You can also do the ipv4 to IPv6 translation on the server itself, then the server is can be purely IPv6 attached. Fun trivia: A few years ago I wrote a kerne

You can also do the ipv4 to IPv6 translation on the server itself, then the server is can be purely IPv6 attached. Fun trivia: A few years ago I wrote a kernel module, that together with existing kernel mechanisms allowed almost all transition tech at a time, and ended up in a bunch of CPEs: https://github.com/ayourtch/nat46/tree/master/nat46/modules https://github.com/ayourtch/nat46/tree/master/nat46/modules You can see the pull request activity... two pull requests in the past month... before that it was last time in 2017. So some things seem to be moving.