Configure 2 network cards

[Jason Dixon]

On May 19, 2004, at 8:51 AM, Charles.Collier at pimkie.fr wrote:

> I have 2 network cards on my server (running with Red Hat ES 3 update 
> 1)
>
> The first one is the main one, which is always working, the second one 
> is a backup.
>
> I'd like to know: how to configure my 2 network cards to change the 
> default card in case of problem (keeping the same configuration: IP, 
> gateway...).

If you want both cards to use the same network configuration, I think 
you'll want to use VRRP.   I haven't tried the following, but here is a 
userland implementation of VRRP:

http://off.net/~jme/vrrpd/

And this page from the Linux Advanced Routing and Traffic Control HOWTO 
describes a simple config with vrrpd:

  http://lartc.org/howto/lartc.other.html

HTH.

--
Jason Dixon, RHCE
DixonGroup Consulting
http://www.dixongroup.net