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Re: [Xen-users] Suggestions on networking ?

  • To: Xen User-List <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
  • Date: Fri, 26 Jun 2009 09:10:24 +0700
  • Delivery-date: Thu, 25 Jun 2009 19:12:08 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

On Thu, Jun 25, 2009 at 9:30 PM, Cédric
Villemain<cedric.villemain@xxxxxxxxxx> wrote:
> All is fine *except* that domU don't have access to
> internet (this is my main problem).
> My current config use network-bridge netdev=eth1 (eth1 have a static private
> ip).

When designing such setups, with bridge networking, I often find it
easier to think of dom0 as a switch or router, and domU like any other
physical server on your network.

In your setup you're making dom0 act as router/firewall. Your problem
is that probably you haven't setup ip forwarding and NAT on dom0 to
allow domU internet access.

Note that (if you want) you could also have dom0 act like a switch. In
that scenario you'd need another domU, with two network interfaces
connected to both dom0's eth0 and eth1, acting as router/firewall.


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