[c-nsp] 6500/7600 TCAM Usage

Chris Welti chris.welti at switch.ch
Wed Jun 1 05:03:05 EDT 2016

On 01/06/16 10:24, Mikael Abrahamsson wrote:
> On Tue, 31 May 2016, Pete Templin wrote:
>> +1 on what Gert said. You'll get log entries at the 90% threshold within
>> a region, but the badness only happens when you tickle the 100%
>> threshold.
> In my 5 year old experience, the badness would continue even if you
> removed some routes and TCAM usage dropped to (let's say) 95% again. The
> problem would only be solved by reboot. Is this still the case?

Yes, even on the latest releases. Once you reach "FIB exception state = TRUE",
no more new prefix installations possible in the TCAM until a reboot.
That also applies to Sup2T btw.


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