{
"Dhcp4": {
    "interfaces-config": {
        "interfaces": [ "eth0/<ip redacted>" ]
    },
    "control-socket": {
        "socket-type": "unix",
        "socket-name": "/run/kea/kea4-ctrl-socket"
    },
    "lease-database": {
        "type": "memfile",
        "lfc-interval": 86400  // 24 hours
    },
    "expired-leases-processing": {
        "reclaim-timer-wait-time": 10,
        "flush-reclaimed-timer-wait-time": 25,
        "hold-reclaimed-time": 3600,
        "max-reclaim-leases": 100,
        "max-reclaim-time": 250,
        "unwarned-reclaim-cycles": 5
    },
    "renew-timer": 900,
    "rebind-timer": 1800,
    "valid-lifetime": 3600,
    "calculate-tee-times": true,
    "option-data": [
        {
            "name": "domain-name-servers",
            "data": "<ip redacted>, <ip redacted>"
        },
        {
	    "name": "domain-name",
            "data": "<domain redacted>"
        },
        {
            "name": "domain-search",
            "data": "<domain redacted>"
        }
    ],
    "hooks-libraries": [
        {
			"library": "/usr/local/lib/aarch64-linux-gnu/kea/hooks/libdhcp_ha.so",
			"parameters": {
				"high-availability": [{
					"this-server-name": "diorite",
					"mode": "hot-standby",
					"heartbeat-delay": 10000,
					"max-response-delay": 60000,
					"max-ack-delay": 5000,
					"max-unacked-clients": 5,
					"peers": [{
						"name": "dacite",
						"url": "http://<ip redacted>:8005/",
						"role": "primary",
						"auto-failover": true
					}, {
						"name": "diorite",
						"url": "http://<ip redacted>:8005/",
						"role": "standby",
						"auto-failover": true
					}]
				}]
			}
		}
		
	],
    "subnet4": [
        {
            "id": 1,
            "subnet": "<ip redacted>/24",
            "option-data": [
		{
			"name": "routers",
			"data": "<ip redacted>"
		},
		{
			"name": "domain-name-servers",
			"data": "<ip redacted>, <ip redacted>"
		}
	    ],
            "reservations": [
                { "hw-address": "<mac redacted>", "ip-address": "<ip redacted>", "hostname": "dacite" },  // dacite is the primary dhcp server, it has a statically configured address, this reservation should never be used. it's included here mostly for bookkeeping purposes.
                { "hw-address": "<mac redacted>", "ip-address": "<ip redacted>", "hostname": "diorite" },  // diorite is the backup dhcp server, it is also statically configured.
		// various other reservations redacted
            ],
            "pools": [ { "pool": "<ip redacted> - <ip redacted>" } ]
        }
    ],
    "loggers": [
    {
        "name": "kea-dhcp4",
        "output_options": [
            {
                "output": "syslog",
                "pattern": "%-5p %m\n"
            }
        ],
        "severity": "INFO",
        "debuglevel": 0
    }
  ]
}
}