Wireshark-users: Re: [Wireshark-users] Wireshark doesnt recognize RTP packets when i decode
that capture is just udp without decoding to RTP..
On 06/03/2008, Fabiana moreno <fvmoreno@xxxxxxxxx> wrote:
the first post was when i already had decoded udp data into rtp...
here's my capture
On 06/03/2008, Martin Mathieson <martin.r.mathieson@xxxxxxxxxxxxxx> wrote:
Its in Edit | Preferences | Protocols | RTP | 'Try to decode RTP outside of a conversation'.
Reading your very first post, however, shows that you've already seen these decoded as RTP... Can you post a UDP capture?
On Thu, Mar 6, 2008 at 9:37 PM, Fabiana moreno <
fvmoreno@xxxxxxxxx> wrote:
no i havent done so....where is the rtp dissector preferences???
thanks
On 06/03/2008, Martin Mathieson <martin.r.mathieson@xxxxxxxxxxxxxx> wrote:
Did you turn on the RTP heuristic dissector in the RTP dissector preferences?
Could you possibly send a capture file?
On Thu, Mar 6, 2008 at 9:02 PM, Fabiana moreno <
fvmoreno@xxxxxxxxx> wrote:
Hey Martin i configured my client to listen to port 7070(udp)
So, now in my captures i just see udp packets..that's fine
But when i try to decode to rtp...there's the same error...
i should be able to decode udp to rtp smoothly right?
On 06/03/2008, Martin Mathieson <martin.r.mathieson@xxxxxxxxxxxxxx> wrote:
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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