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Cisco Bug: CSCvh58130 - PFRv3 WAN interfaces are not discovered due to an order of configuration steps

Last Modified

Jul 29, 2019

Products (1)

  • Cisco IOS

Known Affected Releases

15.7(3.1c)M 16.6.2

Description (partial)

Symptom:
PFRv3 on branch BR does not discover WAN interfaces or channels to Hub not working.

"show adj Tunnel101 enc" is missing CMD header for Hub IP-address.

Example of working output:

Protocol Interface                 Address
IP       Tunnel101                 10.200.101.2(13) <<< looking for Hub BR tunnel IP-address / matching NHS
  Encap length 40
...
    HDR 0: ipv4
...
    HDR 1: gre
      prot: static, 0x8909
...
    HDR 2: CMD

Broken example:
Protocol Interface                 Address
IP       Tunnel101                 10.200.101.2(13)
  Encap length 40
...
    HDR 0: ipv4
...
    HDR 1: gre
      prot: static, 0x0800
...

Conditions:
Tunnel interface was brought up, while branch BR role is in admin "shutdown" state.
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