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Cisco Bug: CSCun64507 - uRPF drop bit in PLU leaf is not reset on MODIFY event with MPLS LDP cfg

Last Modified

Aug 11, 2019

Products (1)

  • Cisco 12000 Series Routers

Known Affected Releases

4.3.2.BASE

Description (partial)

Symptom:
ping with source address fails due to rpf_failure count as urpf loose mode is configured and rpf drop bit is set by mistake and it consider that source address is not reachable.

Conditions:
Issues occurs with below static route config
router static
      address-family ipv4 unicast
5.5.4.0/24 Null0 --> next-hop points to NULL0 
5.5.7.248/30 5.5.4.250 -> specific prefix is updated with next-hop
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