Network: MAC Addresses

A MAC address is also referred to as the network adapter address, physical address, Ethernet ID or hardware address. The MAC address is represented as a 12 character hexadecimal expression, for example, 00-00-C0-8E-A1-DE.

Windows

  1. Log into Windows.

  2. Click Start. Enter Command Prompt in the search bar and press Enter.

  3. At the C: prompt, type ipconfig  /all and press Enter. There must be a space before the switch /all. The MAC address is labeled as "Physical Address."

Mac OS X

  1. Log into Mac OS X.

  2. Open System Preferences from the Apple menu or the Dock.

  3. Click the Network icon.

  4. Select Ethernet Connection from the list on the left. Click Advanced.

  5. Click the Hardware tab to display the MAC address.
    Note: In earlier versions of OS X, click the Ethernet tab. 

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