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Re: [fedora-virt] networking in virtual machines using libvirt tools



> On Thu, 2009-07-23 at 15:01 -0400, Rich Mahn wrote:
> > I am trying to set up a virtual machine that has a routable IP address
> > on the same subnet (and physically the same ethernet card) as the host
> > machine, running f11 on the host.
> > 
> > Using virsh and related, I can easily set up the network on the VM as
> > a natted IP with dhcp.  This is taken care of in the defaults for
> > virt-manager.  I can also set up, (but not quite as easily) the
> > network the way I want on a CentOS/XEN host.  Unfortunately CentOS
> > doesn't have a number of other features that I want/need.
> > 
> > So...is there some XML snippet I can add to the domain that will
> > do what I want automatically?  Or is there a script (or maybe I need
> > to write one) that can be invoked to set up the interfaces?
> > 
> > I would certainly be appreciative to get some pointers on how to proceed.
> > 
> > To make what I want a little clearer:
> > 
> > My host has a routable IP address such as 123.45.67.89.  I want my
> > VM to have the routable IP address 123.45.67.90.

> Have you seen this?

>   http://wiki.libvirt.org/page/Networking#Fedora.2FRHEL_Bridging

> Unless I misunderstand, all you need to do is create a bridge for the
> interface in the host, connect the guest's network backend in the host
> and statically configure the guest's interface with that IP address.

> Cheers,
> Mark.

Thanks Mark.  That is exactly what I was looking for.  I'll try it out
and report back.

Rich



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