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Re: [libvirt] RFC: configuring host interfaces with libvirt



On Fri, Jan 16, 2009 at 12:41:42PM +0000, Daniel P. Berrange wrote:
> On Fri, Jan 16, 2009 at 12:35:55PM +0000, Richard W.M. Jones wrote:
> > On Fri, Jan 16, 2009 at 01:13:18AM +0000, David Lutterkort wrote:
> > > For certain applications, we want libvirt to be able to configure host
> > > network interfaces in a variety of ways; currently, we are most
> > > interested in teaching libvirt how to set up ordinary ethernet
> > > interfaces, bridges, bonding and vlan's.
> > [...]
> > > 3. Implementation
> > > =================
> > > 
> > > Configuring network interfaces is highly OS and OS-variant/distro
> > > dependant. There are at least two different ways how libvirt can go about
> > > modifying the host to create interfaces:
> > > 
> > >   1. Modify the system's network setup scripts (ifcfg-XXX on RH)
> > > 
> > >   2. Directly use the system's network utilities like ifconfig
> > > 
> > >   3. Rely on NetworkManager (not an option right now, as NM doesn't know
> > >     about bridges and the like)
> > 
> > I must be missing something here ... how can libvirt modify stuff
> > inside the guest?
> 
> It can't - this is all about configuring & managing networking on the
> host OS.

Well OK then, how does the information get passed into the guest?

Rich.

-- 
Richard Jones, Emerging Technologies, Red Hat  http://et.redhat.com/~rjones
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine.  Supports Linux and Windows.
http://et.redhat.com/~rjones/virt-df/


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