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S
YSTEM
 M
AINTENANCE
 
AND
 
D
EBUGGING
Basic System 
Configuration
The basic system configuration and management include:
Switch name setting
System clock setting
Time zone setting
Summer time setting
Setting a Name for a 
Switch
Perform the following configuration in system view.
Setting the System Clock
Perform the following configuration in user view.
Setting the Time Zone
You can configure the name of the local time zone and the time difference 
between the local time and the Universal Time Coordinated (UTC) time.
Perform the following configuration in user view.
By default, the UTC time zone is adopted.
Setting the Summer 
Time
You can set the name, start and end time of the summer time.
Perform the following configuration in user view.
Table 797   Set a name for a switch
Operation 
Command 
Set a switch name 
sysname sysname 
Restore the switch name to the default 
undo sysname
Table 798   Set the system clock
Operation 
Command 
Set the system clock 
clock datetime HH:MM:SS YYYY/MM/DD
Table 799   Set the time zone
Operation 
Command 
Set the local time 
clock timezone zone-name { add | minus } 
HH:MM:SS 
Restore to the default UTC time zone 
undo clock timezone