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What causes continuous arp requests with same IP?

asked 2018-03-09 16:03:03 +0000

thebeezle gravatar image

Is there a reason why a device would send an arp storm (15-20/sec) of arp requests for it's own IP? I'm reluctant to call it a 'storm' but it seems excessive. Is it merely trying to see if there is a duplicate IP of itself on the network? The MAC address is a Wibhu Tech device which I believe is some kind of WiFi access point. thx

10:51:31.014032 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has (Broadcast) tell, length 46
10:51:31.090023 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has (Broadcast) tell, length 46
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answered 2018-03-10 22:24:41 +0000

Seems, that device is sending out continously an Gratious ARP Request. Either you got a loop on your network or maybe someone is spoofing this IP Address.

But in fact this is not a normal behaviour and if I where you I would investigate this behaviour.

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I encountered similar issues. Could you advise how to investigate this behavior?

YHC gravatar imageYHC ( 2021-02-28 04:18:16 +0000 )edit

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Asked: 2018-03-09 16:03:03 +0000

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Last updated: Mar 10 '18