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Glossary: Networking Basics

MAC address

Also written: MAC, hardware address, media access control, link/ether

A network card's 48-bit hardware address, written as six hex bytes such as 3c:22:fb:7a:10:4e. Frames use it to reach the next device on the same LAN.

Where the book teaches it

Related terms

EthernetARPhexadecimalMAC table