>More practically, how do you configure an interface if you don't know >the subnet mask?
# ip -6 addr add 2001:DB8::1/128 dev lo That, along with a few FIB entries, is all the IPv6 configuration some nodes will ever need. Fred [EMAIL PROTECTED] -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------