option domain-name "cyberorg.info";
option domain-name-servers 202.138.103.100;
option routers 10.0.0.254;
default-lease-time 8639913600;
ddns-update-style none;
subnet 10.0.0.0 netmask 255.255.255.0 {
  next-server 10.0.0.254;
  range 10.0.0.50 10.0.0.60;
  default-lease-time 8639913600;
  max-lease-time 8639913600;
  filename "pxelinux.0";
}