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Re: [Xen-users] correct steps to add XEN bridge to Debian squeeze?

Am 08.09.2011 um 15:45 schrieb Rudi Ahlers:

> On Thu, Sep 8, 2011 at 3:37 PM, Christian Motschke
> <christian@xxxxxxxxxxx> wrote:
>> Am 08.09.2011 um 15:15 schrieb Rudi Ahlers:
>>> On Thu, Sep 8, 2011 at 2:06 PM, Christian Motschke
>>> <christian@xxxxxxxxxxx> wrote:
>>>> Do you have libvirt-bin installed?
>>>> Is there the xenbr0 configured (maybe in 
>>>> /etc/libvirt/qemu/networks/default.xml)?
>>>> If yes, the bridge will be created on system startup from libvirt???
>>>> Regards.
>>>> Christian
>>> Hi Christian,
>>> libvirt-bin wasn't installed, and I didn't know I should have installed it.
>>> so I just installed it but how do I get xenbr0 up?
>> If you have defined bridges in /etc/libvirt/qemu and a link from 
>> /etc/libvirt/qemu/autostart to the definition exists, than the bridges will 
>> be set up with /etc/init.d/libvirt-bin.
>> But I would not suggest to create your bridges with libvirt.
>> You do not need to install libvirt at all. XEN runs fine without it. Only if 
>> you would like to manage your VMs with virt-manager, than you need to 
>> install it.
>> If libvirt-bin was not installed, than I don't know, what has configured the 
>> xenbr0 bridge.
>> Can you grep recursively through /etc to find the definition of xenbr0?
>> The problem is, that your system seems to define xenbr0 with peth0 as 
>> network device. peth0 is the renamed eth0 that you also try to use in the 
>> bridge definition in /etc/network/interfaces. That's why after a restart of 
>> the networking your server looses the connection.
> Christian I appreciate your attempt to help me, but your making me run
> in circles and confusing me a LOT.
My first answer was correct and Dominic Mason suggested exactly the same. Your 
problem is, that somewhere else in your system xenbr0 will be created. As long 
as you don't know where, you will not get it up and running. And now I shut up 

> So if anyone else can please point me in the right direction to get a
> "xenbr0" bridge setup in Debian Squeeze I would appreciate it.
> Surely I can't be the only one using this combination?
> -- 
> Kind Regards
> Rudi Ahlers
> SoftDux
> Website: http://www.SoftDux.com
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