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Stumped by Wireshark: Router Keeps Sending ARP Requests to Host - Suggestions Needed (alien.top)
submitted 2 years ago by [B] to c/homenetworking@selfhosted.forum
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Hello everyone,

So from my understanding ARP should broadcast, then tables should be updated, and then until an arp table timeout there should be no more need for constant ARP request from say the router to the same host.

When I run wireshark I notice non-broadcast constant arp traffic from my router to my computer. Maybe 20 request in 10 minutes. Its from the router MAC directly to the computers MAC. Why could this be?

Link to Wireshark photo and home network map:

https://imgur.com/a/04eNw3v

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[–] [S, B] 1 point 2 years ago

also seems odd the .252 doesnt ever seem to respond to the .1 I just looked through the picture again, and im not seeing it respond

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