Wireshark mailing list archives

Re: MEGACO - calculate packet retransmissions


From: Manolis Katsidoniotis <manoska () gmail com>
Date: Fri, 23 Jul 2010 15:40:21 +0300

Ssending again because I'm not sure if the 1st one made it

Hello


I have an H.248 (MEGACO) trace capturing traffic between a controller and a
remotelly located gateway.
The sniffer is located at the controller side and contains about 200.000
packets.

It looks like some of them are retransmissions.
Wireshark does not recognise the retransmission (no indication in the
packet details) so the packet is displayed as normal.
The way to recognise it is that 2 frames sent within a few seconds interval
are identical (also same transaction id).

I would like to count these retransmissions but I can find no obvious way
through filtering or statistics excluding of course counting the packet one
by one.

Any ideas anyone?

thanks
Manolis

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