Arp: moved from MAC to MAC?



  • 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
    ...
    




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

    it's bizarre


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