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Why do I need a MAC address?
What is a MAC address?
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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.
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
Installing a new device, won't change the existing MAC address on your other card. It'll, it is a single 'emulated' network device. The only thing that can more likely to change your address is a driver update which happened to me many times during the past.
Sep 3, 2013 · What are MAC addresses used for? MAC addresses are the low level basics that make your ethernet based network work. Network cards each have a unique MAC address. Packets that are sent on the ethernet are always coming from a MAC address and sent to a MAC address.
- Jason Fitzpatrick
- Editor-In-Chief
Feb 20, 2019 · What is the MAC address? What does it do? Is the MAC address permanent? How is the MAC address set for each network device? How to change the Mac address in Windows?
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.
Jul 31, 2015 · MAC is required for a couple of reasons, the biggest of which is that IP addresses are not (necessarily) unique. Before a computer has an IP address, it typically requests one on the network by using a service called DHCP.
