Re: Not just virtual IPs, but virtual MAC

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On Wed, 2004-03-24 at 12:40, Mike Burger wrote:
> I know I can use the "ip addr add" command to add IPs to my firewall system's
> public interface.  What I'd like to be able to do, however, is to 
> masquerade MAC addresses, as well.
> 
> I recently acquired business class DSL (recently being yesterday).  I though
> that I'd be able to simply set the modem/router to bridging mode (it's a
> 2Wire 1000HW) and fly.  Unfortunately, since I still have to do PPPoE, 
> and the techs don't think I can do this even if I have a PPPoE client running
> on the system, instead of the router, this router won't support what I want
> to do.
> 
> I probably have the option of swapping routers, but since I'm already up
> and running, I'd like the option of trying to make it work with this one.
> 
> Since the modem/router provides DHCP (after a fashion), and does it in a 
> relatively "static" way, based on MAC, I'd like to be able to masquerade 
> MAC addresses as well as IPs.
> 
> So...the $65,000 question now becomes:
> 
> How, if at all possible, to I add/masquerade/fake MAC addresses on an ethX
> interface under linux (FC1, in this case, but the answer is probably generic
> enough)?

ifconfig ethX hw ether 00:11:22:33:44:55

man ifconfig ;-)

Nils
-- 
     Nils Philippsen    /    Red Hat    /    nphilipp@xxxxxxxxxx
"They that can give up essential liberty to obtain a little temporary
 safety deserve neither liberty nor safety."     -- B. Franklin, 1759
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