From mboxrd@z Thu Jan 1 00:00:00 1970 From: bert hubert Subject: bridge between ppp and ethernet - 1 IP address and assign it to another host Date: Sat, 5 Mar 2005 23:04:30 +0100 Message-ID: <20050305220429.GA9335@outpost.ds9a.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: netdev@oss.sgi.com Content-Disposition: inline Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Hi people, I have an application that wants a Real IP Address, but for a variety of good reasons, I can't connect the machine to the internet directly. So, I need this: DSL - Linux - Windows PC Where I need the Windows PC to think it has the real single IP addres assigned to me by the DSL provider. I run PPTP on the Linux box, which should not touch traffic for that IP address. Now I know that several DSL routers are capable of this stunt, so we should be able to do this too. But how? Linux is pretty stubborn in routing packets for its own IP address elsewhere (rightfully so). I previously spent some time on this with a lot of SNAT/DNAT trickery but it is not very pleasing, nor did it work. What we're trying to do is a lot like building a bridge between ethernet and ppp, but not quite. Anybody have ideas? If we find something I'll post it on http://lartc.org. -- http://www.PowerDNS.com Open source, database driven DNS Software http://netherlabs.nl Open and Closed source services