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Re: [Xen-users] xen kernel and e1000 problem

Gémes Géza írta:
> Matt Richardson írta:
>   
>> On 1/1/07, Gémes Géza <geza@xxxxxxxxxxxxxxxxxxx> wrote:
>>     
>>> Matt Richardson írta:
>>>       
>>>> On 12/26/06, Gémes Géza <geza@xxxxxxxxxxxxxxxxxxx> wrote:
>>>> <snip>
>>>>         
>>>>> Etch, Xen 3.0/kernel 2.6.18. What should be noted with the bridged
>>>>>           
>>> setup
>>>       
>>>>> in Debian you don't try to activate the interfaces at all, just the
>>>>> bridges you've configured on them.
>>>>>
>>>>> Good Luck!
>>>>>
>>>>> Geza
>>>>>           
>>>> Can you describe this a little more?  I noticed this behavior last
>>>> week after installing Etch/Xen.  I couldn't get any networking until I
>>>> brought up a DomU, which in turn brought up the bridge.
>>>>
>>>>
>>>>         
>>> I bring up the bridge via /etc/network/interfaces:
>>>
>>> auto xenbridge-e1000
>>> iface xenbridge-e1000 inet static
>>>       address 172.16.0.2
>>>       netmask 255.255.255.0
>>>       network 172.16.0.0
>>>       bridge_ports eth-e1000
>>>
>>> (I've renamed the interfaces via udev, but it should work as well with
>>> bridge_ports eth0, or something like that)
>>>
>>> And have in my /etc/xen/xend-config.sxp:
>>>
>>> (network-script network-dummy)
>>>
>>>
>>> Network is working from the bootup regardless of any DomU running or
>>> not.
>>>
>>> Good Luck!
>>>
>>> Geza
>>>
>>>
>>>       
>> That works like a champ, thanks!  Now for the hard question:  why is
>> the Debian configuration different from the docs at xensource?  I know
>> my ignorance is showing, but I'm really curious to find out what is
>> happening behind the scenes.
>>
>> take care,
>>     
>
> First time I've read about this type of net setup on a howto made by
> Julien Danjou (the page disappeared  by then)
> I think similar setup could be made with other distros too, the
> difference beeing their net configuration files.
> The main idea is to have bridges instead of plain ethernet  interfaces 
> if they are configured by xend or your  networking setup doesn't make
> too much difference.  IMHO the ' Debian way' is cleaner, because it
> doesn't have to do the extra steps of configuring the ethernet
> interfaces, then moving that config to the bridge (which involves more
> steps as described in the xen networking documentation). I think the
> 'Xensource way' of configuring network has became so widespread because
> it doesn't involve administrator effort in configuring a bridge, but it
> is quite problematic in the case when you need to give more than one
> virtual interface to a DomU (I had).
>
> Cheers,
>
> Geza
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>   
Just as a sidenote, in the meantime I've found the current version of
Julien Danjou's howto:
http://julien.danjou.info/xen.html

Cheers,

Geza


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