Setting up second nic for local lan backup

Paul M. Whitney paul.whitney at me.com
Thu May 5 14:06:49 UTC 2011


I found this through Google:

http://www.centos.org/docs/5/html/5.1/Deployment_Guide/s1-networkscripts-static-routes.html

and

http://kindlund.wordpress.com/2007/11/19/configuring-multiple-default-routes-in-linux/

Hope these help.

Paul M. Whitney
paul.whitney at me.com


On May 04, 2011, at 08:40 PM, Steven Buehler <steve at ibushost.com> wrote:

> I have a Redhat 5.2 box that I am trying to setup in internal lan on for
> backing up to a local machine since my Provider charges for any bandwith
> going over the external IP's even though it comes right back to another
> server of my network. Below is the setup for the 2 nics that I tried, but
> when I try to start the second nic with "ifup eth1", it looses the route for
> the first nic so my external IP will no longer work unless I restart it
> which then takes the route out of the second nic. What am I missing? I
> hope someone can help me with this. BTW, the second nic is connected to an
> internal router. I am assuming that I can't just use a switch instead any
> easier.
>
>
>
> # cat ifcfg-eth0
>
> DEVICE=eth0
>
> BOOTPROTO=none
>
> HWADDR=00:1c:23:d5:be:02
>
> IPADDR=101.110.67.100
>
> NETMASK=255.255.255.0
>
> GATEWAY=101.110.67.1
>
> ONBOOT=yes
>
> TYPE=Ethernet
>
> PEERDNS=no
>
>
>
> # cat ifcfg-eth1
>
> BOOTPROTO=static
>
> DEVICE=eth1
>
> ONBOOT=no
>
> IPADDR=192.168.2.151
>
> GATEWAY=192.168.2.1
>
> NETMASK=255.255.255.0
>
> HWADDR=00:1c:23:d5:be:04
>
> PEERDNS=no
>
> TYPE=Ethernet
>
>
>
> Thanks
>
>
>
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