{
  # DHCPv4 global reservation config
  # empty configs are not accepted by Kea
  "Dhcp4": {
    "valid-lifetime": 1800,
    "host-reservation-identifiers": [
      "hw-address"
    ],
    "reservation-mode": "global",
    "reservations": [
      # global reservation
      {
        "hostname": "foobar",
        "hw-address": "00:0b:fd:32:e6:fa",
        "option-data": [
          {
            "space": "dhcp4",
            "name": "ip-forwarding",
            "code": 19,
//          "original-data": "off",
            /// canonized booleans to lowercase true or false
            "data": "false"
          }
        ]
      }
    ]
  }
}