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FOG Multicast Not working

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FOG Problems
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  • A
    awellis
    last edited by Mar 29, 2018, 11:30 PM

    Correct on all counts. Its running on a single switch on the same subnet. I did hook up wireshark and saw all the messages go back and forth with the initial test, but when running fog, the server just sends the one packet out and nothing else happens

    G 1 Reply Last reply Mar 30, 2018, 12:10 AM Reply Quote 0
    • G
      george1421 Moderator @awellis
      last edited by Mar 30, 2018, 12:10 AM

      @awellis If you run tcpdump on the fog server you could use this capture filter "ether multicast or host <ip_addr_of_target> "

      Setup a test multicast from the image definition with a single host (client=1) then pxe boot the target system and join the session.

      You should see the beacons from the fog server and then the client will chat back using a unicast message. Once the stream starts you should see the a bunch of multicasts from the fog server and then the client chatting back with checksums.

      Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!

      A 1 Reply Last reply Apr 5, 2018, 11:15 PM Reply Quote 0
      • A
        awellis
        last edited by Apr 5, 2018, 11:11 PM

        So I went ahead and installed fog and centos on a different (much older) machine and it worked fine. Looks like there’s some hardware issue with the original server I had been using, but that issue is not the NIC because I also tried a new one of those to no avail. Thanks for all your help @george1421!

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        • A
          awellis @george1421
          last edited by Apr 5, 2018, 11:15 PM

          @george1421 Didn’t see any packets except for a single UDP packet every 2 seconds or so after the client checked in and loaded up into partclone. Turned out there’s some hardware issue with the server I had been using. Thanks for your help!

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