hello my dear friends

for changing the the mac address of my lan card( eth0) in linux fedora 9(solphur) i used this command

ifconfig eth0 hw ether (new mac address)

and i could change my mac address successfully but now i couldn't connect to my network via a dhcp server ( in configuration section of my router im going to check my new mac address (because i want to spoof)) , could you tell me how i can do that?

if there is no problem please answer my question as soon as possible.

i will appreciate