[6bone] RE: Awareness of breaking RFC3056 with 6to4 more specifics

Jeroen Massar jeroen@unfix.org
Fri, 12 Sep 2003 22:29:18 +0200


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Antonio Querubin [mailto:tony@lava.net] wrote:

[cut off long list of people, except ml's]

> On Fri, 12 Sep 2003, Jeroen Massar wrote:
> 
> > 2002:c058:6301::/48	192.88.99.1/32	AS786
> 
> > 192.88.99.1/32 is *THE* anycast address, it is *NOT* routable....
> > And you don't own it either, please read RFC3068 and stop that
> > foolish announcement. In whois.ripe.net this network is documented:
> 
> Whoa there!  Just because a block is anycast doesn't mean it's NOT
> routable.  It just means there may be multiple destinations 
> and multiple routes to those destinations.  Otherwise what use is it?

It's for making 2002::/16 reachable, not for making the IPv4 version
reachable over IPv6 ;)

> The RFC has specific information on restrictions for announcement if you 
> do want to provide the service to those outside your AS.

If you where announcing 192.88.99.1/32 you would be right, though
announcing a /32 is really dubieus :)
They _where_ (it got fixed directly) announcing 2002:c058:6301::/48
which really doesn't make any sense. Or are you implying that anyone
can just announce a block out of 192.88.99.0/24 and use it for 6to4?

Announcements of 192.88.99.0/24 should also be backed up
by the relevant entry in the RIPE (or ARIN/LACNIC/APNIC) databases.

Greets,
 Jeroen


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Comment: Jeroen Massar / jeroen@unfix.org / http://unfix.org/~jeroen/

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