[Unit] Description=ISC KEA DDNS Service Documentation=man:kea-dhcp-ddns(8) Wants=network-online.target After=network-online.target time-sync.target [Service] ExecStart=/usr/local/sbin/kea-dhcp-ddns -c /etc/kea/kea-ddns.conf [Install] WantedBy=kea-dhcpv4-server.service WantedBy=kea-dhcpv6-server.service