Re: Delegating /24's from a /19

[Mark Andrews <Mark_Andrews () isc org>]

> 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
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