On Mon, 04 Apr 2005 21:40:27 -0700, mpekas@gmail.com wrote:


> ....
> So I de-register my desktops mac and through ifconfig I change it to
> the one I recently registered(powerbook)..
> Before i de-registered the desktops mac-adress, I could connect my
> powerbook ,running linux, to the dhcp server with a spoofed adress (The
> adress of my desktops' nic). It worked fine. I do the same thing in
> slackware and it doesn't work at all. So, my question is: "Why is this
> shit not working ? Are there ways to fix it? Might there be a chance
> that the realtek is a gigabit ethernet and the sungem is not?"
> ....

If I were you, I would have a look with tcpdump to see which MAC address
you are sending when you do the DHCP request. Maybe the ifconfig command
to change the MAC address isn't working on a realtek card.

John