centurylink-6rd configuration instructions for CenturyLink's IPv6 service Instructions found at https://www.centurylink.com/home/help/internet/modems-and-routers/advanced-setup/enable-ipv6.html Blog post at https://wp.c9h.org/cj/?p=1844 This is an implementation for use on Debian routers. This implementation is based loosely on work by Græme