Re: [Xen-users] multiple bridges on non-addressed interfaces

[Steve Wray <steve.wray@xxxxxxxxx>]

Fajar A. Nugraha wrote:
> On Mon, Feb 23, 2009 at 7:23 AM, Steve Wray <steve.wray@xxxxxxxxx> wrote:
> > However, this only actually *works* (for the domUs) if the interface is
> > assigned an address in dom0.
> >
> > Ie:
> >
> > auto eth2
> > iface eth2 inet static
> >  address 172.16.2.253
> >  netmask 255.255.255.0
> >  up /etc/xen/scripts/network-bridge start netdev=eth2
> >
> > works while this:
> >
> > auto eth2
> > iface eth2 inet manual
> >  up /etc/xen/scripts/network-bridge start netdev=eth2
> >
> > does not.
> Why don't you simply create the bridge in Lenny? Here's what I use in Ubuntu
>
> auto br11
> iface br11 inet manual
>     bridge_ports eth0.11
>
> This is a bridge-on-vlan config. I don't even need to specifiy
> settings for eth0 or eth0.11, Ubuntu takes care of them automatically.
> If you want to bridge eth2 then something like this should work.
>
> auto br2
> iface br2 inet manual
>     bridge_ports eth2
>
> Then you simply set your domU to use br2 on it's vif settings. br2 and
> eth2  should be up, without any ipv4 address assigned.

Ok this works, thanks for the tip! I had thought that the Xen scripts for 
setting up the bridges had some magic to hook them into Xen but apparently not.
I'm curious why it doesn't work 'the old way'; whether this is a change in 
Xen or in Debian. It seems odd.

> Regards,
>
> Fajar

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