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+// This is an example configuration file for DHCPv6 server in Kea.
+// It's a basic scenario with one IPv6 subnet configured. It is
+// assumed that one subnet (2001:db8:1::/64 is available directly
+// over eth0 interface.
+
+{ "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",
+ "lfc-interval": 3600
+ },
+
+// 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": [
+ {
+ "id": 1,
+ "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. Alternatively, you can specify stderr here, a filename
+// or 'syslog', which will store output messages via syslog.
+ "loggers": [
+ {
+ "name": "kea-dhcp6",
+ "output-options": [
+ {
+ "output": "stdout"
+ }
+ ],
+ "debuglevel": 0,
+ "severity": "INFO"
+ }
+ ]
+}
+
+}