2/14/2023 0 Comments Why change network mac address![]() ![]() RELATED: What Is a Network Adapter? How Does a MAC Address Work? Large network adapter manufacturers like Dell and Cisco will often code their identifiers, called their Organizationally Unique Identifier (OUI), into the MAC addresses of devices they make. MAC addresses are always a 12 digit hexadecimal number, with the numbers separated every two digits by a colon or hyphen. ![]() ![]() MAC addresses are used to identify which device is which on your local network so that data gets sent to your computer and not your roommate’s smartphone. MAC addresses work with the card in your device that lets it connect wirelessly to the internet, called a Network Interface Controller (NIC). ![]()
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