On 02/01/2012 02:03 PM, Nick wrote: > Hi, > > I'm wanting to configure a CentOS 6 server to have a fall-back default route via > a second network interface. > > Given: > > - eth0 with 192.168.0.10 on subnet 192.168.0.0/24 gateway 192.168.0.1 > - eth1 with 192.168.1.10 on subnet 192.168.1.0/24 gateway 192.168.1.1 > > Where eth0's network is a "back door" to the internet, and eth1's is the "front > door", I believe I can configure the routing table manually like this: > > ip route default scope global \ > nexthop via 192.168.1.1 dev eth1 weight 1 \ > nexthop via 192.168.0.1 dev eth0 weight 2 > > However, I've re-read the RHEL6 documents for configuring static routes here: > > > http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/s1-networkscripts-static-routes.html > > This kind of thing doesn't seem to fit into the scheme of > /etc/sysconfig/network-scripts/route-eth? described there, since the route isn't > "for" any single interface. Is there a "RHEL/CentOS" way to do this, or do I > need to resort to some sort of script containing the above ip route command > inserted somewhere? > > And how do I stop CentOS from trying to pick its own default gateway settings > (since /etc/sysconfig/network likely won't have a GATEWAY parameter)? > > Hmm... I just tried this and besides needing ip route "add" default It does not seem to work when I unplug the cable on my primary link. -- Stephen Clark *NetWolves* Director of Technology Phone: 813-579-3200 Fax: 813-882-0209 Email: steve.clark at netwolves.com http://www.netwolves.com