On Fri, Nov 9, 2012 at 9:39 AM, Fernando Lozano <fernando@xxxxxxxxxxxxx> wrote: > Hi, > > I have two internet links, from different ISPs for my office network, each > one with it's own router (which is a linux PC) so I don't loose internet > connectivity easily. One ISP has a much higher bandwitch, so usually all my > computers use it as the default gateway. The other one is intended as a > contingency link. Some routers will do this for you, in either a "load-balanced" or contingency configuration. For example, the Cisco RV042. Some of the router distros, Clear OS, Vyatta, m0n0wall, and the shorewall package can help with multiple ISP configurations. For shorewall: http://www.shorewall.net -> Documentation -> Multiple Internet Connections from a Single Firewall. > Today I have to manually change the default gateway on all computers when > the main link goes down. I want an automated way to do this. > > All how-to's I could find on google were such as: > http://www.generationip.com/documentation/network-documentation/93-howto-setup-multiple-default-gateway-on-linux > > Where they use iproute2 so a single router/computer can switch between two > internet links. While I can undersand this scenario, the single computer > becomes a single point of failure. I don't want to setup a "cluster" using > heartbeat, cluster suite and similars just to provide a router failover. It > looks overkill. > > Other problem, all iproute2 samples I find thave those two gateways on > different subnets and use the source address to route properly and avoid > problems like "onion routing". > > I'd like to have two routers/computers on the same subnet, each one > connected to it's own internet link, and have the network computers switch > from the main one to the contingency one when needed. > > So a computer would have two default gateways on the same subnet. I can't > find how to change the iproute2 samples setup so the gateways can be on the > same subnet and everything works. I allways end up having all traffic going > though one link and when it fails I loose internet connectivity. > > > []s, Fernando Lozano > > -- > users mailing list > users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org -- Dale Dellutri -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
