// This is an example configuration file for DHCPv6 server in Kea.
// It's a basic scenario with four IPv6 subnets configured. In each
// subnet, there's a smaller pool of dynamic addresses.

{ "Dhcp6":

{
// Kea is told to listen on eth0 interface only.
  "interfaces-config": {
    "interfaces": [ "eth0" ]
  },

// We need to specify the database used to store leases. As of
// June 2022, three database backends are supported: MySQL,
// PostgreSQL and the in-memory database, Memfile.
// We'll use memfile because it doesn't require any prior set up.
  "lease-database": {
    "type": "memfile"
  },

// Addresses will be assigned with preferred and valid lifetimes
// being 3000 and 4000, respectively. Client is told to start
// renewing after 1000 seconds. If the server does not respond
// after 2000 seconds since the lease was granted, client is supposed
// to start REBIND procedure (emergency renewal that allows switching
// to a different server).
  "preferred-lifetime": 3000,
  "valid-lifetime": 4000,
  "renew-timer": 1000,
  "rebind-timer": 2000,

// The following list defines subnets. Each subnet consists of at
// least subnet and pool entries.
  "subnet6": [
  {    "pools": [ { "pool": "2001:db8:1::/80" } ],
       "id": 1, "subnet": "2001:db8:1::/64"  },
  {    "pools": [ { "pool": "2001:db8:2::/80" } ],
       "id": 2, "subnet": "2001:db8:2::/64"  },
  {    "pools": [ { "pool": "2001:db8:3::/80" } ],
       "id": 3, "subnet": "2001:db8:3::/64"  },
  {    "pools": [ { "pool": "2001:db8:4::/80" } ],
       "id": 4, "subnet": "2001:db8:4::/64"  } ],

// The following configures logging. It assumes that messages with at
// least informational level (info, warn, error and fatal) should be
// logged to stdout.
  "loggers": [
        {
            "name": "kea-dhcp6",
            "output-options": [
                {
                    "output": "stdout"
                }
            ],
            "debuglevel": 0,
            "severity": "INFO"
        }
    ]
}

}