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 SecureSync 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.
Note: Before you can choose an option in the Key field,
you must first set up symmetric keys through the Actions
panel. See "Configuring NTP Symmetric Keys" on
page130. Conversely, you may check the Autokey box
below the Key field.
Enable Autokey: Click here if you want to use Autokey with this
server. See NTP Autokey.
Note: When you configure NTP Autokey, you must first
disable the NTP service in the NTP Services panel, and
then re-enable it after the Autokey configuration is com-
pleted.
Enable Burst: This tells NTP to send a burst to the remote server
when the server is reachable.
Enable Iburst: The iburst function tells NTP to send a burst of queries
instead of one when the remote server is not reachable for faster
clock synchronization. This will occur if the connection was inter-
rupted, or upon restart of the NTP daemon. For additional inform-
ation, please refer to public NTP configuration documentation.
2.15 Configure NTP
CHAPTER 2 • SecureSync 2400 User Manual Rev. 5.2
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