ddns-update-style interim; subnet *your subnet here* netmask *here your netmask* { option routers *here ip of your router*; option subnet-mask *your subnet here again ;)*; option domain-name "here you can put your domain name if you dont have one take example.com"; option time-offset -18000; # Eastern Standard Time next-server *here ip of your maschine where dhcpd is running*; filename "pxelinux.0"; allow booting; allow bootp; range *here the range of ip adresses your dhcpd is allow to take example: 10.0.0.10 10.0.0.200; }