You can actually change your MAC address using ifconfig for many types of NIC's.

--James

2009/4/30 Eric Martin <freak4uxxx@gmail.com>
Anthony Metcalf wrote:
> Sergey A. Kobzar wrote:
>
>> James, thank you for the useful tip. The output of macchanger:
>> # macchanger eth1
>> Current MAC: 00:15:17:1a:6e:6d (Intel Corporate)
>> Faked MAC:   00:15:17:1a:6e:6e (Intel Corporate)
>>
>>
>> # macchanger eth0
>> Current MAC: 00:15:17:1a:6e:6c (Intel Corporate)
>> Faked MAC:   00:15:17:1a:6e:6d (Intel Corporate)
>>
>>
>> How is it possible? I thought NIC has one MAC only.What does mean
>> 'Faked MAC'?
>>
>>
> Current MAC = MAC in firmware on the card, Faked MAC = MAC the OS is
> telling the network?
>
>
>
yes, you can set the mac to what ever you want.  There's a line in
/etc/conf.d/net that explains how to do this (with macchanger).