I am using two pipeline to send and receive the video but in the wireshark I can't see any RTP or RTCP message exchange only UDP packets sender: gst-launch-0.10 -v gstrtpbin name=rtpbin filesrc location=TestV.mp4 ! decodebin ! x264enc ! rtph264pay ! rtpbin.send_rtp_sink_0 rtpbin.send_rtp_src_0 ! udpsink port=5002 host=127.0.0.1 rtpbin.send_rtcp_src_0 ! udpsink port=5003 host=127.0.0.1 sync=false async=false udpsrc port=5007 ! rtpbin.recv_rtcp_sink_0 Reciever: gst-launch-0.10 -v gstrtpbin name=rtpbin latency=100 udpsrc caps="application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)H264" port=5002 ! rtpbin.recv_rtp_sink_0 rtpbin. ! rtph264depay ! ffdec_h264 ! ffmpegcolorspace ! autovideosink udpsrc port=5003 ! rtpbin.recv_rtcp_sink_0 rtpbin.send_rtcp_src_0 ! udpsink port=5007 host=127.0.0.1 sync=false async=false Could any one plese help me out, why I can't see the RTP message exchange in wireshark? Do I need to make changes in my pieline above? Thanks Raman =====-----=====-----===== Notice: The information contained in this e-mail message and/or attachments to it may contain confidential or privileged information. If you are not the intended recipient, any dissemination, use, review, distribution, printing or copying of the information contained in this e-mail message and/or attachments to it are strictly prohibited. If you have received this communication in error, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you