(I'm just waiting for Apple's lawyers to try an get names out of me...) But yes, it does appear that Apple is addressing the issue:
----8<---- cat /etc/ip6addrctl.conf # default policy table based on RFC 3484. # usage: ip6addrctl install path_to_this_file # # $FreeBSD$ # #Format: #Prefix Precedence Label ::1/128 50 0 ::/0 40 1 2002::/16 30 2 ::/96 20 3 ::ffff:0:0/96 10 4 ----8<---- On Sun, Feb 27, 2011 at 6:41 PM, Tore Anderson <tore.ander...@redpill-linpro.com> wrote: > * Owen DeLong > >> On Feb 27, 2011, at 4:21 AM, Randy Bush wrote: >> >>> NOC: are you running a macintosh? >>> User: yes, how did you guess? >>> NOC: because it is broken. get vista. >> >> While I'm as big a fan of IPv6 as anybody, I think in a comparison of >> relative brokenness, Mac comes out quite favorably compared to >> Vista in spite of their DHCPv6 deficiencies. > > Absolutely not. Mac OS X does not do proper source address selection > according to RFC 3484. That makes it do things like preferring the use > of link-local IPv6 addresses when connecting to global dual-stacked > destinations, which of course won't work - as a result a 75 second long > timeout is incurred for every single outgoing TCP connection. Versions > earlier than 10.6.5, still in use by a considerable amount of users, > will also prefer the use of 6to4 to IPv4, again something which is > causing lots of brokenness. (Windows ICS is responsible for causing lots > of OS X hosts to have 6to4 addresses in the first place, though.) > > OS X also has a bug that will make it interpret a router lifetime of 0 > in a RA as infinite, causing more troubles when found behind IPv6 CE > routers using ULAs in compliance with I-D.ietf-v6ops-ipv6-cpe-router, > one example of which is the AVM FritzBox as far as I understand. > > See also: > > http://getipv6.info/index.php/Customer_problems_that_could_occur > http://fud.no/ipv6/snapshot-20101221/gnuplot/noosx-t10-historic.png > > My guess is that about 70-80% of the users calling Randy and others to > report problems on «World IPv6 Day» will be running Mac OS X. > > Ray: Do you know if RFC 3484 has been implemented in OS X 10.7? > > -- > Tore Anderson > Redpill Linpro AS - http://www.redpill-linpro.com/ > Tel: +47 21 54 41 27 > -- Ray Soucy Epic Communications Specialist Phone: +1 (207) 561-3526 Networkmaine, a Unit of the University of Maine System http://www.networkmaine.net/