Configurar DHCP LINUX (Fedora)

vi /etc/dhcp/dhcpd.conf

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

subnet 192.168.2.0 netmask 255.255.255.0 {
        option routers                  192.168.2.1;
        option subnet-mask              255.255.255.0;
        option domain-name-servers      192.168.2.1,192.168.2.1;
        option netbios-name-servers     192.168.2.1;
        option time-offset              -18000; # Eastern Standard Time
        range dynamic-bootp 192.168.2.151 192.168.2.190;
        default-lease-time 21600;
        max-lease-time 43200;

host ns1        { hardware ethernet MAC-ADDRESS;  fixed-address   192.168.2.xx; }
host ns2        { hardware ethernet MAC-ADDRESS;  fixed-address   192.168.2.xx; }
host ns3        { hardware ethernet MAC-ADDRESS;  fixed-address   192.168.2.xx; }
host ns4        { hardware ethernet MAC-ADDRESS;  fixed-address   192.168.2.xx; }
host ns5        { hardware ethernet MAC-ADDRESS;  fixed-address   192.168.2.xx; }
host ns6        { hardware ethernet MAC-ADDRESS;  fixed-address   192.168.2.xx; }
host ns7        { hardware ethernet MAC-ADDRESS;  fixed-address   192.168.2.xx; }
host ns8        { hardware ethernet MAC-ADDRESS;  fixed-address   192.168.2.xx; }
host ns9        { hardware ethernet MAC-ADDRESS;  fixed-address   192.168.2.xx; }
}