Date: Sat, 10 Jan 2004 13:18:02 +0100 From: Antoine Jacoutot <ajacoutot@lphp.org> To: freebsd-ipfw@freebsd.org Subject: routing and fwd Message-ID: <200401101318.02073.ajacoutot@lphp.org>
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Hi :) I have a simple problem and I was told this was possible to use ipfw to resolve this. I have a FreeBSD gateway which has 2 internet connexions: - con1 with a fixed public @ip range - con2 with a dynamic @ip connection with a DSL modem I would like to route all paquets coming from the DMZ (fixed public @ip range) and going to the Internet using con1 and route all paquets coming from LAN and going to the Internet using con2+NAT. I would also like to route paquets normally between LAN and DMZ. The default route on the gateway would be con2 (the dynamic @ip DSL connexion). Is it possible to build such a setup with ipfw ? I was thinking about something like: add divert 8668 ip from $LAN to !$DMZ via $con2 add fwd ip from $DMZ to !$LAN via $con1 But I was concerned about the fact that since my default route (on the gateway) would be con2, how would the paquets coming from the DMS be routed using con1 ? I hope this is understandable... ---------------- INTERNET ---------------- | | | | ---------------- con1 con2 FREEBSD_GATEWAY em1 em0 ---------------- | | | | DMZ LAN Thanks for any inputs.... Note that I do no need failover, load balance, bonding... I just want to convert 2 gateways (one for each NET connection) into 1. Regards, Antoine
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