2. The NTP Setup screen appears. The NTP Servers panel displays a list of
recognized NTP servers. Click the GEAR icon in the upper right-hand
corner of the NTP Servers panel.
3. The NTP Servers window opens. Should the list be empty, no servers have
been added yet. In the event that added servers are not displayed in the
NTP Setup screen/NTP Servers panel, they could not be resolved. Verify
the IP address. Note that System servers cannot be edited or deleted.
To ADD a new server, click the PLUS icon in the upper right-hand
corner, and proceed to the next step.
Note: In order for other NTP Servers to be a valid ref-
erence, “NTP” must be enabled as both the Time and
1PPS references in the Reference Priority table. See "Con-
figuring Input Reference Priorities" on page173.
To EDIT an existing server, click the corresponding ACTIONGEAR
button, and proceed to the next step.
To REMOVE a server (and its associated configurations), click the X-
button next to it, then confirm by clicking OK.
4. The NTP Server Edit window displays. Enter the required information:
Host: The IP address for the server to be used as host.
Min Poll Interval: Select a value from the drop down (the default is 3
(8s)).
Max Poll Interval: Select a value from the drop down (the default is 3
(8s)). For both NTP Peers, and NTP Servers the Minimum and Max-
imum Poll rate for NTP packets can be configured.
Both NTP Peers and NTP Servers support either manually configured
Symmetric Key-ID/Key string pairs or the use of Auto-Key. However,
these choices are mutually exclusive and must be identically con-
figured on both the VersaSync and the NTP Peer or NTP Server. If the
Symmetric Key- ID/Key string pair method is selected the Key- ID
must be first defined on the Symmetric Key page.
Enable Symmetric Key: Click to enable Symmetric Key, and then
select an option from the drop down menu that displays.
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CHAPTER 2 • VersaSync User Manual Rev. 12
2.8 Configuring Network Settings
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