Wireshark-users: Re: [Wireshark-users] TFTP Opt.Ack. not automatically decoded inone instance

From: "Lars Ruoff" <lars.ruoff@xxxxxxxxxxxxxxxxx>
Date: Mon, 8 Dec 2008 13:43:56 +0100
Good point!
I missed that one.
Many thanks!
 

> -----Original Message-----
> From: wireshark-users-bounces@xxxxxxxxxxxxx 
> [mailto:wireshark-users-bounces@xxxxxxxxxxxxx] On Behalf Of 
> Jaap Keuter
> Sent: lundi 8 décembre 2008 13:14
> To: Community support list for Wireshark
> Subject: Re: [Wireshark-users] TFTP Opt.Ack. not 
> automatically decoded inone instance
> 
> Hi,
> 
> The return message comes from a different IP addresss then 
> where the request was send to. This way it doesn't match the 
> conversation setup by the first packet.
> 
> Thanx,
> Jaap
> 
> Sent from my iPhone
> 
> On 8 dec 2008, at 11:06, "Lars Ruoff" <lars.ruoff@xxxxxxxxxxxxxxxxx>
> wrote:
> 
> > Hi List,
> >
> > Please could someone check if you experience the same issue:
> >
> > In the attached files, consisting of two packets each, a TFTP Read 
> > Request and a TFTP Option acknowledgement, i get the Option 
> > acknowledgment decoded only for the first file.
> > For the second file, TFTP is not decoded automatically for 
> the second 
> > packet.
> > If i manually DECODE AS... TFTP, it shows up fine.
> > I wonder why this is?
> > It happens that the first file (decoded) corresponds to a real life 
> > working scenario, while the second corresponds to a real life 
> > NON-working scenario.
> > So i wonder if the fact theat Wiresharks decodes in one 
> place but not 
> > the other might be a real problem of the packet.
> > I can turn it round and round, but i don't see any noticeable 
> > difference (other than different option values) between the two 
> > scenarios.
> >
> > Your help would be much appreciated.
> > Lars
> > <TFTP-decoded.pcap>
> > <TFTP-not-decoded.pcap>
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