MAC

 

What is MAC address (Media Access Control)? – Definition

In a local area network (LAN) or other network, the MAC (Media Access Control) address is your computer’s unique hardware number. (On an Ethernet LAN, it’s the same as your Ethernet address.)

 A Media Access Control (MAC) address is a 64 or 48 bit addressing System linked to the hardware of network adapters.sometimes MAC address is also known as hardware address, or (BIA) burned-in address, or also called physical address. MAC addresses are expressed in hexadecimal form like 2AA:FF:FE3F:2A1C, and in the case of a 48-bit address, or 01-23-45-67-89-AB-CD-EF. 

When you are connected to the Internet from your computer (or host as the Internet protocol thinks of it), a correspondence table relates your IP address to your computer’s physical (MAC) address on the LAN is created.