default-lease-time 600;         # 10 minutes
max-lease-time 7200;            # 2  hours

option broadcast-address 192.168.1.255;
option routers 192.168.1.254;
option subnet-mask 255.255.255.0;

subnet 192.168.1.0 netmask 255.255.255.0
 {
  option routers 192.168.1.1;
  option subnet-mask 255.255.255.0;
  option domain-name-servers 192.168.1.1;
  range 192.168.1.10 192.168.1.20;
  range 192.168.1.100 192.168.1.200;
 }