You are correct that by default the Xen package(s) will not seutp the bridge.
Your solution of adding the bridge manually will work, but it
isn't the preferred solution.
Instead you should edit the file /etc/xen/xend-config.sxp
Comment out:
(network-script network-dummy)
Uncomment the line:
(network-script network-bridge)
This will cause the Xen to create the bridge for you automagically.
The bonus of this approach is that it will allow your system to be
unchanged, and will allow your Xen host to have a bridge setup even
when using a DHCP address.
This is covered in the manual I believe, if not I've certainly
documented it in the past:
http://www.debian-administration.org/tag/xen
Anyway. I think that forcing this issue is wrong:
a) The user might get broken networking if I tried to enable it.
b) It makes unexpected changes to the host.
c) The host might be using a different network setup, such as
network-dummy, or network-nat.
If you have no objection I'm going to close this bug report. If
you do I will tag it 'wontfix' unless you can offer a convincing
argument that all users of Xen will want to use a bridge ...
Steve
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