Dhcp service configuration under rh-9 2

Rh-9 dhcp service configuration 2 -- Linux Enterprise Application-Linux server application information, the following is read details. The following is an example:
Ddns-update-style interim;
Ignore client-updates;
Subnet 192.168.16.0 netmask 255.255.255.0 {
Range 192.168.16.11 192.168.16.100;
Option routers 192.168.16.1;
Option subnet-mask limit 255.0;
Option nis-domain "jackie.org ";
Option domain-name "jackie.org ";
Option domain-name-servers 192.168.16.2, 202.1.2.23;
Option broadcast-address 192.168.16.255;
Default-lease-time 21600;
Max-lease-time 43200;
Host pc1 {
Hardware ethernet 12: 34: 56: 78: AB: CD;
Fixed-address 192.168.16.20;
}
Host pc2 {
Hardware ethernet 12: 34: 56: 78: AB: EF;
Fixed-address 192.168.16.30;
}