![]() Therefore, the MAC address is used to identify the location of the network device.ĭata packet transmission is a process in which packets on the network start from the initial point, constantly map the address of the target node to the MAC address of the intermediate node, and then start from the intermediate node until the final target node is found. The MAC address identifies a unique network adapter on a network. If a device has one or more network adapters, each network adapter must have a unique MAC address. In the OSI model, the network layer at layer 3 is responsible for IP addresses, and the data link layer at layer 2 is responsible for MAC addresses. It is also sometimes referred to as LAN Address, Ethernet Address, or physical Address.Ī MAC Address is a flash memory chip that is burned in a Network Interface Card when produced by the Network equipment manufacturer. The full name of a MAC Address is Media Access Control Address.
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