Ethereal-users: [Ethereal-users] Re: [Ethereal-dev] Capture RTP/RTCP

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From: David Frascone <dave@xxxxxxxxxxxx>
Date: Mon, 29 Apr 2002 08:40:11 -0500
Ethereal would have no problems capturing the stream. . . .  The problem is
identifying the stream.  Most protocols that use RTP (or a flavor thereof)
negotiate the port internally.  (Kinda like FTP does).

So, for example, if you're doing voice over ip using SIP+RTP, inside the
SIP conversation, it would specify what ports the RTP would be sent/received
on. 

Since dissectors are called based on protocol/port . . I don't see this being 
implemented any time soon.  (I can't think of any easy way to do it.  Can
anyone else?)


-Dave

On Monday, 29 Apr 2002, Chen Yu wrote:
> Hi,
> 
> I got one question, is that possible to use ethereal to capture RTP/RTCP
> 
> packets?
> Thanks
> 
> Alex.
> --
> -------------------------
> Chen Yu
> Telematica Instituut
> Enschede, Netherlands
> http://www.telin.nl
> +31 53 4850 343 (office)
> +31 6 47272444  (mobile)
> -------------------------
> 
> 
> 
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-- 
David Frascone

              43% of all statistics are worthless.