Alcatel-Lucent 6850-48 Guida Di Riferimento

Chassis Management and Monitoring Commands

page 2-12

OmniSwitch CLI Reference Guide

Enables or disabled Daylight Savings Time (DST) on the switch.

system daylight savings time [{enable | disable} | start {week} {day} in {month} at {hh:mm} end {week} 
{day} in {month} at {hh:mm} [by min]]

Enables DST. The switch clock will automatically adjust for DST as 
specified by one of the default time zone or by the specifications set 
with the system daylight savings time start command.

Disables DST. The switch clock will not change for DST.

For non-default time zone, you can specify the week, day, month, and 
hour for DST to start. (You must also specify the week, day, month, and 
hour for DST to end.)

For non-default time zone, if you specify the week, day, month, and 
hour for DST to end, you must also specify the week, day, month, and 
hour for DST to end.

Indicate whether first, second, third, fourth, or last.

Indicate whether Sunday, Monday, Tuesday, Wednesday, Thursday, 
Friday, or Saturday.

Indicate whether January, February, March, April, May, June, July, 
August, September, October, November, or December.

Use two digits between 00 and 23 to indicate hour. Use two digits 
between 00 and 59 to indicate minutes. Use as for a 24 hour clock.

by min

Use two digits to indicate the number of minutes your switch clock will 
be offset for DST. The range is from 00 to 50.

• By default, DST is disabled.

• Unless a different value is set with the by syntax, the system clock will offset one hour for DST.

OmniSwitch 6400, 6850, 6855, 9000, 9000E.

• If your timezone shows a default value in the DST Start and DST End columns of the “Time Zone and 

DST Information Table” found in Chapter 2, “Managing System Files,” of the OmniSwitch AOS 
Release 6 Switch Management Guide, you do not need to set a start and end time. Your switch clock 
will automatically adjust for DST as shown in the table.