On Mon, 3 Nov 2003, Mario Goebbels wrote: Hi Mario, This is theoretically allowed. Check out section 2 of RFC3513
"In IPv6, all zeros and all ones are legal values for any field, unless specifically excluded. Specifically, prefixes may contain, or end with, zero-valued fields." I really don't know what issues you might encounter though.One issue I see right away is the subnet-router anycast address (section 2.6.1 of RFC3513) would be the same for both the /48 and the /64. Regards Suresh >Hi! > >I need a clarification on the question if I can use the very first subnet in a >network. > >Means if I would get assigned 2001:1234:5678::/48 from a RIR, if I can use >2001:1234:5678:0::/64 within my own network, or if the same rules as in IPv4 >subnetting apply (first and last one aren't usable). > >Thanks > >-mg > > >-------------------------------------------------------------------- >IETF IPv6 working group mailing list >[EMAIL PROTECTED] >Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 >-------------------------------------------------------------------- > -------------------------------------------------------------------- IETF IPv6 working group mailing list [EMAIL PROTECTED] Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
