Wireshark-users: Re: [Wireshark-users] How to get Average RTT
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From: "Greg Helps" <greg@xxxxxxxxxxxx>
Date: Wed, 18 Jul 2007 16:03:12 +0930
> -----Original Message-----
> From: wireshark-users-bounces@xxxxxxxxxxxxx 
> [mailto:wireshark-users-bounces@xxxxxxxxxxxxx] On Behalf Of 
> Stephen Fisher
> Sent: Wednesday, 18 July 2007 1:29 PM
> To: Community support list for Wireshark
> Subject: Re: [Wireshark-users] How to get Average RTT
> 
> On Wed, Jul 18, 2007 at 11:46:20AM +0800, Marc Glenn wrote:
> 
> >     I tried viewing the Round Trip Time Graph ins Statistics->TCP 
> > Stream Graph->Round Trip Time Graph but I was not able to 
> > get an exact value for the average Round Trip Time.
> 
> So the graph showing you the data you want, just without the 
> actual measurements shown that you need?
> 
> 
> Steve

Not sure if this fits what you are trying to do, but have you tried
Statistics -> IO Graphs
Then set Units to Advanced. Select "AVG(*)" as the Calc method. Enter
tcp.analysis.ack_rtt
You can apply a filter in the appropriate location as well.
Note that you will need "Analyze TCP sequence numbers" activated in TCP
protocol options in Wireshark preferences for this to work.

Cheers
Greg