Re: [nsp] is this cisco2912XL 's bug or else.

From: pankaj (pankaj@worldgatein.net)
Date: Sun Mar 24 2002 - 05:34:59 EST

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I think its not multicast or broadcast.
Cause show int fastethernet x/x giving me constant value for multicast
and broadcast packets( i.e 330 broadcast , 12 multicast). this numbers
not increasing.

If I am observing in wrong way than give me clue .

--pankaj

----- Original Message -----
From: "Douglas M. Todd, Jr." <dtodd@partners.org>
To: "'pankaj'" <pankaj@worldgatein.net>; <cisco-nsp@puck.nether.net>
Sent: Saturday, March 23, 2002 1:08 AM
Subject: RE: [nsp] is this cisco2912XL 's bug or else.

>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
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> What is meant by undesireable traffic?
>
> Are you running a trace in the port? How do you know this is not
> broadcast or multicast traffic?
>
> ==DMT>
>
> - ----SIGNATURE------
> Douglas M. Todd, Jr.
> CCNP
> Network Engineering
> Partners Health Care
> Building 149
> 149 13 Street
> Charlestown, MA 02129-200
> Tel: 617.726.1403
> Email: dtodd@partners.org
> - ------------------------------------------------------------------

--
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available:http://keyserver.pgp.com:80/pks/lookup?op=get&exact=off&sear
> ch=dtodd%40partners.org
> Verisign S/N: 3ff65cdf58b9dceda004baeed49e16cf
> https://digitalid.verisign.com/services/client/index.html
>
> >-----Original Message-----
> >From: pankaj [mailto:pankaj@worldgatein.net]
> >Sent: Wednesday, March 20, 2002 5:27 AM
> >To: cisco-nsp@puck.nether.net
> >Subject: [nsp] is this cisco2912XL 's bug or else.
> >
> >
> >I have cisco 2912XL swtich IOS 12.0(5)XU,
> >Suddenly since from few days, I found that undesired traffic
pattern
> >on few switch ports.
> >-------------------------cisco2912XL-----------------------------
> >|        |        |        |        |        |        |        |
> >|        |            |        |
> >m1    m2    m3    m4    m5    m6    m7    m8    m9    m10    m11
> >m12
> >
> >Now on machine m7 , m8, m11 there is no any data transfer , still
> >show int fastethernet0/7 and my monitoring (mrtg) showing me some
> >ammount( Y amount) of  (0kbps to 500 kbps) Same thing happening
with
> >0/8, 0/11.
> >
> >now 0/9 and 0/10, there is actual traffic on machine's interface is
> >X amount , but on switch its showing me X+Y.
> >
> >on m4 there are some traffic flowing through but switch showing me
0
> >kbps.
> >
> >Any clue???? Why this happening?? Is this sounds switch problem or
> >my logic problem??
> >Is humidity or dust can create problem like this.
> >
> >Thanks
> >Pankaj Patel
>
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