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Old 02-18-2011, 04:58 PM   #1
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Registered: Jan 2005
Distribution: Debian (usually testing)
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OpenVPN and ipV6 tunnel?

I currently run openVPN on my Debian box that provides secure ipv4 routing from my laptop to my VPS in a different country (and from there the internet via this box).

This works fine.

However, id like to sort out ipv6 through this VPN as well as IPV4 and not overly sure how to do it.

The remote server itself has native ipv6 configured on device eth0 and it works (ping6, traceroutes all fine,incoming to web servers etc) nicely on dual stack.

How would i go about modifying the config (both client and server if needed) to enable openVPN to act as a tunnel broker to enable the laptop to use the ipv6 through the server as well as the old v4?

(the internet connection laptop end will not/does not have native ipv6 from the ISP. Currently im using he-net tunnel broker but id like to run myself through my existing openVPN).

VPN config details:

Its using UDP, port 1194, creates a TUN interface, redirect-gateway etc and the rest is normal config.

Edit:- if it matters the clients are all running windows so i cant use sh scripts to set up stuff client end.

Last edited by gnirtS; 02-18-2011 at 05:15 PM.
Old 02-21-2011, 11:16 AM   #2
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Registered: Feb 2003
Location: CT
Distribution: Debian 6-7, WIN 7-10, WIN SRV 03-12r2
Posts: 1,312

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As I guessed it appears IPv6 VPNs are surrently only available in a bridged VPN (TAP device) and it is not available in routed VPN (TUN device) Here is a link to the currently known issues with IPv6 in routed VPN in OpenVPN. Here is a link on How-TO get IPv6 via OpenVPN up and running,


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