[c-nsp] C6k 6708 Input drops

[Peter Rathlev]

On Fri, 2009-04-17 at 12:20 +0200, Marian Ďurkovič wrote:
> Input drops on L3 interfaces include also drops seen by the RP.
> These are not happening on the physical 10GE interface, but on the
> CPU's input queue. Try looking for traffic directed to the switch
> itself (SNMP, routing protocols etc) or traffic which is being punted
> to CPU for some reason.

On Fri, 2009-04-17 at 09:41 -0400, Dhingra, Anand wrote:
> I am not sure why... but for some odd reason cisco only has a 75
> packet buffer per interface going to the CPU.

That was just the pieces of information I needed. I adjusted the
hold-queue from 75 to 256 packets and the drops are now gone.

Only thing left is to find out what those bursts are that the switch
punts. But I'm very glad that there was an (easy to understand)
explanation. :-)

Thank you both of you!

Regards,
Peter