> This is the time when everyone should be running dual stack. as I posted before, almost every one of people who attends IETF are running IPv6-capable operating system. if you are not, you are very out of date like 5 years. IPv6 is not enabled just because implementers have been polite enough not to enable IPv6 transition technologies like Teredo or 6to4 on by default. maybe we should think it over? itojun _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf