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Re: [Libvir] Inconsistent networking between Xen & QEMU



On Fri, 2007-03-09 at 19:38 +0000, Daniel P. Berrange wrote:
> On Fri, Mar 09, 2007 at 07:17:04PM +0000, Mark McLoughlin wrote:
> > On Fri, 2007-03-09 at 18:52 +0000, Daniel P. Berrange wrote:
> > > On Fri, Mar 09, 2007 at 04:44:17PM +0000, Mark McLoughlin wrote:
> > 
> > > > 	Rather you suggest that if people want to use bridging, then they
> > > > should modify the default network XML config by hand and not have the
> > > > latter option in the UI?
> > > 
> > > How they configure the network XML is a completely separate issue - we could
> > > easily have UI in virt-manager for creating/deleteing/editing networks in
> > > the same way we have UI for creating/deleting/editing domains.
> > 
> > 	... except you'd again have need an API for iterating physical network
> > devices ...
> 
> You say that like its a bad thing ?

	Not at all, I'm just saying that making the physical interface bridging
configuration a part of the virtual network description does not make
the problem of listing physical interfaces go away.

> > 	e.g. connect your qemu guests to the default network, connect your Xen
> > guests to the eth0 bridge.
> 
> I'm just wondering whether this is making a distinction, where no real
> distinction exists? If you run 'ifconfig' or 'brctl show' in either
> of these two cases its going to look basically identical to the admin.
> ie, there a bridge device, with one of more NICs in it, some virtual
> NICs or TAPs, some physical NICs. If you run 'virsh net-list' you're
> only going to see one of those cases 

	I think there's a big distinction between the concepts which we want
users to understand, but not such a big distinction in how they are
implemented.

Cheers,
Mark.


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