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On 15.02.2007, at 08:30, Asier Baranguán wrote:
> Herbert Poetzl escribió:
>
>> http://www.faqs.org/docs/iptables/traversingoftables.html
>> note, in recent kernels the local tables can be selected
>> independantly IIRC ...
>
> Hmm... one question not directly related to this.
>
> My guests work with 'eth0' interface but I've seen in some mails from
> the list that people make their guests work with the dummy0 interface.
>
> ¿What's the advantage of using it? I can't see the point :-?
I'd say there is no technical advantage - I sometimes do that if I want
to have public and private IP addresses separated (I use eth0 for
public ones and dummy0 for private ones). The communication is taking
place on 'lo' anyway, traffing going to the outerspace will be routed
as usual by the host. So even with my dummy0 setup, I have to set up
SNAT/Masquerading connections to outerspace.
As far as I can see some people (that was what I thought at the
beginning, too) don't want to have the guest to guest traffic on eth0
and use dummy. This is, of coure, pointless, as the kernel takes care
of that and has all that traffic on lo.
Hope that answers your question
Balatasar
((( Baltasar Cevc
) World wide web:
# http://www.openairkino.net/ (a project for the local youth; German
only)
# http://technik.juz-kirchheim.de/ (programming and admin projects)
# http://baltasar.cevc-topp.de/ (private homepage)
) Phone:
+49 178 691 22 33
)
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Received on Thu Feb 15 10:38:14 2007