ARP

What is ARP ARP (Address Resolution Protocol) is a network protocol officially standardized in 1982 through the IETF’s RFC 826 document. In TCP/IP network environments, it dynamically discovers the MAC address (physical address) corresponding to a given IP address as an address translation protocol. It operates at the boundary between Layer 2 (Data Link Layer) and Layer 3 (Network Layer) of the OSI 7-layer model, performing the core role of mapping logical addresses (IP) to physical addresses (MAC). ...