Operation Manual – System Maintenance and DebuggingH3C S7500 Series Ethernet SwitchesChapter 2 Basic System Configuration andDebugging2-22.1.3 Setting the System Name of the SwitchTo do… Use the command… RemarksEnter system view system-view —Set the system name ofthe switch sysname sysnameOptionalBy default, the name isH3C.2.1.4 Setting the Date and Time of the SystemTo do… Use the command… RemarksSet the current date andtime of the systemclock datetime HH:MM:SSYYYY/MM/DD Optional2.1.5 Setting the Local Time ZoneThis configuration task is to set the name of the local time zone and the differencebetween the local time zone and the standard UTC (universal time coordinated) time.Follow the step to set the local time zone:To do… Use the command… RemarksSet the local time zoneclock timezonezone-name { add |minus } HH:MM:SSOptionalBy default, it is the UTCtime zone.2.1.6 Setting the Daylight Saving TimeThis configuration task is to set the name, time range (start time and end time), andtime offset of the daylight saving time. The operation here saves you from manuallyadjust the system time.z When the system reaches the specified start time, it automatically adds thespecified offset to the current time, so as to toggle the system time to the daylightsaving time.z When the system reaches the specified end time, it automatically subtracts thespecified offset from the current time, so as to toggle the daylight saving time tonormal system time.Follow the step to set the daylight saving time: