Ethereal-users: Re: [Ethereal-users] TCP Stream Analysis tools not working

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From: Guy Harris <gharris@xxxxxxxxx>
Date: Tue, 9 Jul 2002 22:34:51 -0700
On Wed, Jul 10, 2002 at 01:04:47AM -0400, Chad Hall wrote:
> I have a capture of TCP/IP traffic taken by Sniffer Pro which I have 
> loaded into Ethereal 0.9.5 running on NT 4.0.  I am trying to invoke the 
> analysis/graphing functions, but no matter what I do I get a warning 
> dialog with the message "Selected packet is not a TCP segment". 
> Everywhere else, Ethereal seems to think it is a valid TCP segment.

"It" being the packet you've clicked on in the topmost pane, so that
it's highlighted in blue?

If not, select the packet in question and then try it.