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Re: IPv6 transition architecture discussion



On Monday, November 25, 2002, at 01:10 PM, Keith Moore wrote:

Suggestions on how to deploy IPv6 from the operating
system perspective seem to be lacking. 6to4 looks like a good solution,
but it doesn't work behind NAT. In addition, people in this working
group have strongly advised against any wide deployment of 6to4 hosts.
I don't think there's consensus about that, only that there are some
questions or problems associated with 6to4 on a host level that haven't
been fully resolved. Personally I find "host 6to4" essential both to
provide access to machines at home (where a single host serves both
as an IPv4 presence and as a v6 router) and to allow me to access my
v6 hosts from v4-only net connections. I'm really disappointed that so
few host OSes support it. For instance the lack of 6to4 support in 10.2
probably means I'll end up running NetBSD on my new 1Ghz powerbook g4.
6to4 does exist on Mac OS X 10.2. It just isn't integrated in to the user interface. If you run the command line (Terminal application), you can use the script ip6config to turn on 6to4 (i.e. sudo ip6config start-stf en0). 10.2 also comes with rtadvd for advertising routes. IPv6 support is in 10.2, it's just isn't available through the user interface.

-josh