{ "Dhcp6": { "renew-timer": 900, "rebind-timer": 1800, "valid-lifetime": 3600, "interfaces-config": { "interfaces": ["ens33"], }, "lease-database": { "type": "memfile", "persist": true, "name": "/var/lib/kea/dhcp6.leases" }, "subnet6": [ { "subnet": "2001:db8:1::/64", "pools": [ { "pool": "2001:db8:1::5 - 2001:db8:1::ffff" } ] } ] } }