6to4 strangeness

[Bernhard Schmidt]

Tim Chown wrote:

Hi Tim,

> Is a valid explanation that their 6to4 relay is only 6bone-connected,
> only seeing 3ffe:: space advertised from their 'native' IPv6 provider?
> 
> Thus they can't respond to 2001:: space, and your 3ffe:: prefix will
> work but not your 'proper' one.
> 
> I get the same symptom by the way (unreachable) from our (only) 2001::
> space.

I can reach the box from all four 2001: spaced boxes I can use in

2001:a60::/32
2001:1b10::/32
2001:1b18::/32
2001:4ca0::/32

but still, the use of 6to4 for a server is debatable. I would rather 
look out for a decent tunnel (either direct upstream or one of the 
OCCAID SixXS POPs).

Regards,
Bernhard