1. .From the menu bar, choose Performance > Switch > Traffic.
You see the Switch Traffic and Errors panel. This panel displays the traffic on that device for the past 24 hours.
2. You can use the drop-down to filter the view by 24 hours, Week, Month and Year.
3. To export the data into a spreadsheet, click the Export to Excel icon in the upper-right corner and then click Save
4. Click the switch name to view the Switch Dashboard.
Note If the performance tables do not contain any data, see the Performance Manager Collections section to turn on performance data collection.