Nexus 5000/5500 control plane failure not bringing links down (CSCtx21891)

[Amir Mehri]

Hi Dear

when i upgrade my NX-OS to  5.2(1)N1(5) and latest version, all my interface status change to Hardware Failure and show me the below log:

 %$ VDC-1 %$ %NOHMS-2-NOHMS_DIAG_ERROR: Module 1: Runtime diag detected major event: Sup Forwarding ASIC failure

I found the bug  CSCtx21891 that indicate this situation but there is no solution.

what should i do?

[Ganesh Hariharan]

Hi Dear
when i upgrade my NX-OS to  5.2(1)N1(5) and latest version, all my interface status change to Hardware Failure and show me the below log: %$ VDC-1 %$ %NOHMS-2-NOHMS_DIAG_ERROR: Module 1: Runtime diag detected major event: Sup Forwarding ASIC failure
I found the bug  CSCtx21891 that indicate this situation but there is no solution.
what should i do?

Hi Amir,

I would suggest to rollback to older ios which was working to make the system up. If you have time then log a case with cisco support so that you can at least get information based on bug solution.

Hope it Helps..

-GI

Rate if it Helps..