@desmaxi

"The local ip address is not based on the MAC address. The router uses DHCP to give the devises an"

"ip address. So there is no way to tell the router which IP he must give you other than changing"

"the settings.

This is not true because 'sudo apr -a' will show all of the information about IP and MAC address pairs on the LAN! If you are running Windows Microsoft may in fact hide this information from the user. In Unix (Linux, BSD, and others) have the apr command so that this information can be readily accessed.