To follow up, I had attempted this configuration before submitting the post to the mailing list over the past few days. Last night after reading Martin Brown's documentation, I discovered that I was ignorant of the arp_filter switch. After toggling arp_filter on it is working well. Martin, thank you for providing your Guide to IP Layer Network Administration with Linux. Regards, Jake > -----Original Message----- > From: Jake L. Wegman > Sent: Thursday, March 18, 2004 2:37 PM > To: 'lartc@xxxxxxxxxxxxxxx' > Subject: One interface, 2 ISPs > > Good afternoon everyone! > > I'm a iproute2 newbie however I've subscribed to the list since 2/9/03 - > I've re-looked through my archives for my situation and didn't notice it. > Forgive me if this has been hashed through before... > > I currently have "Split Access" (per the LARTC HOWTO) working on a server > with two external interfaces (1 interface per ISP). > > I have another server with a single interface connected to a "Internet" > hub cascading from ISP1 (SDSL router). > > Is it feasible to connect ISP2 (second SDSL router) to that same > "Internet" hub, then create an alias for the IP on the other subnet from > ISP2? > > [ISP1 - 216.xxx.xxx.112/28] \ > > [24 port "Internet" Hub] -> [Webmail > Server] > [ISP2 - 209.xxx.xxx.96/27] / > > > Webmail Server: > - eth0 - IP 216.xxx.xxx.119, DG 216.xxx.xxx.113 > - eth0:1 - IP 209.xxx.xxx.101, DG 209.xxx.xxx.97 > > So, my question is if I can use a single interface with two IP addresses > each on different subnets and have the appropriate "default" routes to > each of the SDSL routers? > > Is this a workable solution? > > If so, perhaps someone could direct me to an example configuration? > > The server is Gentoo running a 2.4.20 kernel, iproute2-ss010824, iptables > v1.2.8 > > Regards, > Jake _______________________________________________ LARTC mailing list / LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/