> # Viewing Performance Information on Host Ports

> You can view the performance of devices connected to the host ports

> 1. From the menu bar, choose Performance > End Devices > Host Ports.

> You see the Host Ports Traffic and Errors window.

> 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 chart icon in the Name column to see
> 5. A graph of the traffic on that device according to the selected timeline.
> 6. Use the chart icons to view the traffic chart in varied views. 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. You can also use the icons to Append, Predict and Interpolate Data.

> 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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