Delegating /24's from a /19
Robert Blayzor
rblayzor at inoc.net
Tue Mar 15 20:12:10 UTC 2005
alex at pilosoft.com wrote:
> Either by doing DNS delegation on the zone boundary or by SWIP'ing the
> space to the other company.
You can SWIP it yes, but that won't help DNS on small blocks like /24's.
> It is very easy to do DNS delegation, say if you have 128.0.0.0/19, and
> you want to delegate 128.0.1.0/24, in your zone file for
> 0.128.in-addr.arpa zone put
>
> 1 IN NS ns1.othercompany.com
> 1 IN NS ns2.othercompany.com
The only way it will work is to use RFC2317 or slave the zones from the
other name server. Because he does not have the entire /16 you can't
just delegate like that.
--
Robert Blayzor, BOFH
INOC, LLC
rblayzor\@(inoc.net|gmail.com)
PGP: http://www.inoc.net/~dev/
Key fingerprint = 1E02 DABE F989 BC03 3DF5 0E93 8D02 9D0B CB1A A7B0
Sure it's user-friendly...if you know what you're doing.
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