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Routing to 2 ISP's

daemon@ATHENA.MIT.EDU (Mike Kilburn)
Sat Jan 27 20:57:30 1996

Date: 	Sat, 27 Jan 1996 10:03:52 +0200 (SAT)
From: Mike Kilburn <duxmike@mak2.conexio.com>
To: linux-net@vger.rutgers.edu


I trying to figure out how to get a linux box to forward packets based
on source address. On my gateway to the internet I want to dial-up
to a second ISP and use that port for all traffic to/from a particular host
on my lan. All other traffic would use eth0  to the other ISP. It seems
from the source code this cant be done. Does anyone know how or have a
patch? The linux box cannot run any routing protocols BTW. 

                                    LINUX BOX
                              |---------------------|
  ETHERNET TO GW FOR ISP 1 -- | ALL OTHER TRAFIC    | PPP
                              | TO/FROM 'MY LAN'    |------------ 'MY LAN'
                              |                     | LEASE
                              |                     | LINE
                        PPP   |                     |
     DIAL-UP TO  ISP 2 -------| ALL TRAFFIC TO/FROM |
                              | IP ADDRESS 'A' ON   |
                              | 'MY LAN'            |
                              |---------------------|

 -mak


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