config.json

{
  "Dhcp6": {
    "server-id": {
      "htype": 1,
      "identifier": "56847afe6699",
      "time": 512640186,
      "type": "LLT"
    },
    "lease-database": {
      "contact-points": "127.0.0.1",
      "keyspace": "kea_shard",
      "max-statement-tries": 1,
      "password": "keatest",
      "type": "cql",
      "user": "keatest"
    },
    "expired-leases-processing": {
      "flush-reclaimed-timer-wait-time": 25,
      "hold-reclaimed-time": 3600,
      "max-reclaim-leases": 100,
      "max-reclaim-time": 250,
      "reclaim-timer-wait-time": 10,
      "unwarned-reclaim-cycles": 5
    },
    "preferred-lifetime": 30,
    "valid-lifetime": 40,
    "renew-timer": 10,
    "rebind-timer": 20,
    "subnet6": [
      {
        "subnet": "3001:db8:1::/48",
        "pools": [
          {
            "pool": "3001:db8:1::/80"
          }
        ],
        "pd-pools": [
          {
            "prefix": "3001:db8:1:1::",
            "prefix-len": 80,
            "delegated-len": 96
          }
        ]
      }
    ]
  }
}