例1

ddns-update-style interim;
ignore client-updates;

subnet 192.168.222.0 netmask 255.255.255.0 {

# --- default gateway
option routers                  192.168.222.1;
option subnet-mask              255.255.255.0;

option nis-domain               "linuxreaders.com";
option domain-name              "linuxreaders.com";
option domain-name-servers      192.168.222.1;

option time-offset              -18000; # Eastern Standard Time
#       option ntp-servers              192.168.1.1;
#       option netbios-name-servers     192.168.1.1;
# --- Selects point-to-point node (default is hybrid). Don‘t change this unless
# -- you understand Netbios very well
#       option netbios-node-type 2;

range dynamic-bootp 192.168.222.128 192.168.222.254;
default-lease-time 21600;
max-lease-time 43200;

# we want the nameserver to appear at a fixed address
host ns {
next-server marvin.redhat.com;
hardware ethernet 12:34:56:78:AB:CD;
fixed-address 207.175.42.254;
}