Multicast playback in packet player

Discussion in 'Colasoft Free Network Tools' started by kicest, Mar 8, 2012.

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  1. kicest

    kicest Registered Member

    Mar 8, 2012

    I have some problem to play back UDP multicast packets.

    The configuration is :
    PC_A -- ADSL_Router -- PC_B

    PC_A and PC_B do see each other. Ping work and is visible in wireshark on PC_B.

    I start a RTP/UDP video stream in PC_A :, port 5010.
    Wireshark in PC_B does see the stream. I record a pcap of the UDP stream.

    Now, I copy pcap on PC_A.
    I start playback of pcap on PC_A. But PC_B doesn't see anything. Wireshark is silent.

    Am I doing something wrong ? The configuration is the same, and the content of packets are the same. Why can't I see the same packet as 3 minutes ago, sent from the same PC ? Is it a problem of NIC configuration ?

    If anyone has an idea, it would help me a lot.

    Thank in advance :)
  2. Colasoft Support

    Colasoft Support Colasoft Moderator

    Dec 6, 2007
    Hi kicest,

    Can you post your packet file here?
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