Operation Manual – System Maintaining and DebuggingH3C S3610&S5510 Series Ethernet Switches Chapter 1 Basic Configurations1-21.1.2 Configuring the Device NameTo do… Use the command… RemarksEnter system view system-view —Configure the devicename sysname sysname OptionalThe device name is H3C by default.1.1.3 Configuring the System ClockI. Configuring the system clockFollow these steps to configure the system clock:To do… Use the command… RemarksSet time and date clock datetime time dateSet the time zone clock timezone zone-name { add | minus }zone-offsetclock summer-time zone-name one-offstart-time start-date end-time end-dateadd-timeSet a summertime scheme clock summer-time zone-name repeatingstart-time start-date end-time end-dateadd-timeOptionalAvailable inuser view.II. Displaying the system clockThe system clock is displayed by system time stamp, which is the same as thatdisplayed by the display clock command. The system clock is decided by thecommands clock datetime, clock timezone and clock summer-time. If these threecommands are not configured, the display clock command displays the originalsystem clock. If you combine these three commands in different ways, the system clockis displayed in the ways shown in Table 1-1. The meanings of the parameters in theconfiguration column are as follows:z 1 indicates date-time has been configured with the clock datetime.z 2 indicates time-zone has been configured with the clock timezone commandand the offset time is zone-offset.z 3 indicates summer time has been configured with the clock summer-timecommand and the offset time is summer-offset.z [1] indicates the clock datetime command is an optional configuration.z The default system clock is 2005/1/1 1:00:00 in the example.