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xen-devel
Re: [Xen-devel] two host interfaces to same virtual lan?
I see.. I was thinking of the 'wire' you're speaking of as a switch
that other domains (including dom0) could 'plug into' somehow, not a
crossover cable, in which case I would have to do it via Linux. I don't
have any Xen installs right now, so I didn't get a chance to experiment
(mailing list faux pas, but thankyou for answering!).
On Thu, 09 Sep 2004 21:36:47 +0100
Ian Pratt <Ian.Pratt@xxxxxxxxxxxx> wrote:
> > Thankyou for previous responses about my compiler question, I appreciate it!
> >
> > I have another quick question. I want to create a virtual LAN and have
> > domain0 be a NAT gateway to NATd VMs. Is it possible for domain0 to
> > have two network interfaces on this LAN?
>
> I'm not sure I understand what you're trying to do. The bottom
> line is that you can think of the vifX.Y interface that appears
> in domain 0 as being connected to the domain's ethY interface by
> a virtual piece of wire.
>
> You can create a domain with multiple eth interfaces, which will
> thus appear as multiple vif's in domain 0. How you choose to
> interconnect these vif's is entirely up to you. You can use any
> of Linux's networking capabilities such as bridging, routeing,
> firewalling, NAT, etc. When thinking about how to configure
> domain 0, just think about how you'd do the same thing if instead
> of using virtual machines, the other domains were actually other
> physical machines connected via ethernet cables to dedicated
> ethernet cards within the domain 0 machine. You configure
> networking in Xen in exactly the same way.
>
> Ian
>
>
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