Changing MAC Number

[Noodles]

Do any of you guys know anything about a tut or any similar article that explains how to change a pcs MAC number.

first, is it possible to change a MAC number? i know that its a unique identification number, so well it hurt the system if i changed it?

if possible then how many times could i change my MAN number without any side effects.

[gordo]

http://irongeek.com/i.php?page=security/changemac

[Noodles]

thanks gordo
done it and it worked :)