# /etc/systemd/system/ptp4l-client.service


[Unit]
Description=PTP client on enp4s0
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
ExecStart=/usr/sbin/ptp4l \
    -i enp4s0 \
    -f /etc/linuxptp/ptp4l-client.conf \
    -m
Restart=always
RestartSec=3

[Install]
WantedBy=multi-user.target