Ethereal-users: [Ethereal-users] GSM/GPRS Traffic

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From: Y Z <ommy_ss@xxxxxxxxx>
Date: Sun, 12 Jun 2005 21:23:50 -0700 (PDT)
Hi all,
 
1. Can anyone give any info on which interface to capture and which application to run so I would be able to use ethereal to get GSM/GPRS traffic with their respective associated protocols? Do I have to connect to GSM/GPRS equipment interface and run special software application?  I also notice ethereal has statistics function on GSM and GPRS showing GPRS session and mobility management. May I know how to get these info when capturing with ethereal? I hope my question is clear enough.
 
2. This is slightly off topic but appreciate it if anyone can explain the difference between ethereal and tcptrace program in producing statistics of capture. Just for example, I had compared graphs generated by ethereal on TCP segments (Steven style) and the one that tcptrace produce.  Overall look the same but in details they are not especially on retransmitted packets and out-of-order packets.
 
Thanks for any info given.

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