Types of Services
Types of Services report reveals a ranked list of traffic organized by Type of Service (ToS) for the current interval. Some routers use ToS to prioritize traffic flow. For instance, VoIP data may be given a higher ToS than general network use to ensure the timeliness of voice quality over the IP connection.
: You can add friendly labels to Code Point Identifiers using the Type of Service Library.
- . Type of Service (ToS) using differentiated services code point (DSCP) labeling.
- . Number of bytes transferred. ( option on the Report Settings
dialog ranks the list by number of Packets or Flows instead of bytes.) - . Average bit rate.
- . Service type percentage of the total traffic.
To display Flow and Packet measurements, click a column heading for column selection list (_). You can also include:
- .Differentiated Services Code Point identifier as defined by the IETF in RFC2474.
- . Fraction of total bandwidth capacity used. "N/A" denotes the measurement cannot be calculated because the bandwidth capability is unknown for the current interface.
: For this report, Network Traffic Analyzer defines ToS as the first 6 bits of a Type of Service (ToS) byte, or the Differentiated Services Code Point (DSCP).
Generate a report
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Choose a networking device or single physical or virtual interface you want to see Types of Services 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 Types of Services.
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 Types of Services report data can be visualized, shared, and reused: