HP 6125XLG R2306-HP 6125XLG Blade Switch ACL and QoS Configuration Guide - Page 91

Configuring time ranges, Configuration procedure, Displaying and maintaining time ranges

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Configuring time ranges You can implement a service based on the time of the day by apply a time range to it. A time-based service only takes effect in any time periods specified by the time range. For example, you can implement time-based ACL rules by applying a time range to them. If a time range does not exist, the service based on the time range does not take effect. The following basic types of time range are available: • Periodic time range-Recurs periodically on a day or days of the week. • Absolute time range-Represents only a period of time and does not recur. A time range is uniquely identified by the time range name. You can create a maximum of 1024 time ranges, each with a maximum of 32 periodic statements and 12 absolute statements. The active period of a time range is calculated as follows: 1. Combining all periodic statements 2. Combining all absolute statements 3. Taking the intersection of the two statement sets as the active period of the time range Configuration procedure To configure a time range: Step 1. Enter system view. 2. Create or edit a time range. Command Remarks system-view N/A time-range time-range-name { start-time to end-time days [ from time1 date1 ] [ to time2 date2 ] | from time1 date1 [ to time2 date2 ] | to time2 date2 } No time range exists. Displaying and maintaining time ranges Execute the display command in any view. Task Display time range configuration and status Command display time-range { time-range-name | all } Time range configuration example Network requirements As shown in Figure 25, configure an ACL on Device A to allow Host A to access the server only during 8:00 and 18:00 on working days from June 2011 to the end of the year. 85

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85
Configuring time ranges
You can implement a service based on the time of the day by apply a time range to it. A time-based
service only takes effect in any time periods specified by the time range. For example, you can implement
time-based ACL rules by applying a time range to them. If a time range does not exist, the service based
on the time range does not take effect.
The following basic types of time range are available:
•
Periodic time range
—Recurs periodically on a day or days of the week.
•
Absolute time range
—Represents only a period of time and does not recur.
A time range is uniquely identified by the time range name. You can create a maximum of 1024 time
ranges, each with a maximum of 32 periodic statements and 12 absolute statements. The active period
of a time range is calculated as follows:
1.
Combining all periodic statements
2.
Combining all absolute statements
3.
Taking the intersection of the two statement sets as the active period of the time range
Configuration procedure
To configure a time range:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Create or edit a time
range.
time-range
time-range-name
{
start-time
to
end-time
days
[
from
time1 date1
] [
to
time2 date2
] |
from
time1 date1
[
to
time2 date2
] |
to
time2 date2
}
No time range exists.
Displaying and maintaining time ranges
Execute the
display
command in any view.
Task
Command
Display time range configuration and status
display
time-range
{
time-range-name
|
all
}
Time range configuration example
Network requirements
As shown in
Figure 25
, configure an ACL on Device A to allow Host A to access the server only during
8:00 and 18:00 on working days from June 2011 to the end of the year.