In some situations you need to fake / change / spoofing a MAC address of your network interface. macchanger Linux command does this job in no time. With this tool you can change your mac address of any Ethernet network device wired or wireless. you can also change MAC address in windows, If you are running windows Operating system.
Here is a small example:
My original mac address:
Turn off your network interface:
Use macchanger to randomly generate new MAC address and assign it to eth0 network interface:
In case you see a following error message:
Make sure that your interface is down and you are running macchanger as a root user.
Enable eth0 network interface and check new MAC address:
If for example a specific MAC address is required use macchanger as follows:
macchanger also allows you to change mac address for a specific network card vendor. Use a -l option to print a list of all know network card vendors.