Re: [Xen-users] Interface Order

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Wolfgang Hennerbichler wrote:
> Hi Xen folks,
>
> I have a question where I couldn't find the answer on google or in the 
> archives...
> I have a statically compiled xenU kernel, and I want a XEN guest with 
> 2 network interfaces. My config looks like this:
> name = "myname"
> kernel = "/boot/vmlinuz-2.6-xenU"
> memory = 256
> vif = [ 'bridge=br701', 'bridge=br9' ]
> disk = [ 'phy:vg0/myname,hda1,w','phy:vg0/myname_swap,hda2,w' ]
> ip="1.2.3.4"
> netmask="255.255.255.0"
> root = "/dev/hda1 ro"
> extra = "2"
>
> Unfortunately the interface order in the (Linux)-Guest seems to be 
> random. This means after booting the guest the IP 1.2.3.4 is assigned 
> to either br701 or br9, but it's always random (both interfaces work 
> in the guest though). If I define mac-addressses for the interfaces 
> there is no difference. Can I somehow "lock" those interfaces? I don't 
> know how. I'd appreciate your help!
> wogri
Use pre-defined MAC addresses, and most Linux environments have a way of 
associating specific MAC addresses with specific network ports. Under 
RedHat and its ilk, it's in /etc/sysconfig/ntework-scripts/ifcfg-eth0 
and is the HWADDR setting.
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