Re: MEGACO - calculate packet retransmissions

[Jaap Keuter <jaap.keuter () xs4all nl>]

Hi, 

Tshark the file, output whatever you need, then script your
statistics. 

The Wireshark site provides several presentations (from
SharkFest et al.) about this. 

Thanks,
Jaap 

On Fri, 23 Jul 2010
15:40:21 +0300, Manolis Katsidoniotis  wrote:  

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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