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    Introducing Netgate Nexus: Multi-Instance Management at Your Fingertips.

    Arp: moved from MAC to MAC?

    Scheduled Pinned Locked Moved Firewalling
    3 Posts 2 Posters 1.2k Views
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    • A Offline
      AR15USR
      last edited by

      Not sure if this is the right board, but can anyone say why this is happening?

      This device is an NVR on its own interface (192.168.3.0/24). Seems to be happening about every hour and starts back on 3/26, a little over two weeks after I installed it.

      Apr 3 19:16:53	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 18:16:50	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 17:16:57	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 16:16:53	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 15:16:49	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 14:16:57	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 13:16:53	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 12:16:49	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 11:16:57	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 10:16:54	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 09:16:50	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 08:16:46	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 07:16:54	kernel		arp: 192.168.3.5 moved from 0c:c4:7a:ae:ed:e8 to a4:14:37:ab:56:d1 on igb0
Apr 3 07:16:35	kernel		arp: 192.168.3.5 moved from a4:14:37:ab:56:d1 to 0c:c4:7a:ae:ed:e8 on igb0
...

      2.6.0-RELEASE

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      • A Offline
        AR15USR
        last edited by

        I found some info if anyone is interested:

        https://doc.pfsense.org/index.php/ARP_moved_log_messages

        https://forums.freebsd.org/threads/31240/

        2.6.0-RELEASE

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        • M Offline
          moscato359
          last edited by

          I actually have been seeing similar stuff, just the to and from macs are identical

          it's bizarre

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