Firewall+IPv6 Tunnel mini-HOWTO Hernán Freschi <hjf(at)hjf.com.ar> version 0.1, 2002-11-27 How to add IPv6 over IPv4 support to your ...
How to add IPv6 over IPv4 support to your network behind a NAT router
How to add IPv6 over IPv4 support to your network behind a NAT router