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I have a physical machine with two nics.

I already have a fully working cobbler server and I am able to deploy a bare metal or dom0 server in a few minutes. My target OS is RHEL5.

My goal is to deploy a dom0 installation in which only eth0 is up and configured (I can already do it now), and a number of domUs that are only bound to the other physical nic, eth1.

I can assign a different IP for each domU if necessary, of course.

Anybody can point out a link to documentation or an idea to accomplish my task?

The reason of my intent is security, dom0 would be only reachable by a management network, while domUs will only live on public network.

Thanks in advance

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Create a bridge in the dom0, connect eth1 in the dom0 to that, and then configure the domUs to connect to the bridge as well.

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Uhm, any pragmatic way to do it in cobbler? Moreover, why the need for a custom bridge to be shared by every domU? – AlberT Oct 5 '09 at 8:50
I know nothing about cobbler, never touched and I hopefully never will. It's not a "custom" bridge, it's how you're supposed to do switched network in a virtualised environment. – womble Oct 5 '09 at 9:02
So it is already what cobbler does. – AlberT Oct 5 '09 at 13:15
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I found (only now unfortunately) a cobbler doc explaining how to do the job in a cobbler/koan way:

This is a very good starting point for me, I'm going to implement it.

The solution arrived from RHEL5 docs for xen libvirt virtualization: http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5.4/html/Virtualization_Guide/chap-Virtualization-Pre_Red_Hat_Enterprise_Linux_5.4_Xen_networking.html

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