ND Clocks User Manual - Rev 2.0.1 Sep-08
23
Symmetricom
®
, Inc.
Reset Device
The network clock may be reset with a soft reset to allow the device to clear its current communications
buffer and re-initialize its processing, includes re-requesting of a DHCP address. This feature is
intended to allow the user to remotely reset the unit. This feature does not restore the unit to its factory
default state. Simply right click on the clock you are interested in a select “Reset Device”.
Soft Restarts
A soft restart may periodically be performed automatically by the network clock to attempt to rectify a
problem it may be experiencing. A soft restart is essentially the same as performing a manual soft reset
device as described above.
The ND clock will perform a soft restart under the following conditions:
• If the clock is not receiving an NTP poll response or an NTP broadcast response depending on
which mode the ND clock is in.
• If the clock is set to use DHCP and no DHCP server can be found.
The timeout before doing a soft restart is no less than every 10 minutes. Several factors can increase the
time between these soft restarts.
• The soft restart will be delayed by two hours if a connection is made by telnet or a discovery by
WinDiscovery.
• The soft restart is delayed if the user changes the default parameters for NTP poll
retries/timeouts or the NTP broadcast timeout. For example, if the NTP broadcast timeout is
increased to 60 minutes the soft restart timeout will also be increased to 60 minutes.
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