[c-nsp] 10GE card for 7609

Kevin Loch kloch at kl.net
Tue Mar 31 17:16:27 EDT 2009


Richard A Steenbergen wrote:
> On Tue, Mar 31, 2009 at 10:01:24AM +0200, Gergely Antal wrote:
>> I meant that you can not push 40G out of a 6704
>> even with a dfc attached to it.But you can do it with a 6708
>> with 1:1 subscription.
 >
> Worse, some days you can't even get 7G in from a single port on a 6704
> with the other 3 ports unused. We routinely have problems with ingress
> interface overruns or egress interface output queue overflows on 6704 
> in that traffic range, and DFC doesn't make any difference.

Did you have any fabric channel on the router with
utilization over 90% while this was happening?  We had a similar
problem where any one fabric channel being maxed out would cause
unrelated cards to have input buffer overruns.

- Kevin


More information about the cisco-nsp mailing list