IPv6 routing /48s

Mark Andrews Mark_Andrews at isc.org
Tue Nov 25 20:18:26 CST 2008


In message <20081126021519.GT78345 at burnout.tpb.net>, Niels Bakker writes:
> * Mark_Andrews at isc.org (Mark Andrews) [Wed 26 Nov 2008, 02:57 CET]:
> > 2002::/16 vs non 2002::/16 should be in the policy table. This is the 
> > default prefer ipv6 policy table for FreeBSD 6.4-PRERELEASE.  There is 
> > also a alternate prefer ipv4 policy table that will be set if IPv6 is 
> > disabled.
> >
> > Prefix                          Prec Label      Use
> > ::1/128                           50     0        0
> > ::/0                              40     1     4997
> > 2002::/16                         30     2        0
> > ::/96                             20     3        0
> > ::ffff:0.0.0.0/96                 10     4        0
> 
> I believe that is used for local address selection, not for sorting DNS 
> replies.

	It's used for both.
 
> 	-- Niels.
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org




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