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diff --git a/doc/examples/kea6/backends.json b/doc/examples/kea6/backends.json
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+// This is an example configuration file for the DHCPv6 server in Kea.
+// It is a basic scenario with one IPv6 subnet configured. It demonstrates
+// how to configure Kea to use various backends to store leases:
+// - memfile
+// - MySQL
+// - PostgreSQL
+
+{ "Dhcp6":
+
+{
+// Kea is told to listen on eth0 interface only.
+  "interfaces-config": {
+    "interfaces": [ "eth0" ]
+  },
+
+// We need to specify lease type. Exactly one lease-database section
+// should be present. Make sure you uncomment only one.
+
+// 1. memfile backend. Leases information will be stored in flat CSV file.
+// This is the easiest backend to use as it does not require any extra
+// dependencies or services running.
+  "lease-database": {
+      "type": "memfile",
+      "persist": true,
+      "lfc-interval": 3600
+  },
+
+// 2. MySQL backend. Leases will be stored in MySQL database. Make sure it
+// is up, running and properly initialized. See kea-admin documentation
+// for details on how to initialize the database. The only strictly required
+// parameters are type and name. If other parameters are not specified,
+// Kea will assume the database is available on localhost, that user and
+// password is not necessary to connect and that timeout is 5 seconds.
+// Kea must be compiled with --with-mysql option to use this backend.
+//  "lease-database": {
+//      "type": "mysql",
+//      "name": "keatest",
+//      "host": "localhost",
+//      "port": 3306,
+//      "user": "keatest",
+//      "password": "secret1",
+//      "reconnect-wait-time": 3000, // expressed in ms
+//      "max-reconnect-tries": 3,
+//      "on-fail": "stop-retry-exit",
+//      "connect-timeout": 3
+//  },
+
+// 3. PostgreSQL backend. Leases will be stored in PostgreSQL database. Make
+// sure it is up, running and properly initialized. See kea-admin documentation
+// for details on how to initialize the database. The only strictly required
+// parameters are type and name. If other parameters are not specified,
+// Kea will assume the database is available on localhost, that user and
+// password is not necessary to connect and that timeout is 5 seconds.
+// Kea must be compiled with --with-pgsql option to use this backend.
+//  "lease-database": {
+//      "type": "postgresql",
+//      "name": "keatest",
+//      "host": "localhost",
+//      "port": 5432,
+//      "user": "keatest",
+//      "password": "secret1",
+//      "reconnect-wait-time": 3000, // expressed in ms
+//      "max-reconnect-tries": 3,
+//      "on-fail": "stop-retry-exit",
+//      "connect-timeout": 3
+//  },
+
+// 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" } ],
+      "subnet": "2001:db8:1::/64",
+      "interface": "eth0"
+    }
+  ],
+
+// 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"
+        }
+    ]
+}
+
+}