Virtual Box or Ubuntu?

[Nicolas Canepa]

For what I've read about VirtualBox, and test it with Ubuntu as host and
billy's SO as guest, vbox NAT does not route ICMP packages, only tcp and
udp, so I couldn't ping outside my machine.


-- 
Nicolás Cánepa
ncanepa at fcen.uba.ar
CCC - Centro de Comunicaciones Científicas
UBA - Facultad de Ciencias Exactas y Naturales


Nils Kassube escribió:
> Derek Broughton wrote:
>> Gunawan wrote:
>> > Dear All,
>> > I have install ubuntu hardy heron as guest operating system on my
>> > windows. I use Virtual Box with NAT.
>> > Strange. I could ping to one external ip address for example my
>> > windows have 192.168.11.100.
>> > I could ping successfully to 192.168.11.50 inside my ubuntu but can
>> > get reply from another address.
>> > for example I could not get reply from 192.168.11.55.
>>
>> 192.168.* addresses are, in theory, private and non-routable - this
>> means that there's no guarantee that you can get from one subnet to
>> another
>
> Those addresses are not routable _over the internet_ but within your LAN
> they are routable. It depends on your routers if the subnets can see each
> other.
>
> OTOH, as we are talking about NAT, we aren't talking about routable. The
> ping of the OP is translated from the 10.* address within the VM to the
> IP of the host which seems to be 192.168.11.100, i.e. the target machine
> sees a ping from the host, which is in the same subnet.
>
>
> Nils
>
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