6to4 relay routers

Joe Abley jabley at isc.org
Wed Aug 3 15:05:34 CEST 2005


On 28 Jul 2005, at 07:28, David Malone wrote:

> On Wed, Jul 27, 2005 at 09:12:51PM +0300, Pekka Savola wrote:
>> Btw, as it happens, David Malone has done some study on the amount and
>> placement of 6to4 relays (copied), if you have some data on 2002::/16
>> and/or 192.88.99.1 deployment in particular.
>
> I've a paper about trying to find both public and private relay
> routers. If the techniques I'm using are to be trusted, then there
> may be over 50 relay routers, but most of them are only advertised
> internally.

Belated follow-up.

There's now a 6to4 relay router running in AS 3557, 6to4.sql1.isc.org 
(192.5.4.242). That router is originating the RFC 3068 prefix 
192.88.99.0/24 and the 6to4 covering prefix 2002::/16, but neither of 
those routes are being advertised to peers or transit providers at 
present.

If anybody feels like manually pointing stf0 at 192.5.4.242 to try 
things out, I'd be interested to hear any feedback. This may be of 
particular interest to people wanting to use 6to4 tunnels to reach 
v6-hosted services which live at ISC (e.g. ftp.netbsd.org, 
ftp.freebsd.org).


Joe




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