## N3K Buffer Usage

You can view the performance of the N3K buffer usage and the total number of bursts during a specific time.

1. From the menu bar, choose Performance > N3K Buffer Usage

You see the N3K Buffer Usage window which displays the average number of burst per hour, maximum number of burst per hour and the total number of burst per hour.

2. To export the data into a spreadsheet, click the Export to Excel icon in the upper-right corner and then click Save.

3. Click the chart icon in the Name column to see:

• A bar chart of the hourly based burst number for the selected interface.

• Clicking each item in the bar chart will open a detailed buffer burst window for the selected hour.

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