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Editorial Team
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Asked: 2026-05-26T13:02:18+00:00

I’m trying to view traffic transmitted to a specific multicast address on a network

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I’m trying to view traffic transmitted to a specific multicast address on a network in order to analyze a protocol we’re using.

I don’t have Wireshark available on the setup (unfortunately). TCPDump is available though. So, can anyone show me a command have TCPDump filter to only view messages transmitted to a secific multicast group address?

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1 Answer

  1. Editorial Team

    I believe this should be enough for a specific group:

    tcpdump -i eth0 -s0 -vv host 239.255.255.250

    All multicast traffic:

    tcpdump -i eth0 -s0 -vv net 224.0.0.0/4
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