Top Receiver Countries
Top Receiver Countries report reveals geographic locations of devices receiving the most traffic for the selected interval.
Geographic information can be useful when tracking the origins of network traffic. For example, if your company has a website, you can detect the locations of the persons and businesses that are visiting your website by viewing the dashboard report.
- . Top receiver country.
- . Number of bytes transmitted. Use Report Settings
to sort by packet or flow count, or bytes. - . Average bit rate, in bits per second (bps).
- . Percentage of the total traffic for the specific item in the report category for the selected date range.
To display Flow and Packet measurements, click a column heading (
) for column selection list (
). You can also include:
- . Two letter country code.
More...
- . The total number of packets sent/received for the current city and the selected date range.
- . The average packet rate for the current city, in packets per second (pps), for the selected date range.
- . Percentage of sent/received packets for the current city.
- . The average flow rate generated for the current city, in multiples of flows per second (fps) for the selected date range.
- . Percentage of received flows for the current city.
- . Fraction of total bandwidth capacity used. "N/A" denotes the measurement cannot be calculated because the bandwidth capability is unknown for the current interface.
: To show reports in full screen with most if not all possible columns, click on report options (
) menu and choose (
).
Generate a report
. 
, 
Choose a networking device or single physical or virtual interface you want to see Top Receiver Countries measurements for. Choose traffic direction across an interface.
Use the Select Device dialog for one of the following:
Control
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Description
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Device.
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Browse and choose a networking device that is a Network Traffic Analyzer monitoring source. (For example, wireless router, router, and more)
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Network Interface.
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- Choose a single physical or virtual interface Network Traffic Analyzer you want traffic statistics for.
- Choose direction of traffic over the network interface (, , , or for invalid traffic.).
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Network. 
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Network devices known to NTA.
|
. 
Choose times for the Top Receiver Countries. (Subject to NTA collection interval and retention policies.)
Choose time constraints for your NTA data view
Date Range . Choose or define an overall window of time network activity data.
: Detail rendered in graphs depends on the time window you choose (Date Range) along with how long your system retains raw, hourly, and daily time-series data (NTA data collection and Data Retention settings). NTA graphs network activity as time-series averaged over daily intervals, hourly intervals, or over shorter periods (raw). Raw data interval is defined by the data collection interval in NTA settings.
: If you choose a time window outside of your NTA default data retention limits (8 hours for Raw and 10 days for Hourly, for example) your graph will default to an interval detail of Daily.
Detail Revealed with Default Retention Settings
Over time, the NTA collector cleans up older data. Eventually, collected data is combined into daily totals at the rates shown in the following table. If your site's mission and database capacity allow for more detailed data be retained for longer periods, increase the default retention settings in the NTA Settings dialog ( menu ).
Report Time Window Selection
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Data Interval Shown in Graph (default retention settings)
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Example
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0 – 7 hours
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Raw
- Data interval = every two minutes.
- Default data retention = 7 hours plus the current fraction of an hour (unless extended in NTA Settings).
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Top Applications observed over the last 30 minutes (raw)
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more than 8 hours within the past 9 days
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Hourly
- Data interval = every hour.
- Default data retention = 9 days plus the current fraction of a day (unless extended in NTA Settings).
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Top Senders over the last day (hourly)
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10 days or more
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Daily
Data interval = every 24 hours.
Daily is also the Archive data interval.
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Top Protocols over the last 10 days (daily)
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. Choose and hide columns, reorder columns, and apply advanced filters 
to customize your data view.
Filter and pick by column
Click a report heading () and use the "column picker" () from the drop down list.
Control
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Purpose
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Columns.
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Click a check box to display the column. Clear the check box to hide it.
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Move Column.
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Click on a column heading and drag it to reorder your table's columns.
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Advanced Filtering.
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Apply category, pattern, and keyword filtering to column data.
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. Apply chart, geo mapping (World Map), and display options in Report Settings dialog (optional).
Specify threshold and top n:
Control
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Purpose
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Show Top n Items
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Limit items to the samples with the highest values.
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Sort by Field
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Select a column to sort by (if applicable).
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Chart and view options
Control
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Purpose
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View Options
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Select/clear the checkboxes to display/hide
- Totals. Display totals for each column.
- Others. Remainder values that do not make the top n.
- Chart. Display the selected Chart Type
- Legend. Include legend and grid lines for readability, show rotation angle of map, and more.
- Trend Lines. Present data a smoothed average to show trend.
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Chart Type
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Select a chart type and associated options:
- Pie. Pie distribution chart.
- Line/Area. Scatter graph that connects adjacent measurements with straight lines.
- Spline/Area Spline. Choose a graph with a smoothed appearance where adjacent samples exhibit a gradual slope.
- Vertical Bar/Horizontal Bar. Vertical or horizontal bar chart/histogram.
- World Map. Visualize your network traffic by location using a geographic map view within the report area. For information on World Map report navigation, please see Working with NTA reports using the world map.
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Y-Axis Scale
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Scale Y-axis (chart and graph height) automatically or choose a fixed size.
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Network Traffic