[c-nsp] How to troubleshoot input queue drop continuously on Cisco7600?

[Pete Lumbis]

Oversubscribing the card would cause output drops, not input queue drops.
As someone else mentioned, this is punted traffic.

I'd suggest using NetDR to find out.
http://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/116475-technote-product-00.html

On Mon, Oct 20, 2014 at 9:42 PM, PlaWanSai RMUTT CPE IX <
pws_admin at thaicpe.com> wrote:

> k1#sho int te1/4 | inc dro
>   Input queue: 1/75/3907395/3653900 (size/max/drops/flushes); Total output
> drops: 0
>
> k1#sho int te1/4 | inc rat
>   Queueing strategy: fifo
>   30 second input rate 3,570,331,000 bits/sec, 365776 packets/sec
>   30 second output rate 496789000 bits/sec, 231843 packets/sec
> k1#sho int te1/3 | inc rat
>   Queueing strategy: fifo
>   30 second input rate 1,752,208,000 bits/sec, 185679 packets/sec
>   30 second output rate 257731000 bits/sec, 122720 packets/sec
> k1#sho int te1/2 | inc rat
>   Queueing strategy: fifo
>   30 second input rate 3,602,173,000 bits/sec, 425089 packets/sec
>   30 second output rate 2326376000 bits/sec, 351745 packets/sec
> k1#sho int te1/1 | inc rat
>   Queueing strategy: fifo
>   30 second input rate 371,024,000 bits/sec, 175235 packets/sec
>   30 second output rate 2565494000 bits/sec, 291311 packets/sec
>
> Traffics are we trying to put through this card about 9 Gbps.
>
> k1#sho int te1/4 | inc dro
>   Input queue: 1/75/3910272/3656732 (size/max/drops/flushes); Total output
> drops: 0
>
> Thank you very much.
>
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