Many times you need to provide your network administrator with your mac address to gain access to protected network access. Here are the steps you can take to find your MAC Address on a Mac OSX
Access "System Preferences"
1 – Click the Apple icon in The top left corner of your screen.
2 – Select "System Preferences"
Access the "Network" preferences
Click on "Network" under Internet & Wireless.
On the left of the window select "The Network Connection"
Then select "Advanced…"
Click "Ethernet" on the tab
There you have your "Ethernet ID" also known as your MAC Address.
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