In order to get the MAC address of destination's computer, the host computer sends an ARP request. At which layer ARP request is made?
At which layer of OSI model an ARP request is made by host computer?
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In order to get the MAC address of destination's computer, the host computer sends an ARP request. At which layer ARP request is made?
It's a link layer as described in ARP article on wiki. It's really helpful to see packet structure by yourself, so I encourage you to install wireshark on your PC, to start sniffing network and to ping non existing IP address in your subnet. Filtering by "arp" will show you something like this: