3Com 7750 Series Chapter 1 Basic System Configuration & Debugging Commands

3Com Switch 7750 Series
Command Reference Guide – System Maintenance & Debugging Chapter 1 Basic System Configuration & Debugging Commands
1-1
Chapter 1 Basic System Configuration &
Debugging Commands
1.1 Basic System Configuration Commands
1.1.1 clock datetime
Syntax
clock datetime HH:MM:SS YYYY/MM/DD
View
User view
Parameter
HH:MM:SS: Current time, where HH ranges from 0 to 23, MM and SS range from 0 to
59.
YYYY/MM/DD: Current date, where YYYY is the year ranging from 2000 to 2099, MM is
the month ranging from 1 to 12, and DD is the day the range of which is related with the
month.
Description
Use the clock datetime command to set the current date and time of the Ethernet
switch.
In an environment that needs to obtain exact absolute time, it is required to use this
command to set the current date and time of the Ethernet switch.
Related command: display clock.
Example
# Set the current date and time of the Ethernet switch to 0:0:0 2001/01/01.
<3Com> clock datetime 0:0:0 2001/01/01
1.1.2 clock summer-time
Syntax
clock summer-time zone-name one-off start-time start-date end-time end-date
offset-time