Yes that is a good question. My understanding is like you say, the
transmitter is throwing the packet onto the wire before it gets the
whole packet, similiar to cut-through switching though I assume the CRC
has been preformed. Are you seeing ny runts as these can also be
associated with underruns??
If you get any good responses please share.
Dave
Timothy Gray wrote:
>
> Okay networking gurus, here's one for you all.
>
> I have a problm with a 7204 that has 8000+ underrun errors on the
> FastEthernet interface.
>
> I understand that an underrun is the failure of the router to pass data to
> the transmitter fast enough.
>
> So it would seem that the processor can't keep up, right?
>
> But none of the ATM or Token Ring interfaces have this problem and the
> processor utilization is around 10%.
>
> So is the problem with the FastEthernet adapter?
>
> If anyone has seen this problem before? If so, please let me know
>
> Thanks.
>
> [EMAIL PROTECTED]
--
David Madland
Sr. Network Engineer
CCIE# 2016
Qwest Communications Int. Inc.
[EMAIL PROTECTED]
612-664-3367
"Emotion should reflect reason not guide it"
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