[c-nsp] Ignored input errors on Fa interfaces

[Andrew Gristina]

http://www.verio.com/support/documents/view_article.cfm?doc_id=482

ignored is the buffer or buffer ring filling up (depends on architecture).

Show buffers is the customary next step.

On 10/11/07, Andrew Gristina <agristina at gmail.com> wrote:
> http://www.verio.com/support/documents/view_article.cfm?doc_id=482
>
> ignored is the buffer or buffer ring filling up (depends on architecture).
>
> On 10/11/07, Ras <jeekay at gmail.com> wrote:
> > I have a 2811 deployed at a customer site, with Fa0/0 facing a 100M
> > circuit back to me and Fa0/1 facing the customer.
> >
> > Each interface is clocking up (albeit at varying rates) a bunch of
> > input errors that are 'Ignored':
> > FastEthernet0/0 is up, line protocol is up
> >      7 input errors, 0 CRC, 0 frame, 0 overrun, 7 ignored
> >
> > As far as I can tell the interfaces aren't overloaded (~3M peak),
> > there are plenty of buffers to go around and the CPU/memory seem
> > happy.
> >
> > This router really does very little, although it is multicast routing
> > but again only 2-3M peak.
> >
> > I've read the Cisco docs on debugging these errors but havn't been
> > successful in eliminating them, including after a reload.
> >
> > Does anyone know how to dig deeper into this / find out what is causing this?
> >
> > Thanks,
> > Ras
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