[libvirt] How can I attach a network interface to KVM machine

[Anton Protopopov]

2009/4/7 Daniel P. Berrange <berrange at redhat.com>

> On Tue, Apr 07, 2009 at 05:30:02PM +0400, Anton Protopopov wrote:
> > Hi.
> >
> > When I am trying to attach an interface
> >     <interface type='bridge'>
> >       <mac address='52:54:00:db:1a:bb'/>
> >       <source bridge='mkvebr0'/>
> >     </interface>
> > libvirt reports me, that
> >      libvirt.libvirtError: this function is not supported by the
> hypervisor:
> > this device type cannot be attached
> >
> > Is there a legal way to attach a network interface to QEMU/KVM machine?
>
> Not at this time. The QEMU monitor interface doesn't provide sufficient
> functionality to be able todo this, because there's no way to pass have
> libvirt create & setup the TAP device, and then pass it to QEMU. The
> QEMU monitor needs to gain the ability to do SCM_RIGHTS to accept an
> open file handle before we can hotplug NICs in any useful manner.
>
And what about attaching a device to stopped machine?
Stop, attach, and start. Just as temporary decision.


>
> Daniel
> --
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>
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