[CentOS] Centos 6 - Persistant static routes

[Robert Moskowitz]

On 03/12/2015 04:12 PM, Les Mikesell wrote:
> On Thu, Mar 12, 2015 at 3:01 PM, Robert Moskowitz <rgm at htt-consult.com> wrote:
>>>>>> where it says to add to ifcfg-eth0:
>>>>>>
>>>>>> 192.168.128.0/17 via 40.53.24.3
>>>> That’s only for RHEL 7: http://goo.gl/AtjIyI
>>> Aside from being irritating, that's just wrong.   I'm using that
>>> syntax on Centos5,
>>
>> AH, I think I see what I did wrong.  I put that line in the ifcfg-eth0 when
>> according to this page, it goes in the route-eth0 just like the old format.
>> I will give that a try tomorrow...
>>
> Yes, I missed that part.  You can put a default gateway in the
> ifcfg-xxxx file with GATEWAY= but if you have more than one NIC you
> should only have one GATEWAY= entry  for the NIC facing that router,
> and any routes in a route-xxx file should be through a router where
> the next hop specified is reachable though the xxx-named interface.
> The routes are added as the interfaces are brought up and will fail if
> the gateway specified isn't reachable - as might happen if they need
> to go through an interface that isn't up yet.   If you only have one
> interface you don't have to worry about that - the default GATEWAY=
> can be in ifcfg-eth0 and the static route(s) through a different
> router on the same subnet go in route-eth0.
>
What I really need to do is get RIP working on that router and get my 
servers to listen to RIP...

One leap at a time!