Synchronizing the system time in the
Basic - L3P
Release
4.0
11/07
7.3
Precision Time Protocol
15
Enable the PTP function on all devices whose time you want to synchro-
nize using PTP.
If no reference clock is available, you specify a Switch as the reference
clock and set its system time as accurately as possible.
7.3.3 Configuring PTP
In the Time:PTP:Global dialog, you can enable/disable the function and
make PTP settings on the MS20/30 and Power MICE devices which are
to apply to all ports.
X PTP Global
Select the Time:PTP:Global dialog.
Activate the function in the "Operation IEEE 1588 / PTP" frame.
If you have selected this Switch as the PTP reference clock, se-
lect the value "true" in the "Preferred Master" line of the "Config-
uration IEEE 1588 / PTP" frame.
X With "Reinitialize" you trigger the synchronization of the local clock.
X Configuration
Clock Mode: Mode of the local clock. Possible options are:
– ptp-mode-boundary-clock
– ptp-mode-simple-ptp (without delay correction or specification of
best clock). Select this mode if the Switch does not have a time
stamp unit (RT module).
Preferred Master: Define the local clock as the preferred mas-
ter.
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