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

From: Jaap Keuter <jaap.keuter@xxxxxxxxx>
Date: Mon, 8 Dec 2008 13:14:20 +0100
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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