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1. Default configuration
The default configuration can be found in /etc/linuxptp/ptp4l.conf.
This is the default.cfg provided by the upstream source.
2. Systemd services
The service ptp4l invokes ptp4l on eth0 by default. To adjust the
parameters, follow these steps:
1. create a directory /etc/systemd/system/ptp4l.service.d
2. place a file with its name ending in .conf there
3. put these lines into the file, with the parameters adjusted to your needs:
[Service]
ExecStart=
ExecStart=/usr/sbin/ptp4l -f /etc/linuxptp/ptp4l.conf -i eth0
The service phc2sys syncs the system clock with the PTP clock. It is not
enabled and started by default. To activate this service, invoke the
following commands as root:
$ systemctl enable phc2sys
$ systemctl start phc2sys
It also uses eth0 as the default and can be customized as described above.
The service timemaster also isn't enabled and started by default
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