dhcpd.conf

#etc/dhcpd.conf
#configuracao do DHCP server

ddns-update-style none;
default-lease-time 600;
max-lease-time 7200;
authoritative;

#definindo a rede que o dhcp ira funcionar
subnet 192.168.19.0 netmask 255.255.255.0 {
range 192.168.19.1 192.168.19.199;
option routers 192.168.19.254;
option domain-name-servers 192.168.19.254;
option broadcast-address 192.168.19.255;
}

#maq com ip fixo
host meupc {
hardware ethernet 00:0B:A0:44:E1:13;
fixed-address 192.168.19.235;
}