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- MAC addresses work with the card in your device that lets it connect wirelessly to the internet, called a Network Interface Controller (NIC). 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.
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Sep 3, 2013 · Wireless access points often use MAC addresses for access control. They only allow access for known devices (MAC address is unique and identifies devices) with the correct passphrase. DHCP servers use the MAC address to identify devices and give some devices fixed IP addresses.
- Jason Fitzpatrick
- Editor-In-Chief
Jun 22, 2017 · A device's MAC address is assigned by the manufacturer, but it's not to hard to change---or "spoof"---those addresses when you need to. Here's how do do it, and why you might want to.
- Former Editor-In-Chief
Nov 16, 2021 · MAC addresses work with the card in your device that lets it connect wirelessly to the internet, called a Network Interface Controller (NIC). 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.
Jan 31, 2019 · A MAC address is typically assigned to a network interface card (NIC). The NIC is a small circuit board inside your computer that makes it possible for your device to communicate over a network, such as the internet.
Feb 20, 2019 · When computers (or other devices) send data in the local network, that data includes two essential details: the MAC address of the computer from which it left and the MAC address of the computer to where it has to go.
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Jan 8, 2012 · A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment. Logically, MAC addresses are used in the Media Access Control protocol sub-layer of the OSI reference model.
