3Com 4800G Series, Configuration Manual

Page: 1022 / 1246

1022 C
HAPTER
83: B
ASIC
C
ONFIGURATIONS
Displaying the system clock
The system clock is displayed by system time stamp, which is the same as that
displayed by the
display clock command. The system clock is decided by the
commands clock datetime , clock timezone and clock summer-time . If these
three commands are not configured, the display clock command displays the
original system clock. If you combine these three commands in different ways, the
system clock is displayed in the ways shown in Table 80. The meanings of the
parameters in the configuration column are as follows:
■
1 indicates date-time has been configured with the clock datetime .
■
2 indicates time-zone has been configured with the clock timezone command
and the offset time is zone-offset.
■
3 indicates summer time has been configured with the clock summer-time
command and the offset time is summer-offset.
■
[1] indicates the clock datetime command is an optional configuration.
■
The default system clock is 2005/1/1 1:00:00 in the example.
To do… Use the command… Remarks
Set time and date clock datetime time date Optional
Available in
user view. Set the time zone clock timezone zone-name { add | minus }
zone-offset
Set a summer time
scheme clock summer-time zone-name one-off start-time
start-date end-time end-date add-time
clock summer-time zone-name repeating
start-time start-date end-time end-date add-time
Table 80 Relationship between the configuration and display of the system clock
Configuration
System clock displayed by the display clock
command Example
1 date-time Configure: clock datetime 1:00 2007/1/1
Display: 01:00:00 UTC Mon 01/01/2007
2 The original system clock ÐǬ± zone-offset Configure: clock timezone zone-time add 1
Display: 02:00:00 zone-time Sat 01/01/2005
1 and 2 date-time ÐǬ± zone-offset Configure: clock datetime 2:00 2007/2/2 and clock
timezone zone-time add 1
Display: 03:00:00 zone-time Fri 02/02/2007
[1], 2 and 1 date-time Configure: clock timezone zone-time add 1 and clock
datetime 3:00 2007/3/3
Display: 03:00:00 zone-time Sat 03/03/2007
3 If the original system clock is not in the summer time
range, the original system clock is displayed. Configure: clock summer-time ss one-off 1:00 2006/1/1
1:00 2006/8/8 2
Display: 01:00:00 UTC Sat 01/01/2005
If the original system clock is in the summer time
range, the original system clock +
summer-offset is
displayed.
Configure: clock summer-time ss one-off 00:30 2005/1/1
1:00 2005/8/8 2
Display: 03:00:00 ss Sat 01/01/2005