Managing System Files

Setting the System Clock

 

 

 

 

Daylight Savings Time Configuration

The switch can be set to automatically change the system clock to adjust for Daylight Savings Time (DST). There are two situations that apply depending on the time zone selected for your switch.

If the time zone set for your switch shows DST parameters in the table on page 2-38, you need only enable DST on your switch by using the following command:

-> system daylight savings time enable

If the time zone set for your switch does not show DST parameters in the table on page 2-38, you must specify the start, end, and change parameters for DST using the system daylight savings time command. The following information is needed to specify DST:

•The day of the week and month of the year when DST will begin.

•The position of that day in the month (e.g., first, second, third, fourth, or last Sunday of the month).

•The hour and minute of the day at which DST will begin.

•The day of the week and month of the year when DST will end.

•The position of that day in the month (e.g., first, second, third, fourth, or last Sunday of the month).

•The hour and minute of the day at which DST will end.

•The number of hours the switch clock will be offset for DST (one hour in most cases).

To set the switch DST parameters so that the clock will move back one hour on the fourth Sunday of September at 11:00 p.m. and move forward on the fourth Sunday of March at 11:00 a.m., the following command should be used:

-> system daylight savings time start fourth sun in Sept at 23:00 end fourth sun in march at 11:00 by 1

For more details on syntax for this command, please refer to the OmniSwitch CLI Reference Guide. You can also use the question mark (?) character in the command syntax to invoke the CLI’s help feature as described in “Using the CLI” chapter of this manual.

Note. By default, Daylight Savings Time is disabled.

OmniSwitch 6600 Family Switch Management Guide March 2005

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Alcatel Carrier Internetworking Solutions omniswitch manual Daylight Savings Time Configuration
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omniswitch specifications

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