From: Nawaz, Ajaz (Ajaz.Nawaz@bskyb.com)
Date: Tue Aug 03 2004 - 10:37:14 GMT-3
you need to look at the input errors as they correlate to 'ignored' counter.
don't you agree ?
ajaz
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Richard Gallagher
Sent: 03 August 2004 14:24
To: David Duncon
Cc: ccielab@groupstudy.com
Subject: Re: High Ignored Packet Errors
David,
There are a couple of bugs that might be the cause, can you post the
following:
- sh ver
- sh diag
Thanks, Rich
On Tue, 2004-08-03 at 15:18, David Duncon wrote:
> Hi Group,
>
> One of our multi vlan Spoke router is displaying unusually large number of
> *ignored packets*. There are two things happening here, in the absence of
a
> L3 switch, we are using this router as a Router on a Stick config and
making
> this Router to do the job of intervlan routing as well. Secondly this site
> do have some historical cabling issues and at some stage my syslog box
used
> to get bombarded by *late collisions* errors from Router's Ethernet int.
But
> since we replaced the longer Cat 6 fly lead to with a shorter one,
> understandably the late collisions have disappeared.
>
> But lately we are running in to this sort of large number of "ignored
> packets".
>
> Can any one drill further on this aspect and advise me on the following.
>
> - What are the likely causes?
> - How can I eliminate them ?
> - What number is acceptable/expected ?
>
> Router1#sh int fa0/0
> FastEthernet0/0 is up, line protocol is up
> Hardware is AmdFE, address is 000b.beae.ac00 (bia 000b.beae.ac00)
> MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
> reliability 255/255, txload 1/255, rxload 1/255
> Encapsulation 802.1Q Virtual LAN, Vlan ID 1., loopback not set
> Keepalive set (10 sec)
> Full-duplex, 100Mb/s, 100BaseTX/FX
> ARP type: ARPA, ARP Timeout 04:00:00
> Last input 00:00:00, output 00:00:00, output hang never
> Last clearing of "show interface" counters 09:09:40
> Input queue: 0/75/147/0 (size/max/drops/flushes); Total output drops: 0
> Queueing strategy: fifo
> Output queue: 0/40 (size/max)
> 30 second input rate 82000 bits/sec, 131 packets/sec
> 30 second output rate 284000 bits/sec, 267 packets/sec
> 11182341 packets input, 2002862830 bytes
> Received 566627 broadcasts, 0 runts, 0 giants, 0 throttles
> 42680467 input errors, 0 CRC, 0 frame, 0 overrun, 42680467 ignored
> ????????????????????
> 0 watchdog
> 0 input packets with dribble condition detected
> 14471291 packets output, 3377013099 bytes, 0 underruns
> 0 output errors, 0 collisions, 5 interface resets
> 0 babbles, 0 late collision, 0 deferred
> 0 lost carrier, 0 no carrier
> 0 output buffer failures, 0 output buffers swapped out
>
>
> Thanks,
>
> David.
>
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