kea/doc/examples/kea6/multiple-options.json

# This is an example configuration file for DHCPv6 server in Kea.
# It demonstrates simple configuration of the options for a subnet.

{ "Dhcp6":

{
# Kea is told to listen on ethX interface only.
  "interfaces": [ "ethX" ],

# We need to specify lease type. As of May 2014, three backends are supported:
# memfile, mysql and pgsql. We'll just 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 repond
# 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,

# Defining a subnet. There are 2 DHCP options returned to the
# clients connected to this subnet. The first option is identified
# by the name. The second option is identified by the code.
  "subnet6": [
    {
      "pools": [ { "pool": "2001:db8:1::/80" } ],
      "subnet": "2001:db8:1::/64",
      "interface": "ethX",
      "option-data": [
        {
            "name": "dns-servers",
            "data": "2001:db8:2::45, 2001:db8:2::100"
        },
        {
            "code": 12,
            "data": "2001:db8:1:0:ff00::1"
        },
      ]
    }
  ]
},

# The following configures logging. Kea will log all debug messages
# to /var/log/kea-debug.log file.
"Logging": {
    "loggers": [
        {
            "name": "kea-dhcp6",
            "output_options": [
                {
                    "output": "/var/log/kea-debug.log"
                }
            ],
            "debuglevel": 99,
            "severity": "DEBUG"
        }
    ]
}

}