multiple subnets same ddns zone
Terry L. Inzauro
tinzauro at ha-solutions.net
Fri Aug 28 03:41:23 UTC 2009
is it possible to have multiple subnets defined (for instance 10.0.1.0/27 and 10.0.1.32/27 within 10.0.1.0/24) and then have
both subnets update the same reverse dns zone such as 1.0.10.in-addr.arpa?
if so, can i have some pointers on how to do it?
this is what i currently have:
ddns-update-style interim;
option domain-name-servers host1, host2;
option ntp-servers pool.ntp.org;
default-lease-time 2628000;
max-lease-time 2628000;
#authoritative;
log-facility local7;
one-lease-per-client on;
option time-offset -6;
do-forward-updates off;
# define the key used for ddns updates to local bind9 server
key dydns {
algorithm hmac-md5;
secret thisisthesecret;
}
# primary reverse zone for 1.0.10.in-addr.arpa
zone 1.0.10.in-addr.arpa. {
primary localhost;
key dydns;
}
# 10.0.1.0/27
subnet 10.0.1.0 netmask 255.255.255.0 {
default-lease-time 2628000;
ddns-updates on;
#ddns-domainname "example.org";
ddns-rev-domainname "1.0.10.in-addr.arpa.";
authoritative;
deny client-updates;
allow unknown-clients;
option routers 10.0.1.1;
pool {
range 10.0.1.4 10.0.1.30;
}
}
# 10.0.1./27
subnet 10.0.1.32 netmask 255.255.255.224 {
default-lease-time 2628000;
ddns-updates on;
#ddns-domainname "example.org";
ddns-rev-domainname "1.0.10.in-addr.arpa.";
authoritative;
deny client-updates;
allow unknown-clients;
option routers 10.0.1.36;
pool {
range 72.22.210.228 72.22.210.254;
}
}
any help would be greatly appreciated.
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