![]() A MAC address consists of 48 bits, usually represented as a string of 12 hexadecimal digits ( 0 to 9, a to f, or A to F) these are often grouped into pairs separated by colons or dashes. ![]() It is an abbreviation of “Media Access Control” and is supported by all modern computer hardware.Ī MAC address is an essentially unique number associated with a network card in a machine it serves as a convenient way to distinguish between two different computers. What should I do?įirst note that a MAC address has nothing to do with Mac OS X or Macintosh computers. I replaced or upgraded my hardware, and now my MAC address is different.The order form complained about a bad MAC address.I don't have a MAC address! What can I do?.I'm still struggling to discover my MAC address under Linux.
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