Step-by-Step: Finding the IP Address and MAC/Physical Address/Ethernet ID

Revision as of 11:58, 10 June 2010 by Mandy Poon (talk | contribs)

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:

[1] 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" 

Relevant Links

[2]Network Troubleshooting (For problems related to IP and MAC/Physical Address/Ethernet ID. Links to Network Troubleshooting for Mac OSX and Windows)
[3] To identify what specific IP Addresses mean, scroll down to "Decoding IP Addresses"

[4] Vista (For specific Vista information)

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