Search results
People also ask
Does my computer need a MAC address?
Why do I need to know my MAC address?
What is a MAC address?
Do routers use MAC addresses?
Why do wireless access points use MAC addresses?
Does Ethernet have MAC address?
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.
Feb 8, 2016 · From my understanding, ARP translates an IP address into a MAC address, and then the computer uses the MAC address to establish a direct connection. If I already know the MAC address of the computer I want to connect to, is it possible to directly connect to it (without a router)?
Jan 31, 2019 · A MAC address is a unique identifier for a device that accesses the internet. Think of a MAC address like your car’s vehicle identification number. It’s assigned to your device and never changes.
Oct 24, 2014 · IP address and MAC addresses operate on different layers of the internet protocol suite. MAC addresses are used to identify machines within the same broadcast network on layer 2, while IP addresses are used on layer 3 to identify machines throughout different networks.
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
Jul 24, 2013 · MAC addresses are required to make a local Ethernet (or wifi) network function. They allow a network device to attract the attention of a single directly connected device, even though the physical connection is shared. This can be important when thousands of devices are connected together within a single organisation.
Jul 31, 2015 · You need to be able to identify a connection at all levels of the network stack. The mac address ONLY identifies the LAN adapter in the ethernet layer (Layer 2 Simplified OSI model). The IP address (TCP and/or UDP) ONLY works in the IP layer (Layer 3).
