
The 12-character alphanumeric code is your MAC address and uses the. Controlling the Windows Firewall from the Command. Look for Physical Address under the Ethernet Adapter or Wireless LAN Adapter headings.Build It: A Homemade Media Center PC (Article).Starting Windows XP in Safe Mode (Part 1).Finding the MAC Address of Remote Computer (Advanced).Exploring the Earth (and other planets) From Your.Ping a remote device that you want to find the MAC address (for example: PING 192.168.0.1).If you are trying to obtain the MAC address (layer 2) given an IP address (layer 3) you can use RARP. You can use 'nbtstat -a ip' command on windows to do that. To determine the MAC address of a remote device: It simply tells you if a server is online or not. It can also be used for granting or denying permissions to a network segment or device on that network.

This information is handy for doing semi-low level network troubleshooting. Your computer uses a service called ARP (Address Resolution Protocol) to resolve and track the TCP/IP and MAC address of the remote devices that you're communicating with. to send traffic from one device to another device on your network.
