arp, rarp

[aksher]

ia arp, rarp network layer or fall between both network and data link layer.

[Richard Burts]

Aksher

The ARP request and ARP response have layer 3 IP addresses, so in some sense it is a layer 3 packet. But its function is to map layer 3 and layer 2 addresses, so I think that effectively the answer is that ARP falls between the network and the data link layers.

HTH

Rick