The simplest way to force this is for the ISP to only supply IPv6 recursive recursive servers to the CPE where 464XLAT / MAP* / DS-Lite is in use. Also if a DUID is presented over DHCPv4 (RFC 4361) don't return nameservers. The CPE device should be getting nameservers via RA/DHCPv6 in this case.
The CPE at this point can only advertise it's own addresses IPv4 address or manually configured addresses. Iterative servers should prefer IPv6. Mark -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
