On 3/5/11 5:28 PM, Karl Auer wrote: > On Sat, 2011-03-05 at 09:49 -0500, Scott Schmit wrote: >> I'm leaning toward the interpretation being "if you're in fe80::/10, >> you're link local, but addresses outside fe80::/64 are reserved." > > Linux treats link local addresses as being in a /64: > > wlan0 [...] > inet6 addr: fe80::222:fbff:fe54:9b80/64 Scope:Link > [...] > > While it may be that having bits set in that 54-bit region makes the > address technically not a link local address, I think in practice you > will see all addresses in fe80::/10 regarded as link local.
It is the FE80::/10 prefix that makes it link-local. The FE80::/64 is the currently documented formulation of a link-local unicast address (and IANA properly reserves the FE80::/10 range). Regards, Brian -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------