@Fae how was this never identified to be included from the initial release? Without this one could simply use a layer 3 switch for routing.

Just for others to find this thread... 6in4 tunneling is RFC 4213.

For those who do not have ISPs planning to support IPv6, please add the ability to setup 6in4 tunneling. This ability is already available in other firewall/routers. (example: Hurricane Electric...