The IEEE claims trademarks on the names EUI-48 and EUI-64, in which EUI is an abbreviation for Extended Unique Identifier.
#What is my mac model identifier mac#
MAC addresses are formed according to the rules of one of three numbering name spaces managed by the Institute of Electrical and Electronics Engineers (IEEE): MAC-48, EUI-48, and EUI-64. This can be contrasted to a programmed address, where the host device issues commands to the NIC to use an arbitrary address.Ī network node may have multiple NICs and each NIC must have a unique MAC address. It may also be known as an Ethernet hardware address (EHA), hardware address or physical address. If assigned by the manufacturer, a MAC address usually encodes the manufacturer's registered identification number and may be referred to as the burned-in address (BIA). MAC addresses are most often assigned by the manufacturer of a network interface controller (NIC) and are stored in its hardware, such as the card's read-only memory or some other firmware mechanism.
Logically, MAC addresses are used in the media access control protocol sublayer of the OSI reference model. MAC addresses are used as a network address for most IEEE 802 network technologies, including Ethernet and WiFi. A media access control address (MAC address)Īccording to Wikipedia this is the mac address definition:Ī media access control address (MAC address), also called physical address, is a unique identifier assigned to network interfaces for communications on the physical network segment.
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