Rockwell Automation Publication 1783-UM007G-EN-P - February 2017 295
Configure Switch Features Chapter 7
Network Time Protocol (NTP)
Network Time Protocol (NTP), documented in RFC 1305, is the traditional
method of synchronizing clocks across packet-based networks. NTP uses a
two-way time transfer mechanism between a master and a slave.
NTP is capable of synchronizing devices in a tightly-controlled network. The
switch can use NTP as a time source for PTP, which lets you correlate data
generated in the PTP network with data in the enterprise data center running
NTP. For information about configuring NTP to PTP time conversion, see
page 195.
Use the configuration software for the switch to view NTP status and to
configure the NTP associations. An NTP association can be one of these
types:
• Peer association—The switch can either synchronize to another device
or allow the other device to synchronize to the switch.
• Server association—Only the switch synchronizes to another device.
The other device cannot synchronize to the switch.
Configure NTP in Device Manager
From the Configure menu, choose NTP.
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