Spectracom VersaSync User Manual page 102

2.7 Configuring Network Settings
Servers panel, they could not be resolved. Verify the IP address. Note that System servers
cannot be edited or deleted.
4.
The NTP Server Edit window displays. Enter the required information:
90
To ADD a new server, click the PLUS icon in the upper right-hand corner, and pro-
ceed to the next step.
Note: In order for other NTP Servers to be a valid reference, "NTP"
must be enabled as both the Time and 1PPS references in the Refer-
ence Priority table. See "Configuring Input Reference Priorities" on
page 131.
To EDIT an existing server, click the corresponding ACTION GEAR 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.
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 Maximum 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 mutu-
ally exclusive and must be identically configured on both the VersaSync and the
NTP Peer or NTP Server. If the Symmetric Key-ID/Key string pair method is selec-
ted 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
first set up symmetric keys through the
figuring NTP Symmetric Keys" on page 98. Conversely, you may
check the Autokey
Enable Autokey : Click here if you want to use Autokey with this server. See "NTP
Autokey" on page 93.
Note: When you configure NTP Autokey, you must first disable the
NTP service in the
Actions
box below the Key field.
NTP Services panel, and then re-enable it after the
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2 VersaSync User Manual Rev. 6.0
Key field, you must
panel. See "Con-