[c-nsp] EOBC0/0 ifInErrors

Eugene Grosbein eugen at grosbein.net
Mon Oct 12 05:07:48 EDT 2020

12.10.2020 15:59, Eugene Grosbein wrote:

>>>>> You have dual supervisor on this box.
>>>>> Can you do a failover to the secondary and see if that stops the input errors?
>>>>> This will localise the problem
>>>> Do I need to disable NSF (non-stop forwarding) to localise the problem?
>>>> I guess both RSP should exchange data routinely when NSF is enabled.
>>> Or I could just eject stand-by RSP out of the chassis.
>> So I've changed redundancy mode to to RPR (Route Processor Redundancy, was SSO) then stand-by RSP was ejected physically.
>> I expected that errors would stop or would not change at all but neither happened.
>> Instead, error rate decreased significantly but not ceased (12:25 was the moment):
>> http://www.grosbein.net/cisco/eobc0_0-day.png
> So I waited until Saturday early morning and performed switch-over at 7:00, then error rate increased.

Forgot show show that moment:


Both graps show same value, upper graph shows maximum over an hour, lower (blue) is an average over an hour.

> Today at 12:16 another one (now inactive) RSP module was ejected physically and error rate decreases again but not ceased:
> http://www.grosbein.net/cisco/eobc0_0-day2.png
> What does it mean?

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