Wireshark · Wireshark-users: Re: [Wireshark-users] Wireshark doesnt recognize RTP packets when i decode

["Martin Mathieson" <martin.r.mathieson@xxxxxxxxxxxxxx>]

Yes, but have you tried to configure preferences in the RTSP client or server to encourage it to use RTP over UDP instead (the RTSP protocol allows this).

On Thu, Mar 6, 2008 at 10:52 AM, Fabiana moreno <fvmoreno@xxxxxxxxx> wrote:

That´s is the thing... i am not seeing any udp packets in my capture. just tcp and rtsp.
Attached are the capture files(one .pcap and the other in text form) that includes RTSP signalling

On 06/03/2008, Martin Mathieson <martin.r.mathieson@xxxxxxxxxxxxxx> wrote:

Could you possibly post a capture file that includes the RTSP signalling?
We should be configuring the RTP stream with the dynamic payload type so that it can be displayed properly...

On Wed, Mar 5, 2008 at 11:08 PM, Fabiana moreno <fvmoreno@xxxxxxxxx> wrote:

Well it's my final year project and i need to analyse the QoS parameters when streaming over wireless lan.

I'm streaming an mpeg4 video from a server to my client (the last one is the one where wireshark is installed)

So im trying to to capture all the packets im getting when streaming.

My server supports rtcp/rtp and i think (correct me if im wrong) that the best way to analyse all these packets are to decode them to udp and then to rtp but im getting the problem mentioned before.

 

But is there some way i can fix this?

 

On 05/03/2008, Jaap Keuter <jaap.keuter@xxxxxxxxx> wrote:

Well, I dont' really understand what you do, but the PT=unknown is from the
fact that this packet type is dynamically assigned, negotiated between
parties. If Wireshark doesn't see the negotiations, it can't make out which
codec goes with PT 96. So yes, it can happen you see this.

Thanx,
Jaap


Fabiana moreno wrote:
> hello!!!
> I'm streaming an mpeg4 video with darwin streamer server trhough my
> WLAN. I'm using wireshark to analyse the packets im receiving.
> I see TCP/RTSP packets but when i decode to UDP and then to RTP to
> anlyse it, wireshark shows the following in all the packets, here a sample:
>
> 34    0.253327    192.168.123.100 <http://192.168.123.100/>
> 192.168.123.101 <http://192.168.123.101/>    RTP    PT=Unknown (96),
> SSRC=0x4B6C00C, Seq=65416, Time=1531529067
>
> is this what i suppose to see? any suggestions in how to analyse packets
> im receiving while streaming? please help!! im new
>
>

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