Configuration Guide Basic Switch Management Configuration
System Time Configuration
Overview
Every switch has its system clock, which provides date (year, month, day) and
time (hour, minute, second) and week. When you use a switch for the first time,
you must configure the system clock manually. Of course, you can adjust the
system clock when necessary. System clock is used for such functions as
system logging that need recording the time when an event occurs.
Setting System Time and Date
You can configure the system time on the network device manually. Once
configured, the clock will be running continuously even if the network device is
powered off. Therefore, unless you need to modify the time of device, it is not
necessary to configure the time again.
However, for the network devices that don‟t provide the hardware clock,
manually setting time actually configures software clock, which only takes effect
for this operation. When the network devices are powered off, the manually set
time will not be valid.
For example, change the system time to10:10:12, 2003-6-20:
Ruijie# clock set 10:10:12 6 20 2003 //Set system time and
date.
Ruijie# show clock //Confirm the
modification
takes effect.
clock: 2003-6-20 10:10:54
Showing System Time and Date
You can show system time and date by using the show clock command in the
privileged mode. The following is the format:
Ruijie# sh clock //Show the current system time and
date.
clock: 2003-5-20 11:11:34
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