allow bootp;
allow booting;
allow client-updates;

authoritative;

if substring(option dhcp-client-identifier, 0, 1) = "\x00" {
  ddns-hostname = pick-first-value(substring(option dhcp-client-identifier, 1, 128), option host-name, binary-to-ascii(10, 8, ".", leased-address));
}
else {
  ddns-hostname = pick-first-value(option host-name, binary-to-ascii(10, 8, ".", leased-address));
}

ddns-domainname "%s";
ddns-update-style interim;
ddns-updates on;

default-lease-time 86400;
max-lease-time 604800;

pid-file-name "/var/run/%s.pid";
local-port %s;

key mykey {
    algorithm hmac-md5;
      secret "%s";
};

%s

subnet %s netmask %s {
  option subnet-mask %s;
  option broadcast-address %s;
  option routers %s;
  option domain-name "%s";
  option domain-name-servers %s;
  range %s %s;
}

%s