Step-by-Step: Finding the IP Address and MAC/Physical Address/Ethernet ID
Step-By-Step: Finding the IP Address and MAC/Physical Address/Ethernet ID
*IP Address: Useful to identify the status of the computer’s connection to Middlebury ‘s network.
*MAC/Physical Address/Ethernet ID: All three names refer to the same thing. It is usually a 6-pair, 12 unit series of numbers and letters. Here, MAC address is not Macintosh; it's simply another name for Physical Address or Ethernet ID. Identifies computer on Middlebury network.
To find the IP Address on a PC:
Click the Start menu button on the Windows taskbar.
Click 'Run...' on this menu.
Type 'cmd' in the text box that appears and then press Enter. A command prompt window launches on the desktop.
In this command window, type 'ipconfig'. Look under “IPv4 Address” for the IP Address.
To find the MAC/Physical Address/Ethernet ID on a PC:
Open the Start menu. Find program Run.Type ‘cmd’ in textbox that appears. Hit Enter.
In the black box that pops up (command prompt window) on desktop, type: ‘ipconfig /all’
Look under Ethernet adaptor Local Area Connection for Physical Address.
Mac OS X
To find the IP address and MAC/Physical Address/Ethernet ID on a Mac:
 Please follow this link to get to Network Troubleshooting Mac OS X.
Scroll down to section: Getting the IP address and MAC address and running "arp -a"
Network Troubleshooting (For problems related to IP and MAC/Physical Address/Ethernet ID. Links to Network Troubleshooting for Mac OSX and Windows)
 To identify what specific IP Addresses mean, scroll down to "Decoding IP Addresses"
 Vista (For specific Vista information)