How to map a VPN (tun0) network adapter on host Ubuntu to a VirtualBox guest Windows?

Posted by Mashimom on Server Fault See other posts from Server Fault or by Mashimom
Published on 2010-08-06T12:43:39Z Indexed on 2012/12/19 11:04 UTC
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linux

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Windows

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vpn

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virtualbox

I have a Ubuntu 10.04 running Oracle VirtualBox 3.2.6 with a Windows XP guest. I use a VPN that I would like to be accessed by the guest VM, on a ifconfig it shows as:

tun0      Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          inet addr:5.192.10.99  P-t-P:5.192.10.99  Mask:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1362  Metric:1
          RX packets:14151 errors:0 dropped:0 overruns:0 frame:0
          TX packets:19860 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500 
          RX bytes:4415271 (4.4 MB)  TX bytes:17949982 (17.9 MB)

Using NAT or Bridge adapters on the VM only gives me the non-vpn adapter. How can I map the tun0 adapter to VirtualBox?

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