// This is an example configuration file for DHCPv6 server in Kea.
// It's a basic scenario with three IPv6 subnets use different
// methods for determining T1 and T2 values.

{ "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.  By default calculate-tee-times
// is true with values of .5 and .8 for t1-percent and t2-percent
// respectively.  Since some of our subnets will use calculated values and
// we must NOT specify global values for renew-timer and rebind-timer.
  "preferred-lifetime": 3000,
  "valid-lifetime": 4000,

// The following list defines subnets. Each subnet consists of at
// least subnet and pool entries.
  "subnet6": [
  {
        //  This subnet use default calculation
        "id": 1,
        "subnet": "2001:db8:1::/64",
        "pools": [ { "pool": "2001:db8:1::/80" } ]
  },
  {
        // This subnet will use explicit values. Explicit
        // values override calculation.
       "id": 2,
       "subnet": "2001:db8:2::/64",
       "pools": [ { "pool": "2001:db8:2::/80" } ],
       "renew-timer":  1000,
       "rebind-timer": 2000
  },
  {
        // This subnet will use custom percents
       "id": 3,
       "subnet": "2001:db8:3::/64",
       "pools": [ { "pool": "2001:db8:3::/80" } ],
       "t1-percent": .45,
       "t2-percent": .7
  }],

// 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"
        }
    ]
}

}
