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In-Reply-To: <a6467733-75fe-364a-663a-f852494ffa14@riseup.net>
From: Banibrata Dutta <banibrata.dutta@gmail.com>
Date: Mon, 22 Feb 2021 02:14:49 +0530
Message-ID: <CALODqpqh5DtyTZ0smgOd-aPAugAqQPPykUOP4TFtD3vS4KLeFw@mail.gmail.com>
Subject: Re: Orig eth0 was bridged, changed to NAT, but dhcp not working
To: donoban <donoban@riseup.net>
Cc: ~alpine/users@lists.alpinelinux.org
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Thanks again. Everything works now. I've scripted updating /etc/resolv.conf
to point to remote networks recursive DNS servers, when using host's VPN
tunnel.

On Sun, Feb 21, 2021 at 10:53 PM donoban <donoban@riseup.net> wrote:

> On 2/21/21 6:03 PM, Banibrata Dutta wrote:
> > Thanks much.
> >
> > Yes, the regular NAT mode is now working fine (chose the
> > paravirtualized-network i.e. 'virtio-net' driver).
> >
> > The trick (seems rather obvious, come to think of it) is to have the VPN
> > tunnel setup prior to starting the VM. What doesn't seem to work (or at
> > least didn't in my case) is to setup the VPN tunnel in the host, after
> > the VM is already up and running. In the latter case, doing a restart of
> > the networking service doesn't help. Also, I had to manually add the
> > VPN-server specific DNS servers, in the resolv.conf.
> >
> > Right now struggling to add the private root-CA certificates for a
> > remote lab network, reachable only over this VPN.
>
> Maybe the VPN software is overriding some firewall and routing rules and
> conflicting with Virtualbox. Respect DNS have you tried with 10.0.2.3 ?
> (or 10.0.X.3), theoretically it should redirect to your host DNS and
> maybe do some caching.
>
>

-- 
regards,
Banibrata
http://www.linkedin.com/in/bdutta
http://twitter.com/edgeliving

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<div dir=3D"ltr">Thanks again. Everything works now. I&#39;ve scripted upda=
ting /etc/resolv.conf to point to remote networks recursive DNS servers, wh=
en using host&#39;s VPN tunnel.<br></div><br><div class=3D"gmail_quote"><di=
v dir=3D"ltr" class=3D"gmail_attr">On Sun, Feb 21, 2021 at 10:53 PM donoban=
 &lt;<a href=3D"mailto:donoban@riseup.net">donoban@riseup.net</a>&gt; wrote=
:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.=
8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 2/21/21 6:0=
3 PM, Banibrata Dutta wrote:<br>
&gt; Thanks much.<br>
&gt; <br>
&gt; Yes, the regular NAT mode is now working fine (chose the<br>
&gt; paravirtualized-network i.e. &#39;virtio-net&#39; driver).<br>
&gt; <br>
&gt; The trick (seems rather obvious, come to think of it) is to have the V=
PN<br>
&gt; tunnel setup prior to starting the VM. What doesn&#39;t seem to work (=
or at<br>
&gt; least didn&#39;t in my case) is to setup the VPN tunnel in the host, a=
fter<br>
&gt; the VM is already up and running. In the latter case, doing a restart =
of<br>
&gt; the networking service doesn&#39;t help. Also, I had to manually add t=
he<br>
&gt; VPN-server specific DNS servers, in the resolv.conf.<br>
&gt; <br>
&gt; Right now struggling to add the private root-CA certificates for a<br>
&gt; remote lab network, reachable only over this VPN.<br>
<br>
Maybe the VPN software is overriding some firewall and routing rules and<br=
>
conflicting with Virtualbox. Respect DNS have you tried with 10.0.2.3 ?<br>
(or 10.0.X.3), theoretically it should redirect to your host DNS and<br>
maybe do some caching.<br>
<br>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr" class=3D"g=
mail_signature">regards,<br>Banibrata<br><a href=3D"http://www.linkedin.com=
/in/bdutta" target=3D"_blank">http://www.linkedin.com/in/bdutta</a><br><a h=
ref=3D"http://twitter.com/edgeliving" target=3D"_blank">http://twitter.com/=
edgeliving</a></div>

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