Other uses of MAC addresses include recognizing the device that is stolen, and whether the system is connected to the internet.ĭue to this reason, institutions and companies frequently take and record the MAC addresses of user devices. Therefore, if the IP address is changed for any reason, the MAC address will still able to identify the device.įiltering is used to track and limit network user access.
This is done to keep the network safe from strangers because, without it, anyone can access the network. The router is set in such a way that it will accept only the specified MAC address. One of these applications is in the wireless networks filtering process. There are many applications of MAC addresses.
For a wireless device, click “Settings,” and the MAC address of the wireless device will appear as a hardware address. 
For a wired device, the MAC address will appear as a hardware address on the right side.
Select the device from the left pane that is Wi-Fi or wired. Go to the Activities Overview and type “network.”. To find out the MAC address for your network hardware, follow the steps listed below: The following include the OUIs of some well-known firms:ĭell: 00-14-22, Cisco: 00-40-96, and Nortel: 00-04-DC. This will be helpful in recognizing the manufacturer. This is called the Organizationally Unique Identifier (OUI). Most manufacturers, like Dell and Cisco, use a unique identifier in the MAC address. A MAC address contains six sets having two characters each set is separated by a colon. An example of a MAC address is 00:1C:45:11:3A:B7. The identifier will be unique for each device. The computer is allowed to connect to the network using the network interface controller, which is a computer circuit card. A MAC address is stored in hardware and is normally assigned by the manufacturer of a network interface controller.
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