Re: [Xen-users] Xen Networking and bonded interfaces on Debia Lenny

[Tim Post <echo@xxxxxxxxxxxx>]

Hi,

On Sun, 2009-07-05 at 19:36 +0000, Joshua Boniface wrote:
> Greetings all. This has been an ongoing issue for me for a few months,
> and I've been trying to get an answer.
> 
> My server has two NICs, and I want to set up the following:
> 
> NICs (x2) -> bond (mode 5) -> Xen Bridge -> Doms

A little background for you, the purpose of network-bridge is to start
bridged networking when xend starts and take it down when xend stops.
Its a creature comfort that allows you to use Xen on your desktop
without going though the hassle of modifying / restoring your system
network configuration every time you want to use Xen.

In a production (server) environment, its much much better to just allow
your operating system to control networking. network-bridge is not smart
enough to deal with complex configurations.

To take network-bridge out of the picture, try this:

cat << EOF > /etc/xen/scripts/network-dummy
#!/bin/sh

exit 0
EOF

chmod +x /etc/xen/network-dummy

Check to be sure that the file is not already there prior to creating
it.

Then, edit /etc/xend-config.sxp , look for:

(network-script network-bridge)

Change it to:

(network-script network-dummy)

At this point, xend will not try to do anything to networking when it
starts. You can then configure the bond / bridge via whatever means is
sensible for your OS.

If you let us know what OS you are using, someone can help you with that
part too.

Cheers,
--Tim



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