Top Interfaces by Utilization
Top Interfaces by Utilization report reveals a ranked list of network interfaces showing the highest percentages of capacity utilization for the selected interval.
- . Device hostname, IP address, or custom label.
- . Number of bytes received. ( option on the Report Settings
dialog ranks the list by number of Packets or Flows instead of Bytes.) - . Total average rate of inbound traffic.
- . Fraction of total bandwidth capacity used. "N/A" denotes the measurement cannot be calculated because the bandwidth capability is unknown for the current interface.
- . Number of bytes transmitted from the interface.
- . Total average rate of outbound traffic.
- . Fraction of bandwidth capacity used.
To display Flow and Packet measurements, click a column heading for column selection list (_). You can also include:
More
- . Name or IP address of origin host device.
- . Textual name of the interface (ifName).
- Network interface SNMP table identifier (ifIndex).
- . Percentage of the total traffic.
- . Average packet rate.
- . Percent of packets for this category.
- . Total number of flow messages.
- . Rate at which WhatsUp Gold receives measurements observed at the device.
- . Percentage of total measurement for samples received.
- . Percentage of interface usage needed for incoming traffic.
- Percentage of interface usage needed for outgoing traffic.
Generate a report
. 
, 
Choose a networking device or single physical or virtual interface you want to see Top Interfaces by Utilization 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.
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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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Choose times for the Top Interfaces by Utilization.
Choose time constraints for data view
Control
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Purpose
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Date Range 
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Choose or define an overall date range.
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Business hours
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- Focus on specific days of the week and periods within each day.
- Reveal trends that are sensitive to business hours, time zones, and other periodic attributes in the observed data.
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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 headi 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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. Fine tune report presentation and range of values displayed using the 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.
- 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.
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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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Print, share, and export
Generated Top Interfaces by Utilization report data can be visualized, shared, and reused:
Print grid and chart views.
Share Top Interfaces by Utilization reports with other users in a single or combined view.
Export Top Interfaces by Utilization data and leverage outside of WhatsUp Gold.