Enhanced PTP User Guide (UG1602)

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1.1 English

The NTP service should only be running when using an sfptpd mode that requires NTP as a timesource or fallback timesource, such as NTP fallback mode or NTP/PPS mode.

If NTP is not required by the sfptpd mode, the service should be terminated before starting the sfptpd daemon. This is to prevent NTP from changing the system clock. sfptpd will synchronize the system clock.

# service ntpd stop
# systemctl status ntpd

On startup sfptpd stats_log, message_log output will warn you if the NTP service is running.