6in4 ipv6 tunnel hosting

[James Knott]

Neil Watson wrote:
> Greetings,
>
> I am now in possession of a server with dual stack ipv4 and ipv6
> connections.  I even have a /64 block of ipv6's.  I'd like to configure
> this host to act as a tunnel broker for some of my other hosts.  I can
> find plenty of information on configuring a client to connect to a
> tunnel broker but nothing on how to configure the broker end.
>
> There is mention of using Openvpn but I suspect there is a more native
> way, something do to with protocol 41.  Besides I do not require the
> encryption.
>
> Does anyone have any experience with this that they can share?
>

That a bit of a broad question.  You can set up tunnels with the ip 
command.  Also, at the moment, OpenVPN doesn't support IPv6 in routing 
mode.  If you use a VPN, you should use IPSec, which does support it.  
You'll likely also need some means of assigning addresses, which is 
usually done with radvd.  I don't know your level of IPv6 expertise, but 
I find "IPv6 Essentials" from O'Reilly to be an excellent reference:
http://oreilly.com/catalog/9780596100582

You might also post your questions in the forums at gogoNet:
http://gogonet.gogo6.com

BTW, I have a /56 subnet, which is over a trillion times the entire IPv4 
address space.  I've already used about a dozen of them.  ;-)

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