The MAC addresses are stored in the NIC’s hardware, its read-only memory, or some other firmware mechanism. The MAC addresses are assigned permanently to adapters and cannot be changed as they are a unique identification of the hardware interface of network. The network interface card is used to connect to the Ethernet network. The MAC address forms the basis of network communication, regardless of the protocol used to achieve network connection.A Media Access Control address (MAC address) is a unique identifier assigned to a network interface card (NIC) by its manufacturer. This is the answer by anonymous:Ī MAC address is a 6-byte hexadecimal address that allows a NIC to be uniquely identified on the network. I was thinking of writing all about it by myself but this answer on Quora was so well written and knowledgeable that I thought of pasting it instead.
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