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xen-users
Re: [Xen-users] Migrating domUs behind a firewall backend domU
On Wednesday 23 April 2008 09:01, you wrote:
> Whoops, forgot to post to the list:
>
> I'm just taking a totally blind stab, but here it goes:
>
> If I'm reading correctly, your Firewall DomU is providing NAT for the other
> DomUs. Is the IP interface that faces the other DomUs the same IP on both
> machines? IE, do ALL DomUs, regardless of physical machine, use the same
> gateway IP address?
Thanks for the answer.
The netbackend domUs are _not_ doing NAT. They just keep unwanted traffic
out. If I flush all iptables rules and merely do forwarding on the
netbackend domUs I get the same effect.
To answer your question: Yes, all domUs, regardless of their physical host,
use the same gateway IP. In fact all domUs and the physical machines are on
the same subnet.
Jan
--
Jan Behrend
Max-Planck-Institut fuer Radioastronomie
Abteilung fuer Infrarot-Technologie
Auf dem Huegel 69, D-53121 Bonn (Germany)
Tel: (+49) 228 525 319, Fax: (+49) 228 525 411
jbehrend@xxxxxxxxxxxxxxxxx http://www.mpifr-bonn.mpg.de
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