Ethereal-users: RE: [Ethereal-users] Fragmented packets

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From: "Marty Browne - IT" <mbrowne@xxxxxxxxxxxxxx>
Date: Wed, 26 Jan 2005 11:06:37 -0600
Luis,

Thanks for the quick reply. I filtered for ip.flags.mf==1 &&
ip.frag_offset==0. Nothing showed up. Does that mean for the packets
that I captured, none of them were fragmented? 


Marty Browne
Allergy & Asthma Associates
281-874-0447
www.texallergy.com
 
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-----Original Message-----
From: ethereal-users-bounces@xxxxxxxxxxxx
[mailto:ethereal-users-bounces@xxxxxxxxxxxx] On Behalf Of LEGO
Sent: Wednesday, January 26, 2005 10:03 AM
To: Ethereal user support
Subject: Re: [Ethereal-users] Fragmented packets

On Wed, 26 Jan 2005 09:16:42 -0600, Marty Browne - IT
<mbrowne@xxxxxxxxxxxxxx> wrote:
> How can I use ethereal to see if I have fragemented packets on my LAN?
ip.flags.mf is set for frames that contain the not last  fragment  of
fragmented packets, ip.frag_ofsset  is set for all those frames that
contain a fragment other than the first

> Is it possible to have fragmented packets originating from PCs on a 
> LAN going to a server on the same switch?

Yes, for example a program can create udp packets larger than the MTU,
those are going to be fragmented to be transmitted.


L

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