0
13.1.0.1
13.1.0.2
13.1.0.3
13.1.0.4
13.1.0.5
13.1.0.6
13.1.0.7
13.1.0.8
13.1.1
13.1.1.2
13.1.1.3
Fixed releases:
No fixed releases provided.
Description:
Severity: 4-Minor ... Symptoms ... If a BFD link fails and recovers, the weighted static route that should be preferred does not populate back into the routing table. ... Impact ... Incorrect route nexthop. ... Conditions ... Weighted static routes with BFD configured, this is an example of the affected configuration: ip route 0.0.0.0/0 10.8.8.4 100 ip route 0.0.0.0/0 10.8.8.34 200 ip static 0.0.0.0/0 10.8.8.4 fall-over bfd ip static 0.0.0.0/0 10.8.8.34 fall-over bfd After BFD session to 10.8.8.4 fails and recovers the default route will still be pointing to 10.8.8.34. ... Workaround ... Re-add route config statements.
