3Com 10014298 Perform this command in user view, By default, daylight saving time is not set

	Maintaining and Debugging the System 257
Perform this command in user view.
Table 285 Setting Daylight Saving Time
Operation	Command
Set the name and range of daylight saving	clock summer-time zone_name {
time	one-off repeating } start-time
	start-date end-time end-date
	offset-time
Remove the setting of the summer time	undo clock summer-time

By default, daylight saving time is not set.

Displaying System The following display commands are used for displaying the system state and the Information and State statistics information. For the display commands related to each protocol and

different ports, refer to the appropriate chapters.

Perform the following operations in all views.

Table 286 The Display Commands of the System

Operation	Command
Display the system clock	display clock
Display the system version	display version
Display the terminal user	display users [ all ]
Display the state of the debugging	display debugging [ interface {
	interface-name interface-type
	interface-number } ] [
	module-name ]

Debugging the System Tasks for debugging the system are described in the following sections:

■Enabling and Disabling Terminal Debugging

■Displaying Diagnostic Information

Enabling and Disabling Terminal Debugging

The Switch 7750 provides various ways for debugging most of the supported protocols and functions.

The following switches control the outputs of debugging information:

■The protocol debugging switch controls debugging output of a protocol.

■The terminal debugging switch controls debugging output on a specified user screen.

Figure 61 illustrates the relationship between two switches.