[CentOS] Re: Is there a way to save the routing table permanently?

Rob Townley rob.townley at gmail.com
Wed Aug 20 05:22:15 UTC 2008


On Tue, Aug 19, 2008 at 11:32 AM, ABBAS KHAN <bashukhan at gmail.com> wrote:

> Thanks Bob for the additional tip :)
>
>
>
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> On Tue, Aug 19, 2008 at 9:28 AM, Bob Beers <bob.beers at gmail.com> wrote:
>
>> IIANM, you can also use /etc/sysconfig/network-scripts/route-eth*, no?
>>
>> Take a look at /etc/sysconfig/network-scripts/ifup-routes script.
>>
>> -Bob
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How many NICs?
SELinux?

When you have SELinux, two NICs each that would use two different gateways,
system-config-network is worthless whether using the GUI or text based one.
The route will not stay permanent.  ifup would not process either route.ethX
nor ethX.route - at least not enough for it to show in route.  Had to set
the routes in /etc/rc.local.   Of course, you can't set two default
gateways, but you can add two routes via something like the following:

route add -net 0.0.0.0 netmask 0.0.0.0 gw     a.b.c.d    dev eth0
route add -net 0.0.0.0 netmask 0.0.0.0 gw     w.x.y.z    dev eth1
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