reachability issue with 3ffe:80a::/32 (PAIX IX segment)

[Stephen Stuart]

> 	sorry for the confusion.  the thing i wanted was a (sort of)
> 	standardized way of assigning an IPV6 prefix for use within IX
> 	segment.  IPv6 address assignment plans (well, for 2000::/3) has been
> 	very helpful for validating properly aggregated routes, however,
> 	it does not work for IX address assignment I've seen (as presented
> 	in particular example, topologically disjoint address clouds
> 	under 3ffe:800::/24).

PAIX prefixes will be /64s within 3ffe:080A:0000::/48.

Stephen