ARP
Address Resolution Protocol
Data Link Layer — Other
Protocol Overview
Full Name
Address Resolution Protocol
Abbreviation
ARP
OSI Layer
Data Link Layer
Category
Other
RFC
RFC 826
About ARP
Maps IP addresses to MAC (hardware) addresses on a local network. Essential for Ethernet frame delivery within the same subnet.
Data Link Layer
Other
Standards Reference
ARP is defined in RFC 826, published by the Internet Engineering Task Force (IETF). RFCs are the official standards documents for internet protocols and are freely available for public review.