> # Viewing Performance Information for Ethernet Ports

> 1. From the menu bar, choose Performance > Ethernet.

> You see the Ethernet Traffic and Errors window.

> 2. You can use the drop-down to filter the view by 24 hours, Week, Month and Year.

> There are variations to this procedure. In addition to these basic steps, you can also perform the following steps:

> - Select the time range, and click Filter to filter the display.
> - Select the name of an Ethernet port from the Name column to see a graph of the traffic across that Ethernet port for the past 24 hours. You can change the time range for this graph by selecting it from the drop-down list in the upper-right corner. To view real-time information, choose Real Time from the drop-down list in the upper-right corner.
> - To export the data into a spreadsheet, click the Export to Excel icon in the upper-right corner and then click Save
> - Use the chart icons to view the traffic chart in varied views.You can also use the icons to Append, Predict and Interpolate Data.
> - For the Rx/Tx calculation, see the Rx/Tx Calculation section.

> 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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