openstack team mailing list archive

[Vishvananda Ishaya <vishvananda@xxxxxxxxx>]

Public interface is the interface used for adding floating (natted) ips.  If this is generally eth0 in the domU then ignore my previous message.

Vish

On Mar 29, 2012, at 11:20 AM, John Garbutt wrote:

> The public interface, I thought was the interface of the DomU running the service, and it attached its own bridges inside the DomU?
>  
> I have tried to describe all this here:
> http://wiki.openstack.org/XenServer/NetworkingFlags
>  
> Would be cool if people can check that for me, and I can push it into the manuals.
>  
> Cheers,
> John
>  
> From: Vishvananda Ishaya [mailto:vishvananda@xxxxxxxxx] 
> Sent: 29 March 2012 19:15
> To: John Garbutt
> Cc: Salvatore Orlando; Alexandre Leites; Ewan Mellor; openstack@xxxxxxxxxxxxxxxxxxx; todd.deshane@xxxxxxx
> Subject: Re: [Openstack] [OpenStack] Xen Hypervisor
>  
>  
> On Mar 29, 2012, at 7:40 AM, John Garbutt wrote:
> 
> 
> If you want all your traffic going through a single nic (Management, Instance, Public), it might be possible using these settings:
>  
> public_interface=eth0
>  
> I don't think this will work unless the implementation is very different in xen.  xenbr0 will be bridged into eth0, so you actually want to be adding ips to the bridge not the raw eth device.  I would suggest
>  
> public_interface=xenbr0
>  
> Xen experts, please correct me if I'm wrong.
> 
> 
> flat_interface=eth0
> flat_network_bridge=xenbr0