6to4 prefix announcements?
Jun-ichiro itojun Hagino
itojun@iijlab.net
Sun, 04 Mar 2001 20:14:42 +0900
>It'd appear that 6to4 prefixes aren't announced on 6bone too much (I only
>saw 2002::/16).
>
>Due to this, ping6 within EU<->EU takes 800 ms instead of 300 ms because
>it must go through ipv6-router.cisco.com.
>
>I think this could be optimized by announcing prefixes, e.g. those
>calculated from IPv4 addresses where IPv6 is being tested and 6to4 used.
see RFC3056, section 5.10. you can configure static routes to
2002:xxxx:xxxx::/48 if you want to optimize it, but be sure not to
announce that route.
>Or is there reasons why this is not done?
do you want to see 2^32 routes announced to the 6bone?
itojun