Look for the line that says Physical Address.Right click Ethernet 2 or Local Area Connection 2 and select Status.In the run dialog box, type ncpa.cpl then click OK.
A run dialog box should appear on your screen.
On your keyboard, press the Windows key and the letter R together. Plug the Ethernet cable into the LAN adapter. IF YOU HAVE A WINDOWS SYSTEM, WHAT PROGRAM CAN YOU RUN TO SEE THE MAC ADDRESS FOR YOUR COMPUTER? DRIVER
Wait for the automatic driver installation to complete. Click the Advanced button on the bottom right. Click the Apple icon located at the top left corner of your screen. Plug the LAN Adapter into the USB port on your computer. If the LAN Adapter MAC Address reads 00-00-00-00-00-00, this is incorrect and you must use your computer to get the correct MAC address. The MAC address will then be displayed on the screen under LAN Adapter MAC Address. Select the right arrow to advance to the next set of settings. From the home screen, select the Wii button in the lower left corner. Plug the LAN Adapter into the USB port on your Wii. There are two methods to retrieving the MAC address of the Wired LAN Adapter for the Wii: Using your Wii or Using your computer. This Wired LAN Adapter for the Wii has been tested and verified to work on our network. A wired connection can be established by purchasing a Wired LAN Adapter compatible with the Wii. You must use a wired connection via Ethernet cable to gain Internet access. If on Windows, simply run ipconfig /all on command line interface (command prompt), you should be able to see MAC Address (Physical Address) for each network. For urgent issues during business hours call 73.NOTE: Wireless for the Wii is not supported on the Ramapo network. Provide them with the suspected duplicate IP and they can investigate. If you don't have access to a third host on that same network or don't have command line access, submit a help request ticket and assign to ITS - Network. If you get any MAC address in your output, it should be from another host using that IP. is incorrect and you must use your computer to get the correct MAC address. Wait a few minutes, then run the ARP command again. If you cannot find the label or it is not printed on the device, you will. If the MAC address in the output is always the affected host, try unplugging that host from the network. You should be able to use NetDisco or DCT to track that host down. If the MAC changes, then you know another machine is trying to use the address. If so, then try running the command a few more times. You should be able to use NetDisco or DCT to track that host down via MAC address. If not, then the MAC address in the output is the MAC of another machine that has the same address. Compare this address to the affected machine. The output of the response should contain a MAC address. On a Mac or Linux machine, type "arp " and hit enter. On a Windows machine, type "arp -a " and hit enter. On an unaffected host on the same network, open up a command prompt. The ARP cache of a machine contains IP to MAC address mappings, which every host needs to communicate with hosts on the same network as its own. The network administrator of an organization always checks the MAC addresses. If you have access to a working host that is on the same VLAN as the duplicate IP, you should be able to detect the MAC addresses of the affected hosts by checking its ARP cache. Why we need it There are many reasons to find out the MAC address of a computer. You may also see intermittent "network unavailable" messages from the OS. If a host gets a duplicate IP but its OS doesn't detect it, you'll see a valid address assignment, but network connectivity will just not work, or at best will be intermittent. Command Prompt data displayed Navigate until you see the section Wireless LAN adapter Wi-Fi. Most newer hosts (Windows, MACs, Linux) will actually detect a duplicate IP assignment and will generate a "Duplicate IP" error message. Information similar to the following will be displayed.
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