The GNU MAC Changer is an open source GNU/Linux utility for viewing/manipulating the MAC address of network interfaces.
Features:
* Set specific MAC address of a network interface
* Set the MAC randomly
* Set a MAC of another vendor
* Set another MAC of the same vendor
* Set a MAC of the same kind (eg: wireless card)
* Display a vendor MAC list (today, 6800 items) to choose from
Possible usages:
You should use your imagination :-), but well, these are some examples:
* You're in a DHCP network with some kind of IP-based restriction
* You've a cluster that boot with BOOTP and you want to have a clean set of MACs
* Debug MAC based routes
Download:
The tool's sources can be downloaded from: macchanger-1.5.0.tar.gz, binaries for most distributions can be found at the project's website.