![]() ![]() For network traffic intending to leave the network, a different address system must be used such as IP addresses.īecause MAC addresses are only used within a single network, there is no need for them to be globally unique. MAC addresses can only be used to communicate within the local network, it is impossible to use them to communicate outside of your own network. fe-dc-ba-98-76-54.Ī MAC address is a pseudo-unique identifier used to distinguish devices within a single network. Some devices display MAC addresses with hyphens instead of colons, but the structure otherwise remains the same, e.g. Typically, MAC addresses are displayed with six pairs of digits separated by colons, such as 01:23:45:67:89:ab. ![]() What is a MAC address?Ī MAC address is a 48-bit string of alphanumeric digits, that is 0-9, and a-f. Tip: A MAC address has nothing to do with Apple or MacOS, all networked devices have and use MAC addresses.
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