Reverse Zone CIDR
Jonathan Del Campo
jdc at mikrosimage.eu
Mon May 30 10:25:59 UTC 2016
Thansk guys for the reply.
We have split the /23 reverse definition in two /24, but it seems the dhcpd
doesn't update the new created arpa zone files.
Can you confirm my dhpcd config ?
subnet 192.168.222.0 netmask 255.255.254.0 {
# pool d'adresses IP dynamiques
pool {
range 192.168.222.20 192.168.222.253;
range 192.168.223.20 192.168.223.250;
}
ddns-domainname "domain.int";
option routers 192.168.223.254; # default gateway
option subnet-mask 255.255.254.0;
option broadcast-address 192.168.223.255;
# Entrées pour le serveur Fog
next-server 192.168.200.19;
filename "undionly.kpxe";
allow bootp;
allow booting;
# Zone reverse
zone 222.168.192.in-addr.arpa. {
primary 192.168.200.1;
key domain.int;
}
zone 223.168.192.in-addr.arpa. {
primary 192.168.200.1;
key domain.int;
}
}
many thanks.
J
On Thu, May 26, 2016 at 12:44 AM, /dev/rob0 <rob0 at gmx.co.uk> wrote:
> On Wed, May 25, 2016 at 12:06:40PM +0100, Tony Finch wrote:
> > Jonathan Del Campo <jdc at mikrosimage.eu> wrote:
> > >
> > > So if I have to create two /24 reverse zones for my case, I will,
> > > but I was hopping a smarter solution.
> >
> > Oh, I had a brainfart, I read /23 as /25 :-)
>
> I figured that was what you were thinking. :)
>
> > Yes, two /24s is the best solution.
> >
> > For smarter solutions, see the rfc2317bis I-D, though they are
> > usually not an option, depending on how the parent /16 zone is run.
>
> In this case, being a netblock from RFC 1918, another choice is to
> actually run that /16 zone ... 168.192.in-addr.arpa.
> --
> http://rob0.nodns4.us/
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