Suppose this is a mac address of a device:. You can understand this concept with the example below: Organizationally Unique Identifier and the remaining 24-bit number represents the vendor or manufacturer of the device. Mac address is a 48-bit number that has 12 hexadecimal digits which are divided into 2 group consists of 6 hexadecimal digits each. Media access control address is also known as physical address, hardware address, Ethernet hardware address (EHA) and BIA i.e. ![]() ![]() ![]() It is attached with the ROM of every single NIC that is manufactured and media access control address of a device cannot be changed until the NICs are replaced from the device. MAC address or Media Access Control address is a globally unique address which is assigned to a NIC (network interface controller) of every electronic device which can be connected to a network.
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