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Cisco Bug: CSCvr96704 - Asymmetric Routing for the RG is showing as CLOSED for B2B NAT

Last Modified

Mar 25, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

n/a

Description (partial)

Symptom:
Whem ISR 4331 device for the Redundancy Group switchover or the asymmetric interface is shut down/ track applied to the RG goes down, the ASYM_ ROUTING will be seen as CLOSED from the output of  sh plat hard qfp act sys rg  1  | in ASYM_ROUTING

Conditions:
When the RG for the Box-to-Box NAT switchover, the following conditions will apply:

1. The ASYM_ROUTING  will be shown as CLOSED from the output of sh plat hard qfp act sys rg  1  | in ASYM_ROUTING
2. The packets still can be routed asymmetrically.
3. After the preemption we still see the ASYM_ROUTING as Closed.
4. When we reload Both Active and Standby devices of the RG  ASYM_ROUTING will be seen as OPENED.
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