The easy way is to use bridging setup, but create bridges manually.
On Sun, Feb 27, 2011 at 9:36 PM, Christophe Bailleux
> Hi everyone,
> I need your help. I would like to create a front-back architecture with Xen.
> My physical server has only one public Interface.
> Currently, my DOM0 is using the network-route configuration:
> (network-script 'network-route netdev=eth0')
> (vif-script vif-route)
> My DOM1 is configured with a public IP + proxy_arp with DOM0. DOM1 can
> connect any address on Internet and is accessible from Internet too.
> Now i would like to add a private IP address on DOM1 in order to comunicate
> with DOM2, 3 and 4 who is configured with just a private IP address.