{
  "Dhcp4": {
    "authoritative": true,
    "valid-lifetime": 360,
    "renew-timer": 180,
    "rebind-timer": 315,

    "interfaces-config": {
      "interfaces": [ "enp5s0", "enp6s0", "br-qemu" ]
    },

    "control-socket": {
      "socket-type": "unix",
      "socket-name": "/run/kea/kea4-ctrl-socket"
    },

    "lease-database": {
      "type": "memfile",
      "lfc-interval": 360
    },

    "option-data": [
      {
        "name": "domain-name-servers",
        "data": "172.16.27.249"
      },
      {
        "name": "domain-name",
        "data": "exam.ple"
      },
      {
        "name": "domain-search",
        "data": "exam.ple"
      }
    ],

    "subnet4": [
      {
        "id": 1,
        "subnet": "172.16.27.248/29",
        "pools": [
          {"pool": "172.16.27.250 - 172.16.27.254"}
        ],

        "option-data": [
          {
            "name": "routers",
            "data": "172.16.27.249"
          }
        ]
      },
      {
        "id": 2,
        "subnet": "172.16.27.192/27",
        "pools": [
          {"pool": "172.16.27.194 - 172.16.27.222"}
        ],

        "option-data": [
          {
            "name": "routers",
            "data": "172.16.27.193"
          }
        ]
      },
      {
        "id": 3,
        "subnet": "172.16.27.224/28",
        "pools": [
          {"pool": "172.16.27.226 - 172.16.27.238"}
        ],

        "option-data": [
          {
            "name": "routers",
            "data": "172.16.27.225"
          }
        ]
      }
    ],
    "ddns-send-updates": true,
    "ddns-qualifying-suffix": "exam.ple",
    "ddns-override-no-update": true,
    "ddns-override-client-update": true,
    "hostname-char-set": "[^A-Za-z0-9.-]",
    "hostname-char-replacement": "x",
    "dhcp-ddns": {
      "enable-updates": true,
      "server-ip": "127.0.0.1"
    }
  }
}