[Unit]
Description=Layer 2 tunneling protocol network server (LNS)
After=network.target
Documentation=man:l2tpns(8) man:startup-config(5)

[Service]
EnvironmentFile=-/etc/default/l2tpns
ExecStart=/usr/sbin/l2tpns $L2TPNS_OPTS
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure
RestartSec=5s

[Install]
WantedBy=multi-user.target