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diff --git a/doc/examples/kea6/several-subnets.json b/doc/examples/kea6/several-subnets.json
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+// 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" } ],
+       "subnet": "2001:db8:1::/64"  },
+  {    "pools": [ { "pool": "2001:db8:2::/80" } ],
+       "subnet": "2001:db8:2::/64"  },
+  {    "pools": [ { "pool": "2001:db8:3::/80" } ],
+       "subnet": "2001:db8:3::/64"  },
+  {    "pools": [ { "pool": "2001:db8:4::/80" } ],
+       "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"
+        }
+    ]
+}
+
+}