Re: [Xen-users] an attempt to explain xen networking

["Dirk H. Schulz" <dirk.schulz@xxxxxxxxxxxxx>]

CJ van den Berg schrieb:

> On Fri, Feb 03, 2006 at 12:21:33PM +0100, Dirk H. Schulz wrote:
>  
>
> > Hi Patrick,
> >
> > does this concern Xen 3 only or is it wrong? :-)
> >
> > I do have a standard xen-bridged setup (xen 2.0.7), but in my case eth0 
> > is not connected to a vif0.0 which in turn is connected to the bridge.
> > My eth0 is directly connected to the bridge, there is no peth.0 
> > connected to the bridge.
> >    
> Yes, this is new in 3.0. I'm not sure I get the point though myself.
>
> Maybe someone in the know would like to explain what the point of having
> peth is as opposed to just adding eth0 to the bridge? I have a feeling that
> there's a good reason for this setup, but I can't quite see what it is.
>  
It is good to have the physical interface and the dom0 interface 
separated; thus you can e.g. setup a firewall on dom0 that does not 
affect the traffic to the domUs (just for protecting dom0 alone).
Dirk


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