Configuring the System Time Using the Network Time Protocol 69Configuring theSystem Time Usingthe Network TimeProtocolTo configure the system time of the Webcache using the Network TimeProtocol, you must enter the following information in the Getting Startedwizard or Time Configuration command in the Web interface:1 Select a timezone from the options in the Timezone drop-down list.The Webcache automatically performs daylight savings adjustmentsaccording to the timezone that you have selected.2 Choose Network Time Protocol by clicking the appropriate radio button.3 Enter the IP address of the NTP server that you want to use in the NTPServer IP Address field.Configuring theSystem TimeManuallyTo manually configure the system time of the Webcache, you must enterthe following information in the Getting Started wizard or TimeConfiguration command in the Web interface:1 Select a timezone from the options in the Timezone drop-down list.The Webcache automatically performs daylight savings adjustmentsaccording to the timezone that you have selected.2 Choose Manual Time Configuration by clicking the appropriate radiobutton.3 Enter the current day, month, year and the current time (in 24 hour clockformat) in the appropriate fields.4 Click Apply Now as soon as you have manually entered this informationto ensure the greatest accuracy. You cannot click Next until you havedone this.System Time andPerformanceGraphsWhen the system time of the Webcache is set manually, all of the currentPerformance Graphs are reset and all previous graph history is lost. Youshould therefore only change the system time when it is absolutelynecessary. The following system time changes affect the PerformanceGraphs in this way: The system time is manually configured. The system time is changed from Network Time Protocol to ManualTime Configuration, or vice versa. The IP address of the Network Time Protocol server is changed.