IPv4 not working reverse on > /24 cidr
Matus UHLAR - fantomas
uhlar at fantomas.sk
Mon Jul 22 16:55:48 UTC 2013
On 22.07.13 12:29, Ryan Pavely wrote:
>I always thought I had to break up the CIDR's into the proper blocks
>so then my downstream customer can slave that partial zone. I don't
>want them slaving 10.10.1/24... etc.. So to do that you break up the
>block into all its parts, each with an origin, ttl, etc etc...
> So now it appears I need both the 10.10.1.rev and each
>10.10.1.XX-YY.rev file. Seems redundant.
It's not redundant. The /24 block owner has its own 1.10.10.in-addr.arpa
zone which contains CNAMEs pointing to other zones.
The clients have those "other zones" which the owner should slave.
It's just recommended to give those zones names like
0/27.1.10.10.in-addr.arpa so it's clear what the zone does.
Example is 1.1.10.10.in-addr.arpa CNAME 1.0/27.1.10.10.in-addr.arpa in the
reverze zone. This will cause the lookups go to 0/27.1.10.10.in-addr.arpa
maintained by the client.
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