[46970] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: is your host or dhcp server sending dns dynamic updates for rfc1918?

daemon@ATHENA.MIT.EDU (Paul Vixie)
Fri Apr 19 12:18:04 2002

From: Paul Vixie <paul@vix.com>
To: nanog@merit.edu
Date: Fri, 19 Apr 2002 09:16:21 -0700
Message-Id: <20020419161621.61E8728B6D@as.vix.com>
Errors-To: owner-nanog-outgoing@merit.edu


(received privately, answering publically)

> > any AS owner who wants to localize these updates can do so by simply
> > anycasting the 192.175.48/24 netblock and serving dns on .1,=20
> > .6, and .42.
> 
> Will it be a _bad_ thing if I just null-route those addresses in a
> controlled/documented/restorable manner in the ASes and other sub-AS
> networks that I administer?

not at all.

> Will it break anything valuable to you or to end-users inside those ASes?

nope.

> Is there is a certain reason I should run a real DNS server on 1, 6 and
> 42 (besides, of course, collecting statistics and chasing ab|users) ?

nope.

> Is there a centralised place with information on the blackhole-X anycast
> addresses and AS112 or a document with the proposal and implementation
> besides www.root-servers.org ?

um, nope.  if you think it should say more than it does, let us know and
we'll plump it up.

home help back first fref pref prev next nref lref last post