[78697] in North American Network Operators' Group
Re: Delegating /24's from a /19
daemon@ATHENA.MIT.EDU (Mark Andrews)
Wed Mar 16 16:58:34 2005
To: Edward Lewis <Ed.Lewis@neustar.biz>
Cc: Owen DeLong <owen@delong.com>, nanog@merit.edu
From: Mark Andrews <Mark_Andrews@isc.org>
In-reply-to: Your message of "Wed, 16 Mar 2005 16:27:05 CDT."
<a06200701be5df0ef8303@[192.168.1.101]>
Date: Thu, 17 Mar 2005 08:57:28 +1100
Errors-To: owner-nanog@merit.edu
> 2) Use DNAME, RFC 2672. Good luck.
>
> (http://www.isc.org/index.pl?/pubs/tn/index.pl?tn=isc-tn-2002-1.html)
>
> 3) Use RFC 2317. "I encourage my competitors to operate this way."
Note: DNAME is equivalent to RFC 2317. In both cases this
will break the customers expectation that they can just use
x.y.z.in-addr.arpa for the PTR records.
Note for reliable local reverse lookups when the external
link is down they will need to slave the ISP's x.y.z.in-addr.arpa
zone and well as manage the zone the CNAME / DNAME maps to.
Mark
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews@isc.org
