IPv6 tunnel from behind an ISP-level NAT

Solution 1:

Have you tried the tunnels provided by gogoNET? If you register an account, you'll have a address block allocated to you per tunnel server.

You may have to compile the client yourself if you distribution don't have it as a package.

Solution 2:

I have used OpenVPN for tunneling IPv6 through NATs in the past. A usable example config is at http://silmor.de/ipv6.openvpn.php

Solution 3:

Wikipedia has this article : List of IPv6 tunnel brokers, which should always stay reasonably up-to-date.

There are not too many IPv6 tunnel brokers currently still in operation who support 6in4. Below are the only two I found that operate not only in restricted geographical locations. See the Wikipedia article for the others.

• 6project.org (this one seems to be free)

• Pemsy (commercial starting from 5$ per month)

This is the relevant comparison from Wikipedia of 6project.org and Pemsy :

Click for a larger image

(I am not in a position to recommend either of them.)