D-Link DFL-2560 Product Manual - Page 136
Settings Summary for Date and Time, Time Zone
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3.8.4. Settings Summary for Date and Time Chapter 3. Fundamentals Sometimes it might be necessary to override the maximum adjustment. For example, if time synchronization has just been enabled and the initial time difference is greater than the maximum adjust value. It is then possible to manually force a synchronization and disregard the maximum adjustment parameter. Example 3.26. Forcing Time Synchronization This example demonstrates how to force time synchronization, overriding the maximum adjustment setting. Command-Line Interface gw-world:/> time -sync -force Synchronization Intervals The interval between each synchronization attempt can be adjusted if needed. By default, this value is 86,400 seconds (1 day), meaning that the time synchronization process is executed once in a 24 hour period. D-Link Time Servers Using D-Link's own Time Servers is an option in NetDefendOS and this is the recommended way of synchronizing the firewall clock. These servers communicate with NetDefendOS using the SNTP protocol. When the D-Link Server option is chosen, a predefined set of recommended default values for the synchronization are used. Example 3.27. Enabling the D-Link NTP Server To enable the use of the D-Link NTP server: Command-Line Interface gw-world:/> set DateTime TimeSynchronization=D-Link Web Interface 1. Go to System > Date and Time 2. Select the D-Link TimeSync Server radio button 3. Click OK As mentioned above, it is important to have an external DNS server configured so that the D-Link Time Server URLs can be resolved during the access process. 3.8.4. Settings Summary for Date and Time Below is a summary of the various settings for date and time: Time Zone 136