How to Change MAC Address in Backtrack 5

Open your backtrack terminal and type ifconfig to check your MAC Address

In terminal, type ifconfig eth0 down this command is used for disabling the eth0 interface.

Now change the MAC address by using a simple command in backtrack macchanger –r eth0

Now type ifconfig eth0 up this command is used for enabling the eth0 interface

Now you can check your spoofed MAC Address type ifconfig