let's have a look at www.lartc.org may can help you!! regards, diego ----- Original Message ----- From: "per j" <perj8@hotmail.com> To: <netfilter@lists.netfilter.org> Sent: Wednesday, February 05, 2003 2:25 PM Subject: Re: dual gateways > How about this? Use at to ping something on the Internet periodically or > ping the T3 router. Modify the defaultroute by using route whenever ping > returns false. Use MASQUERADE instead of SNAT in Netfilter. > > >I'm sure this is possible, but I just haven't gotten it to work right by > >playing around with the settings. > > > >I've got three NICs in the firewall box. I've also got two routers that go > >to the Internet via two separate lines (a T1 and a partial T3). I've got > >my > >default gateway set on the linux box to go out via the T3 and NAT setup for > >my clients to route out via that interface. I'd like to know if it's > >possible to setup a failover route to redirect clients out the T1 should > >the > >T3 not be available, even if the router is. Here's the basic diagram: > > > > > > (default route) > > eth2 <---> |T3 Router| <---> Internet > >LAN <---> eth1 |firewallBox| > > eth1 <---> |T1 Router| <---> Internet > > > > > >Khanh Tran > >Network Operations > >Sarah Lawrence College > > > _________________________________________________________________ > The new MSN 8: advanced junk mail protection and 2 months FREE* > http://join.msn.com/?page=features/junkmail > >
