Ahmed Kamal wrote:
Hi List, I'm fighting with a small problem. My eth1 NIC has IP 172.30.0.0/16, whenever the interface is started, an automatic route is added 172.30.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1 The thing is, this would generally be right for most people, but not for me. I need it to be 172.30.0.0 172.30.0.1 255.255.0.0 UG 0 0 0 eth1 to pass from our router. I have added a file route-eth1 with the following 172.30.0.0/16 via 172.30.0.1 dev eth1 But when restarting the interface, this gives error "RTNETLINK answers: File Exists", I think this error is because of the automatically added route. The question is how do I get rid of that automatically added route, and add mine! I need to do this the redhat way (i.e not rc.local). Any help is highly appreciated :) Regards
The first route says use eth1 for all local subnet traffic on 172.30.0.0/16 and use the default route for everything else.
So, adding a default route to point to 172.30.0.1 would take care of that. You can do this by adding a GATEWAY=172.30.0.1 in your /etc/sysconfig/network or in /etc/sysconfig/network-scripts/ifcfg-eth1
If you add it to /etc/sysconfig/network, it will make it the default route for the system. If you add it to ifcfg-eth1, then whichever interface gets processed last wins the default route.
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