[c-nsp] Catalyst 2950 freezing

Nikolay Shopik shopik at inblock.ru
Mon Dec 19 05:58:49 EST 2011


Hey,

We had something similar with 2950, which is really bug CSCeb04463. So 
basically switch working perfectly fine but at some moment (random) it 
will decide to hang.

I cannot say if this is your case, but maybe worth check.

On 19/12/11 14:40, Henry-Nicolas Tourneur wrote:
> Hi all,
>
>
>
> For one of our customer, we'v a Cisco Catalyst 2950 located in their
> premises, through this switch we deliver an internet access as well as a
> voice service.
>
> The switch has a really basic cfg: 3 ports connected, 1 trunk and 1 port per
> service.
>
>
>
>  From time to time, the switch freezes completely (all services down, switch
> unreachable).
>
> Obviously, we already swapped the switch several times, check the logs,
> errors counters . and nothing solved our issue.
>
>
>
> Even more weird, this morning we saw a traffic spike at 50mbps (services are
> 4mbps and 1mbps) on every ports while they are inside separated VLAN (so
> even an L2 loop shouldn't do this).
>
>
>
> We suspect a physical issue in the customer environment but we got no
> evidence of this.
>
>
>
> So, I would like to get opinions on how to troubleshoot this.
>
> I don't know if there is any chassis debugging on a Catalyst switch (power
> issues) or any experience someone could share?
>
>
>
> Thanks for your help J
>
>
>
> Henry-Nicolas Tourneur.
>
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/


More information about the cisco-nsp mailing list