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
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