# dhcpd.conf
#
# Sample configuration file for ISC dhcpd with
# Dynamic DNS support to Active Directory DNS
#
# Refer to https://pastebin.com/SRPh7Bcu for step-by-step instructions.

# option definitions common to all supported networks...
option domain-name "example.org";
option domain-name-servers ns1.example.org, ns2.example.org;

default-lease-time 600;
max-lease-time 7200;

ddns-update-style interim;

# Tell clients not to update DNS
#
deny client-updates;

authoritative;

# Lab Server Network
#
subnet 192.168.1.0 netmask 255.255.255.0 {
}

# Lab Client Networks
#
subnet 192.168.2.0 netmask 255.255.255.0 {
   option subnet-mask 255.255.255.0;
   option routers 192.168.2.1;
   pool {
      range 192.168.2.100 192.168.2.200;
   }
}

subnet 192.168.3.0 netmask 255.255.255.0 {
   option subnet-mask 255.255.255.0;
   option routers 192.168.3.1;
   pool {
      range 192.168.3.100 192.168.3.200;
   }
}

# see https://pastebin.com/QtZUfL15
include "/etc/dhcp/ddns-hooks.conf";