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ARP and Proxy-ARP

ARP and Proxy-ARP

I have been reading about ARP and Proxy-ARP , but could not get a good grasp of it.
If I understand when there is Layer3  between 2 hosts in different subnets, the router will take care of ARP Requests/Replies between the Hosts.
in some articles they call that Proxy-ARP when the L3 device is handling the ARP Request/Reply.
if that's true , then ARP is within the same subnet and Proxy-ARP between 2 subnets connected by L3 device ?

Thank you
RoutersSwitches / HubsNetworking

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8/22/2022 - Mon