6to4 status (again)

[Ignatios Souvatzis]

On Fri, Mar 01, 2013 at 02:04:50PM +0000, Brian E Carpenter wrote:

> You can't fix legacy clients and CE devices, that's the problem. If they are
> young enough to have v6 enabled by default, but old enough to have anycast 6to4
> enabled by default and v6 always preferred, they will try 6to4 and will not fall
> back to v4.
> 
> (The story is similar for Teredo.)

Shouldn't - Teredo is explicitly specified to be last-resort, IIRC.
Do the prevalent implementations disagree?

	-is