HP 200 Unified Threat Management (UTM) Appliance Series Rychlý návod stáhnout pdf (Strana 96)

Figure 70 Configuring Device A as the NTP server of Device B

3. Verifying the configuration

After the configuration, you can see that the current system time displayed on the System Time page is the

same for Device A and Device B.

Configuration guidelines

A device can act as a server to synchronize the clock of other devices only after its clock has been

synchronized. If the clock of a server has a stratum level higher than or equal to that of a client's clock,

the client will not synchronize its clock to the server's.

The synchronization process takes a period of time. Therefore, the clock status may be unsynchronized

after your configuration. In this case, you can refresh the page to view the clock status later on.

If the system time of the NTP server is ahead of the system time of the device, and the difference between

them exceeds the Web idle time specified on the device, all online Web users are logged out because

of timeout.

Configuring the system time at the CLI

You must synchronize your device with a trusted time source by using NTP or changing the system time

before you run it on the network. Network management depends on an accurate system time setting,

because the timestamps of system messages and logs use the system time. For NTP configuration, see

Network Management and Monitoring Configuration Guide.

In a small-sized network, you can manually set the system time of each device.

IMPORTANT:

If you reboot the device, the system time and date are restored to the factory default. To ensure an accurate

system time setting, you must change the system time and date or configure NTP for the device.

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HP 200 Unified Threat Management (UTM) Appliance Series Rychlý návod Strana 96