Qtech QSW-8200-28T-AC-DC [19/20] Chapter 4 commands for summer time

User Manual

Chapter 4. Commands for Summer Time 19

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Chapter 4 COMMANDS FOR SUMMER TIME

4.1 clock summer-time absolute

 Command: clock summer-time <word> absolute <HH:MM> <YYYY.MM.DD>

<HH:MM> <YYYY.MM.DD> [<offset>]

 no clock summer-time

 Function: Configure summer time range, the time in this range is summer time. The no

command deletes the configuration.

 Parameter: <word> is the time zone name of summer time; <HH:MM> is the start time,

the format is hour (from 0 to 23):minute (from 0 to 59); <YYYY.MM.DD> is the start

date, the format is year (from 1970 to 2038).month (from 1 to 12).date (from 1 to 31);

<HH:MM> is the end time, the format is hour (from 0 to 23):minute (from 0 to 59);

<YYYY.MM.DD> is the end date, the format is year (from 1970 to 2038).month (from 1

to 12).date (from 1 to 31); <offset> is the time offset, the range from 1 to 1440, unit is

minute, default value is 60 minutes.

 Default: There is no summer time range.

 Command Mode: Global Mode

 Usage Guide: This command sets the absolute start and end time for summer time.

When the system time reaches to the start time point of summer time, the clock is

changed and increase <offset> value, the system enters summer time. When the

system time reaches to the end time point of summer time, the clock is changed again,

subtract <offset> value from system time, the system finishes summer time. Note: the

end time should be bigger than the start time for configuring summer time.

 Example: Configure the time range of summer time at 12:10 from april 6th to augest

6th in 2010, offset value as 70 minutes, summer time is named as aaa.

 Switch(config)#clock summer-time aaa absolute 12:10 2010.4.6 12:10 2010.8.6 70

4.2 clock summer-time recurring

 Command: clock summer-time <word> recurring <HH:MM> <MM.DD> <HH:MM>

<MM.DD> [<offset>]

 no clock summer-time

 Function: Configure the recurrent summer time range, the time in this range is summer

time.

 Parameter: <word> is the time zone name of summer time; <HH:MM> is the start time,

the format is hour (from 0 to 23):minute (from 0 to 59); <MM.DD> is the start date, the

format is month(from 1 to 12).date(from 1 to 31); <HH:MM> is the end time, the

format is hour(from 0 to 23):minute(from 0 to 59); <MM.DD> is the end date, the

format is month(from 1 to 12).date(from 1 to 31); <offset> is the time offset, the range

from 1 to 1440, unit is minute, default value is 60 minutes.

 Default: There is no summer time range.

 Command Mode: Global Mode