It is a good idea to schedule reports to be run at non-peak traffic hours since generation of reports is a resource hungry process especially for large interface numbers.
An easy scheduling option is available in NetFlow Analyzer for any particular interface while drilling down. Click on the "Actions" tab on the top right and from the dropdown options click on "Add Schedule". You can give a schedule name, description and other scheduling options as per your requirement.
A Scheduler is configured to set the parameters for automating the generation of reports. The parameters to be set for creating a Scheduler are:
Netflow Analyzer calculates the bandwidth utilization on the specified interfaces / IP Groups every minute. Based on the schedule opted for, reports are generated at various time intrevals.The Schedule Reports feature lets you Create new Schedules and Delete existing ones. The Scheduler List page lists all existing schedules , along with the Schedule details,Status, Report types,and the Last Report Generated time.
The various columns displayed in the Scheduler List page are described in the table below:
|Name||The name of the Schedule when it was created. Click on the Schedule's name to see more information about the schedule's configuration|
Information on when the schedule will run
|Status||By default all schedules are Enabled, which means they are active. Click the icon to disable a schedule. When this is done, reports will no longer be generated for that configuration. Click the icon to enable the schedule again|
|Report Type||Whether it is a consolidated report are user-defined Custom report|
|Last Report Time||This column lists the last time when this schedule was run and a report created|
|Generated Reports||By clicking on View Reports it is possible to view all the previous reports that have been generated. The number of reports that are stored is based on the user definition in the Schedule Setting page. (By enabling the item "Enable older reports to be accessed from UI" it is possible to retrieve even older reports.) For Daily Schedule up to 90 reports can be stored. For Weekly Schedule up to 104 reports can be stored. For Monthly Schedule up to 60 reports can be stored.|
You can create new schedules or delete existing ones from the Schedule List page.
The "Schedule settings" tab on the right lets you define settings needed for the schedule reports. The settings are:
You can also enable the option to access older reports from the UI.
The steps to configure a Schedule are:
|Scheduler Name||Enter a unique name to identify this scheduler.|
Enter descriptive information for this scheduler profile to help other operators understand why it was created.
By default all managed interfaces sending NetFlow exports are selected. If you want this schedule configuration to apply to certain interfaces only, click the Modify Selection link. In the pop-up window, select the required devices and interfaces and click Update to save your changes.
By default all IP Groups are selected. If you want this schedule configuration to apply to certain IP Groups only, click the Modify Selection link. In the pop-up window, select the required devices and IP Groups and click Update to save your changes.
Select whether the reports that need to be generated from the srop-down. It consists of consolidated, traffic, source, NBAR, custom, QoS reports or many more available options.
|Schedule Report Generation||Select the report generation frequency as one from : Daily, Weekly, Monthly and Only Once. Depending on this the report will be generated at the appropriate time intervals.|
|Email Address to Send Reports||Enter the email address to which the generated reports have to be emailed. You can enter multiple email addresses separated by a comma.|
Custom Report :
Opting for custom report lets you set criteria on the basis of which the report will be generated. By clicking on the "Add Criteria" button one can set a matching condition on "Source Address, Source Network, Source Nodes, Destination Address, Destination Network, Destination Nodes and Application". To add more criteria click on "Add Criteria" again. Having created all the criterions you can decide whether to make the generated report to match all of the criterions created or any of them.
Scheduling Report Generation
The report generation schedule can be chosen from one of the following:
When you opt for the last 24 hours then the report is generated for the flow in the intervening 24 hours (from the time at which the report is to be generated today). The 30 most recent reports for this schedule can be accessible from the Schedule List page
When you choose the Exclude Weekend option with "Previous day", reports will be generated on Tuesday, Wednesday, Thursday, Friday and Saturday. These will be reports pertaining to Monday, Tuesday, Wednesday, Thursday and Friday respectively.
When you choose the Exclude Weekend option with "Last 24 hours", reports will be generated on Monday, Tuesday, Wednesday, Thursday and Friday.
The previous week option would generate the report for the time period Sunday 00:00 hours till Saturday 23:59 hours. When"Exclude Weekends" is enabled the report will be generated for the time period Monday 00:00 hours till Friday 23:59 hours.
The"Last 7 Days" option would generate the report for the last 7 days from the time at which the report is to be generated. Again, the exclude weekend option would generate for the last 7 days with the data for the weekend (saturday,sunday) excluded. For instance if the report is to be generated at Monday 10:00 am, with the rules set as "last 7 days" and "Exclude weekend" enabled, then the report will be generated for the time period last week's Monday 10:00 hours to Friday 23:59 hours and from this week Monday's 00:00 hours till 10:00 hours. The 52 most recent reports for this schedule can be accessible from the Schedule List page
When "Previous Month" option is enabled and the report generation date is set to 5-th of every month at 10:00 hours, then the report will be generated for the whole of last month ( first to the last day of the month). When "Exclude weekend" option is enabled then the generated report will exclude all the intervening weekends (saturday & sunday).
When "Last 30 Days" option is enabled and the report generation date is set to 5-th of every month at 10:00 hours, then the report will be generated from last month's 5-th 10:00 hours till this month 5-th's 10:00 hours. When"Exclude Weekend" option is enabled then the generated report will exclude all the intervening weekends(saturday & sunday). The 12 most recent reports for this schedule can be accessible from the Schedule List page.
Customizing from address:
You can customize the "From Address" from the mail server settings in settings.
A note on emailed reports:
A report is generated for each interface / IP Group - 50 such reports are zipped in a single email and mailed. In case of more than 50 interface/ IP Groups selected the report will be sent in multiple emails. The last generated reports for all schedules will be under the folder NetFlow -> Reports.
Select a schedule from the Schedule List and click on Delete to delete the schedule. Once a schedule is deleted no longer reports are generated at the stipulated intervals. Deleting a schedule also deletes the corresponding folder.
In addition, there is the Schedule Settings link in the Schedule List Page. This link lets you set parameters that could be applied across all the generated reports. The parameters include:
Once the schedule settings have been configured, click on the "Save" button to apply this settings from hereon. Also click on "Close" button to close the window and proceed to the Schedule List page.