2-1 
2  Basic System Configuration and Debugging 
When configuring basic system configuration and debugging, go to these sections for information you 
are interested in: 
z  Basic System Configuration 
z  Displaying the System Status 
z  Debugging the System 
Basic System Configuration 
Perform the following basic system configuration: 
To do…  Use the command…  Remarks 
Set the current date and time of 
the system 
clock datetime HH:MM:SS 
{ YYYY/MM/DD | 
MM/DD/YYYY } 
Required 
Execute this command in user 
view. 
The default value is 23:55:00 
04/01/2000 when the system 
starts up.  
Set the local time zone 
clock timezone zone-name 
{ add | minus } HH:MM:SS 
Optional 
Execute this command in user 
view. 
By default, it is the UTC time zone.
Set the name and time range of 
the summer time 
clock summer-time 
zone_name { one-off | 
repeating } start-time 
start-date end-time 
end-date offset-time 
Optional 
Execute this command in user 
view. 
z  When the system reaches the 
specified start time, it 
automatically adds the 
specified offset to the current 
time, so as to toggle the system 
time to the summer time. 
z  When the system reaches the 
specified end time, it 
automatically subtracts the 
specified offset from the current 
time, so as to toggle the 
summer time to normal system 
time. 
Enter system view from user 
view 
system-view 
— 
Set the system name of the 
switch 
sysname sysname 
Optional  
By default, the name is 3Com. 
Return from current view to 
lower level view 
quit 
Optional 
If the current view is user view, you 
will quit the current user interface.