[Xen-users] Internet access for virtual network under Xen 3.0

["Falko Timme" <ft@xxxxxxxxxxxxxx>]

Hi all,

I have the following setup (on Debian Sarge):

dom0 has one real network card (eth0, 192.168.0.100) with the gateway
192.168.0.1, and one dummy network interface, dummy0, with the IP address
192.168.3.1.
I have two domUs, vm01 (192.168.3.2) and vm02 (192.168.3.3), with their
gateway being dom0's dummy0 interface (192.168.3.1).
In /etc/xen/xend-config.sxp I have changed

(network-script network-bridge)

to

(network-script 'network-bridge netdev=dummy0')

and rebooted the system. Nothing else has been done, no iptables rules, etc.
In dom0 I have internet access, and I can ping 192.168.3.2 and 192.168.3.3.
>From vm01 and vm02 I can ping 192.168.3.1, 192.168.3.2, 192.168.3.3 and even
192.168.0.100, but I cannot ping 192.168.0.1, and I don't have internet
access in vm01 and vm02.

What do I have to do in order to change this?

On Xen 2.0.7 I did it like this:
http://www.howtoforge.com/perfect_xen_setup_debian_ubuntu_p6
but it doesn't work for Xen 3.0. :-(

Thank you.

Falko Timme


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