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Nov 16, 2021 · 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 are always a 12 digit hexadecimal number, with the numbers separated every two digits by a colon or hyphen.
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.
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.
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.
Jan 23, 2019 · What is the reason behind why a device (connected to an Ethernet network) needs to have two identifiers? This post is my attempt to answer that question. IP Addresses and MAC addresses were developed around the same time (circa 1974) but were answers to two, very different problems.
Oct 30, 2023 · Sometimes you need to know the physical hardware address, or MAC address (short for "Media Access Control"), of your network adapter on a Windows 10 or Windows 11 PC. Here are several ways to find it.
Nov 29, 2023 · What is a MAC address used for? A MAC address identifies different devices using the same local network like computers, smartphones, gaming consoles, and more. When you go online, the networking protocols use this address at the data link layer to ensure data packets go to the right place.
