Hi Aleksy,
    Well, here's the steps I did. I set up my guest Ubuntu Karmic
server. Install fine. I set Adapter 1 to be NAT. When I start the guest
OS, the NIC gets an IP address and it tunnels out fine. Later, I add
Adapter 2 as a host-only vboxnet0. For this adapter, I want to ping it
from my host and send traffic only between the host. When I boot the
guest OS, the 2nd NIC does NOT get an IP address. On the host, however,
the vboxnet0 nic comes up with an IP.

Now, if I swap adapter 1 and 2 and use my working NAT nic for adapter 2.
It does not get an IP. Its as if
it won't allow more than one nic.

I've not been able to get bridging to work at all either.

I have a laptop with a wlan0 nic and eth0 (not connected though).

Darren

On Mon, 2010-02-15 at 11:40 +0300, Aleksey Ilyushin wrote:

> Hi Darren,
> 
> 
> 
> VirtualBox supports up to eight NICs per guest. What exactly does not
> work for you? You cannot ping the host from the guest? The guest does
> not get IP address on the second NIC? Is the second NIC up? Where do
> you connect the first NIC?
> 
> 
> Regards,
> Aleksey
> 
> 
> 
> 
> On Feb 7, 2010, at 11:25 PM, Darren Govoni wrote:
> 
> 
> 
> > Hey Fábio,
> > 
> > My laptop only has 1 physical network card on it.
> > 
> > But what I want is for my guest OS to use a "host-only" networking
> > and that
> > shouldn't require a physical card in the host OS, right? I want to
> > network
> > it with my host, which DOES get a vboxnet0 IP address and nic.
> > 
> > My understanding is the vbox device drivers for vboxnet0 will
> > emulate
> > a physical network and also the NIC in the guest OS. But it doesn't
> > seem to work.
> > 
> > On Sun, 2010-02-07 at 17:26 -0200, Fábio Rabelo wrote:
> > 
> > > I have no idea of what happening in your system but I can
> > > affirmatively say to you, it works !!!
> > > 
> > > I have a system with 4 network cards, all configured in bridge
> > > mode, all with different IP numbers and connected to different
> > > networks, and ALL my 3 Virtualbox guests have full access to all 4
> > > networks .
> > > 
> > > My host is Debian Lenny, my VBox is the latest present in SUN apt
> > > repository .
> > > 
> > > After configured all 4 cards in bridge mode, all I needed to is
> > > was create 3 new cards to all guests, configure it, and that's
> > > all ...
> > > 
> > > Fábio Rabelo
> > > 
> > > 
> > > 2010/2/7 Darren Govoni <[email protected]> 
> > > 
> > >         Hi,
> > >           I've been trying for 4 days to get my ubuntu guest on my
> > >         ubuntu host to correctly bring up 2 network interfaces.
> > >         Only 1 ever comes up. Does VBox support multiple networks?
> > >         The second interface is host-only, but gets no IP
> > >         address. I've tried a variety of options with no success.
> > >         
> > >         Thanks for any help.
> > >         Darren 
> > >         
> > >         _______________________________________________
> > >         vbox-users mailing list
> > >         [email protected]
> > >         http://vbox.innotek.de/mailman/listinfo/vbox-users
> > >         
> > > 
> > > 
> > 
> > 
> > 
> > 
> > _______________________________________________
> > vbox-users mailing list
> > [email protected]
> > http://vbox.innotek.de/mailman/listinfo/vbox-users
> 
> 
> 

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