![]() If your ISP or administrator gave you an IP address, choose Manually, then. If your address is assigned automatically, choose Using DHCP. (You may need to scroll down.) Click the network connection you want to use on the right, then click Details. ![]() Of course, individually assigning IP addresses to devices may solve the problem, but where large number of devices are present on a network, it becomes impractical to establish and maintain such a scheme. On your Mac, choose Apple menu > System Settings, then click Network in the sidebar. The MAC address being unique, at least within a sub-network, serves as a unique identification token. Also, it would be difficult to unambiguously and individually identify each device. by a DHCP server, a nightmare, because there would be no way to make sure a device will not get more then the predetermined number of IP addresses allowed to each device. Youll find your printers IP address under either the Web Services tab or the Ports tab. The characters that appear next to this are your MAC address. Ensure Hardware is selected at the top and look for MAC Address. Select the button in the bottom right corner that says Advanced. However, it can make centrally assigning IP addresses, e.g. Right-click on Printer, then select Properties. Follow these steps to find the MAC address on your Mac computer: Select the Apple icon in the top left corner. ![]() Obviously, these networking interfaces did not carry MAC addresses or any other form of a unique, physical identity. Such systems existed in the past, such as networks based on linking devices through their UART (e.g. The Data Link layer can be made to ignore any MAC filtering, leaving this functionality to the Network layer, to filter out according to its own IP address. Your question is a very legitimate one! The truth is that theoretically an IP only system can be created and function well without the need for MAC addressing system.
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