[c-nsp] Basic RSTP question

[Judah Scott]

I've seen CPU spikes which have caused a switchover.  These were caused by
software switching and spikes in traffic.  Specifically it was a very large
number of MPLS tunnels in a lab configuration and we ran out of ACL_TCAM ...



On Thu, Oct 29, 2009 at 6:47 PM, samuel vuillaume <vuillaumes at gmail.com>wrote:

> Hi Guys,
>
>
> I can tell you, it was a really bad day....
>
> Since a while, we;ve been experiencing Interrupt High spikes CPU on one of
> our 7609-SUP720. So this morningwhen we got them , i ran the following as
> per CISCO recommendations, and unfortunately a few seconds later, the
> Active
> SUP720 reset causing a switchover over the slave one and a downtime of 10
> minutes!!!!!
>
> CISCO told me many times, it was not CPU intensive and these CLI's are
> built
> to be run when CPU is at 99%...
>
> I was wondering if one of you experienced the same kind of problem. tks
>
> switch(config)#service internal
>
> switch# show platform capture buffer asic pinnacle slot 5 port 4 direction
> out priority lo
>
> switch# show platform capture buffer collect for 10
>
> When i was looking at the capture buffered the crashed occured.
>
> I'm now really in a bad position....
>
> tks
>
> Sam
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