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Virtual Networking help needed

 
 
lunarpc
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      12-21-2007, 08:08 PM
Hi,
I have a W2K3 host with a virtual W2K3. I've got them on a virtual network.
The host is on a live business network. I do not have access to a seperate
switch. This are testing machines for my learning enjoyment. I'm ready to run
AD on them but I want to isolate all the domain activity to my virtual
network and be able to use remote desktop to the host.

bottom line...host needs to connect to the internet but not broadcast domain
information except to the virtual network.

I'm not sure how to do that.

Any help is appreciated,
- Mary
 
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Bill Grant
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      12-21-2007, 11:03 PM
I agree that if you want to set up a test domain, you really need to
isolate it from physical LAN. If you do that, Internet access is not easy.

The best method to use is, not surprisingly, the same method that you
would use on a physical network. You set up your domain on an internal
virtual network with no links to any interface on the host (emulating a
switch with no connection to any other network).

To access the Internet you set up a vm which has one interface in this
network and one linked to a virtual network which can access the outside
world (such as a NIC in the host machine). You then configure this vm as a
NAT router. The machines behind NAT can acess the physical LAN, but the
physical LAN will be unaware of the virtual LAN.

There is the added complication that the standard settings for NAT are
not compatible with AD. Standard NAT uses the NAT router for DNS, and the
NAT router forwards the requests to a public DNS server. AD clients must use
the local DNS, so you need to set your local DNS to forward to a public DNS
so that public URLs can be resolved.


"lunarpc" <(E-Mail Removed)> wrote in message
news:837B1FD4-293A-4DFA-A983-(E-Mail Removed)...
> Hi,
> I have a W2K3 host with a virtual W2K3. I've got them on a virtual
> network.
> The host is on a live business network. I do not have access to a seperate
> switch. This are testing machines for my learning enjoyment. I'm ready to
> run
> AD on them but I want to isolate all the domain activity to my virtual
> network and be able to use remote desktop to the host.
>
> bottom line...host needs to connect to the internet but not broadcast
> domain
> information except to the virtual network.
>
> I'm not sure how to do that.
>
> Any help is appreciated,
> - Mary


 
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lunarpc
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Posts: n/a

 
      12-24-2007, 02:50 PM
Thanks Bill,
It worked like a charm!

"Bill Grant" wrote:

> I agree that if you want to set up a test domain, you really need to
> isolate it from physical LAN. If you do that, Internet access is not easy.
>
> The best method to use is, not surprisingly, the same method that you
> would use on a physical network. You set up your domain on an internal
> virtual network with no links to any interface on the host (emulating a
> switch with no connection to any other network).
>
> To access the Internet you set up a vm which has one interface in this
> network and one linked to a virtual network which can access the outside
> world (such as a NIC in the host machine). You then configure this vm as a
> NAT router. The machines behind NAT can acess the physical LAN, but the
> physical LAN will be unaware of the virtual LAN.
>
> There is the added complication that the standard settings for NAT are
> not compatible with AD. Standard NAT uses the NAT router for DNS, and the
> NAT router forwards the requests to a public DNS server. AD clients must use
> the local DNS, so you need to set your local DNS to forward to a public DNS
> so that public URLs can be resolved.
>
>
> "lunarpc" <(E-Mail Removed)> wrote in message
> news:837B1FD4-293A-4DFA-A983-(E-Mail Removed)...
> > Hi,
> > I have a W2K3 host with a virtual W2K3. I've got them on a virtual
> > network.
> > The host is on a live business network. I do not have access to a seperate
> > switch. This are testing machines for my learning enjoyment. I'm ready to
> > run
> > AD on them but I want to isolate all the domain activity to my virtual
> > network and be able to use remote desktop to the host.
> >
> > bottom line...host needs to connect to the internet but not broadcast
> > domain
> > information except to the virtual network.
> >
> > I'm not sure how to do that.
> >
> > Any help is appreciated,
> > - Mary

>
>

 
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