{ ... }: {
  services.kea.dhcp4 = {
    enable = true;
    settings = {
      interfaces-config = {
        interfaces = [
          "lan"
          "server"
          "multimedia"
          "smart"
          "guest"
        ];
      };
      lease-database = {
        name = "/var/lib/kea/dhcp4.leases";
        persist = true;
        type = "memfile";
      };
      rebind-timer = 2000;
      renew-timer = 1000;
      subnet4 = [
        {
          pools = [
            {
              pool = "10.42.96.100 - 10.42.96.240";
            }
          ];
          subnet = "10.42.96.0/24";
          interface = "lan";
          reservations = [
            {
              hw-address = "98:b6:e9:b6:ef:f4";
              ip-address = "10.42.96.21";
              server-hostname = "switch.cloonar.com";
            }
            {
              hw-address = "c4:a7:2b:c7:ea:30";
              ip-address = "10.42.96.167";
              server-hostname = "metz.cloonar.com";
            }
            {
              hw-address = "bc:33:29:ed:24:f0";
              ip-address = "10.42.96.176";
              server-hostname = "ps5-living.cloonar.com";
            }
          ];
        }
        {
          pools = [
            {
              pool = "10.42.97.100 - 10.42.97.240";
            }
          ];
          subnet = "10.42.97.0/24";
          interface = "server";
          reservations = [
            {
              hw-address = "0a:0e:52:a2:f7:8e";
              ip-address = "10.42.97.20";
              server-hostname = "home-assistant.cloonar.com";
            }
            {
              hw-address = "36:2a:c9:26:d7:77";
              ip-address = "10.42.97.118";
              server-hostname = "git.cloonar.com";
            }
          ];
        }
        {
          pools = [
            {
              pool = "10.42.99.100 - 10.42.99.240";
            }
          ];
          subnet = "10.42.99.0/24";
          interface = "multimedia";
        }
        {
          pools = [
            {
              pool = "10.42.100.100 - 10.42.100.240";
            }
          ];
          subnet = "10.42.100.0/24";
          interface = "guest";
        }
        {
          pools = [
            {
              pool = "10.42.254.100 - 10.42.254.240";
            }
          ];
          subnet = "10.42.254.0/24";
          interface = "smart";
          reservations = [
            {
              hw-address = "7a:5a:d6:d0:29:fe";
              ip-address = "10.42.254.10";
              server-hostname = "home-assistant.cloonar.smart";
            }
            {
              hw-address = "60:a4:23:97:4a:ec";
              ip-address = "10.42.254.21";
              server-hostname = "shellymotionsensor-60A423974AEC.cloonar.smart";
            }
            {
              hw-address = "8c:aa:b5:61:6f:e2";
              ip-address = "10.42.254.103";
              server-hostname = "ShellyBulbDuo-8CAAB5616FE2.cloonar.smart";
            }
            {
              hw-address = "8c:aa:b5:61:6e:9e";
              ip-address = "10.42.254.104";
              server-hostname = "ShellyBulbDuo-8CAAB5616E9E.cloonar.smart";
            }
            {
              hw-address = "cc:50:e3:bc:27:64";
              ip-address = "10.42.254.112";
              server-hostname = "Nuki_Bridge_1A753F72.cloonar.smart";
            }
            {
              hw-address = "e8:db:84:aa:19:6d";
              ip-address = "10.42.254.116";
              server-hostname = "shellybutton1-E8DB84AA196D.cloonar.smart";
            }
            {
              hw-address = "e8:db:84:a9:ea:be";
              ip-address = "10.42.254.117";
              server-hostname = "ShellyBulbDuo-E8DB84A9EABE.cloonar.smart";
            }
            {
              hw-address = "e8:db:84:a9:d1:8b";
              ip-address = "10.42.254.119";
              server-hostname = "shellycolorbulb-E8DB84A9D18B.cloonar.smart";
            }
            {
              hw-address = "3c:61:05:e5:96:e0";
              ip-address = "10.42.254.120";
              server-hostname = "shellycolorbulb-3C6105E596E0.cloonar.smart";
            }
            {
              hw-address = "e8:db:84:a9:d7:ef";
              ip-address = "10.42.254.121";
              server-hostname = "shellycolorbulb-E8DB84A9D7EF.cloonar.smart";
            }
            {
              hw-address = "e8:db:84:aa:51:aa";
              ip-address = "10.42.254.122";
              server-hostname = "shellycolorbulb-E8DB84AA51AA.cloonar.smart";
            }
            {
              hw-address = "34:6f:24:f3:af:ad";
              ip-address = "10.42.254.137";
              server-hostname = "daikin86604.cloonar.smart";
            }
            {
              hw-address = "34:6f:24:c1:f8:54";
              ip-address = "10.42.254.139";
              server-hostname = "daikin53800.cloonar.smart";
            }
          ];
        }
      ];
      dhcp-ddns = {
        enable-updates = true;
      };
      valid-lifetime = 4000;
    };
  };
}