CHANGE MAC ADDRESS IN BACKTRACK 4

1] For changing mac address to 11:12:43:44:75:56 (let say) 2] Just type -     macchanger --mac 11:12:43:44:75:56 eth0 3] eth0 is the interface name.     Use ifconfig command to check primary interface card. 4] get back the original mac address     This spoof mac address is not permanent, original mac is restored after reboot.     Without reboot, for getting back to original mac address-        type-     macchanger -s eth0     (this will list the original mac address of eth0 interface)     macchanger --mac originalmac eth0     (it will set the original mac address)