Saturday, 2 June 2012

How to Change MAC Address in Mac OS X


Since Mac OS X 10.4.x (Darwin 8.x) onwards, the MAC address of wired Ethernet interface can be altered in Apple Mac OS X in a fashion similar to the Linux and FreeBSD methods. To do so, type the following command in Terminal.app:
sudo ifconfig en0 ether aa:bb:cc:dd:ee:ff
or
sudo ifconfig en0 lladdr aa:bb:cc:dd:ee:ff (for Mac OS X 10.5 Leopard)
where en0 is the network interface (numbered from en0, en1, en2 …) and aa:bb:cc:dd:ee:ff is the desired MAC address in hex notation.

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