[54540] in North American Network Operators' Group
Re: Weird networking issue.
daemon@ATHENA.MIT.EDU (Scott Granados)
Tue Jan 7 14:09:05 2003
Date: Tue, 7 Jan 2003 11:07:28 -0800 (PST)
From: Scott Granados <scott@wworks.net>
To: Drew Weaver <drew.weaver@thenap.com>
Cc: "'nanog@merit.edu'" <nanog@merit.edu>
In-Reply-To: <75634F04BFCFD511BF69009027DC8649410A5D@mailman.thenap.com>
Errors-To: owner-nanog-outgoing@merit.edu
Hi there, no that is not normal. How long is the cat5 between the two?
Also, with a hub you should normally see collisions but not crc errors.
On Tue, 7 Jan 2003, Drew Weaver wrote:
>
> Hi, this is kind of a newbie question but this doesn't make a whole lot of
> sense :P
>
> I have an etherstack hub connected to a FastEthernet port on a cisco 3660
> router, these are the stats when I do a show int fast0/0:
>
> 5776 input errors, 5776 CRC, 2717 frame, 0 overrun, 0 ignored
>
> Whats weird is I just cleared the counters 12 minutes ago, and already there
> are almost 6000 CRC errors. This connected via a standard Cat5 ethernet
> cable, I have tried replacing the cable to noavail.
>
> Is this a fairly normal situation, If so that's great, but it seemed rather
> ridiculous to me, and if it is not a normal situation, what would cause
> this?
>
> Any ideas are appreciated.
> Thanks,
> -Drew Weaver
>
