In case people want to read up on some of the history, here are some links to earlier discussions for the Debian and GNU implementation of the document. GNU Libc actually implements a different section 6 rule 9, see 'The IPv6 Problem' in the second link below. http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=438179 http://people.redhat.com/drepper/linux-rfc3484.html /Simon _______________________________________________ IETF mailing list IETF@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf