Easy IPv6

[James Knott]

I recently received a gogoCPE, which is a device for adding IPv6 support 
to an IPv4 network.  You just plug it into your network and within 
several seconds you can be running IPv6 to the internet, as well as on 
your network.  It uses 6in4 tunnelling to carry IPv6 in IPv4 packets to 
a "tunnel broker" where the IPv4 headers are stripped off and the IPv6 
sent out to the world.  The gogoCPE can work behind a NAT firewall, but 
in that situation UDP is used to encapsulate the IPV6 packet, instead of 
IP protocol 41.

I have been using their software client (both Linux & Windows) for over 
a year and it also works well.  Both the gogoCPE and software client can 
provide a /56 subnet (2^72 or 4722366482869645213696 addresses) of which 
a /64 (2^64 addresses) is used for the local network.  The other 255 /64 
subnets can be routed elsewhere.

gogoCPE
http://gogoware.gogo6.com/4105/description.asp?product_id=180

6in4 tunnelling
https://secure.wikimedia.org/wikipedia/en/wiki/6in4
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