Re: [Ethereal-users] Can Tethereal sniff RTP

[Raghavendra Thodime <thodime_raghu@xxxxxxxxx>]

Hi Lego,
 Thanks for your reply.
  But I didn't find any such preference in
"preferences" file.  I tried giving
 ./tethereal -o "rtp.heuristic_rtp: TRUE" -R "sip or
rtp" -V.
But it gives error saying
tethereal: -o flag "rtp.heuristic_rtp: TRUE" specifies
unknown preference.

So Can you tell me if I am missing something here. Do
I have to change some preference in the file. 

Thanks
-Raghu
--- LEGO <luis.ontanon@xxxxxxxxx> wrote:

> Ethereal can heuristically dissect RTP packets,. RTP
> heuristic
> dissection is a preference not set by default.
> 
> So you could either open
> preferences->protocols->RTP, check the
> heuristic dissection flag, save your preferences,
> and then use
> tethereal as you did
> 
> or launch ethereal setting the preference using the
> "-o" argument from
> command line, like:
>  
> $ tethereal -o "rtp.heuristic_rtp: TRUE" -R rtp
> 
> should do 
> 
> 
> On Fri, 4 Feb 2005 17:18:23 -0800 (PST), Raghavendra
> Thodime
> <thodime_raghu@xxxxxxxxx> wrote:
> > In Linux if I give
> > ./tethereal -R "sip or rtp"  -V
> > I only see sip messages. I don't see rtp messages.
> Is
> > this because tethereal I have is older one. I know
> > that thereal sniffs rtp packets based on SDP info
> it
> > sees in SIP packet. Is there a way it can sniff
> rtp
> > packets live.
> > 
> > Thanks
> > Raghu
> > 
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