macchanger - Man Page

• View the current and permanent MAC addresses of a interface: macchanger --show interface
• Set interface to a random MAC: macchanger --random interface
• Set an interface to a random MAC address, and pretend to be a [b]urned-[i]n-[a]ddress: macchanger --random --bia interface
• Set an interface to a specific MAC address: macchanger --mac XX:XX:XX:XX:XX:XX interface
• Print the identifications (the first three bytes of a MAC address) of all known vendors: macchanger --list
• Reset an interface to its permanent hardware MAC address: macchanger --permanent interface

tldr.sh

macchanger [options] device

macchanger is a GNU/Linux utility for viewing/manipulating the MAC address for network interfaces.

macchanger accepts the following options:

-h,  --help

Show summary of options.

-V,  --version

Show version of program.

-s,  --show

Prints the current MAC. This is the default action when no other option is specified.

-e,  --ending

Don't change the vendor bytes.

-a,  --another

Set random vendor MAC of the same kind.

-A

Set random vendor MAC of any kind.

-r,  --random

Set fully random MAC.

-p,  --permanent

Reset MAC address to its original, permanent hardware value.

-l,  --list[=keyword]

Print known vendors (with keyword in the vendor's description string).

-b,  --bia

When setting fully random MAC pretend to be a burned-in-address. If not used, the MAC will have the locally-administered bit set.

-m,  --mac XX:XX:XX:XX:XX:XX, --mac=XX:XX:XX:XX:XX:XX

Set the MAC XX:XX:XX:XX:XX:XX.

macchanger -A eth1

ifconfig (8)

Alvaro Lopez Ortega <alvaro@alobbs.com>.