Find The MACAddress

E.g.: 00:0a:fc:33:3f:bc

To retrieve it please follow the instructions below for your operating system.

• Windows 95, 98, ME
  1. click "Start"
  2. select "Run..."
  3. type "winipcfg"
  4. click "OK"
  5. select ethernet interface
  6. record the "Adapter Address"

• Windows NT, 2000, XP
  1. click "Start"
  2. select "Run..."
  3. type "command"
  4. click "OK"
  5. in the started DOS window, type "ipconfig /all"
  6. record the interface address

• Linux
  1. bring the ethernet interface up with a command like "ifup eth0"
  2. run "ifconfig eth0"
  3. record the "HWaddr"

• Mac OS X
  1. open "System Preferences"
  2. click on the "Network" icon
  3. record the "Ethernet Address"

• Classic Mac OS (Open Transport)
  1. open the "TCP/IP" control panel
  2. click the "Info" button
     • if no "Info" button is present, choose "Edit"->"User Mode..."->"Advanced" and try again
  3. record the value in "Hardware address"

• Classic Mac OS (pre Open Transport)
  1. open the "Network" control panel
  2. alt-click onto the active network interface icon
  3. record the hardware address

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http://help-desk.princeton.edu/kb/display.plx?ID=5094