Interface Discards
Interface Discards report reveals top interfaces with packet discards for inbound and outbound data. Discards typically occur when interfaces are under a high traffic load. An interface showing high discard counts under normal traffic load is an indicator of hardware issues.
- . Device hostname, IP address, or custom label.
- . Displays a short description of the interface.
- . Count of outbound (transmit channel) discarded.
- . Count of received packets discarded.
- . Packet discard count for each interface.
Generate a report
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Choose a networking device or single physical or virtual interface you want to see Interface Discards 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 Interface Discards.
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 Interface Discards report data can be visualized, shared, and reused:
Choose source. 
Print grid and chart views.
Share Interface Discards reports with other users in a single or combined view.
Export Interface Discards data and leverage outside of WhatsUp Gold.