Filtering nodes and links by time of communication

You can configure filtering of nodes and links to display only the ones that communicated during the specified time period.

You can select the filtering period by using the time scale displayed in the lower part of the Network map section. The following elements are displayed on the time scale:

• Time scale start date and time.
• Periods when events with the Critical and Warning severity levels were registered. These periods are displayed as red strips in the lower part of the time scale. The periods are not displayed if a duration of more than seven days is defined for the time scale.
• Filtering period. This period is displayed as a yellow band lined with buttons for moving the boundaries.
• Chart of the volume of traffic processed by the application. The chart is not displayed if a duration of more than seven days is defined for the time scale.
• End of the time scale. Depending on the arrangement of the filtering period, the end of the time scale is displayed as a date and time (if the date and time are defined) or as a Now link.

The following types of filtering periods are provided:

• Period correlated to the current moment. The right-side boundary of this period corresponds to the end of the time scale.
• Period not correlated to the current moment. This type of period may be arranged in any part of the time scale.

To configure object filtering by period correlated to the current moment:

1. Click the Now button on the right of the time scale.

   You can also use the mouse to move the period to the right part of the time scale.

2. If it is necessary to specify a different period duration, perform one of the following actions:
   • Move the left border of the yellow band of the period to the necessary position (the maximum duration of the period is 7 days).
   • Open the window for selecting the period duration by using the button showing the current period duration above the yellow band of the period, select the relevant option (Hour, Day, 7 days), and click OK.

The network map shows only those nodes and links for which communications were detected since the beginning of the specified period up to the current moment.

To configure filtering by a period not correlated to the current moment:

1. If the necessary period is not within the time scale, change the values of the date and time for the start and/or end of the time scale.
   1. To change the data and time of the start of the time scale, open the window by clicking the link in the left part of the time scale and select one of the following options:
      • Day
      • 7 days
      • Month
      • Specify a date. For this option, specify a date and time in the opened field.
   2. To change the date and time of the end of the time scale, open the window by clicking the link in the right part of the time scale and select one of the following options:
      • Now
      • Specify a date. For this option, specify a date and time in the opened field.
2. Specify the relevant period. To do so, perform one of the following actions:
   • Move one or both of the borders of the yellow band of the period to the necessary part of the time scale (the maximum duration of the period is 7 days).
   • Open the window for selecting the period duration by using the graphical element above the yellow band of the period, select the relevant option (Hour, Day, 7 days), and click OK.

   You can also use the mouse to move the period to the relevant place on the time scale.

The network map shows only those nodes and links for which communications were detected during the currently defined period.

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