> # Viewing Performance Information for NPV Links

> 1. From the menu bar, choose Performance > NPV Links

> You see the NPV Link and Traffic Errors window. This window displays the NPV links for the selected scope.

> 2. You can use the drop-down to filter the view by 24 hours, Week, Month and Year.
> 3. Click the chart icon in the Name column to see a list of the traffic for the past 24 hours.

> There are variations to this procedure. In addition to these basic steps, you can also perform the following steps to view detailed information for NPV links:

> - You can change the time range for this information by selecting from the drop-down list in the upper-right corner.
> - To view the detailed information for a specific period, drag the slider control to choose the time interval for which you need the information.
> - Use the chart icons to view the traffic chart in varied views. You can also use the icons to Append, Predict and Interpolate Data.
> - To export the data into a spreadsheet, click the Export to Excel icon in the upper-right corner and then click Save.
> - To view real-time information, choose Real Time from the drop-down list in the upper right corner. The real-time data is updated in every 10 seconds.

> Note If the performance tables do not contain any data, see the Performance Manager Collections section to turn on performance data collection.

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