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Capacity SLE

SUMMARY Use the Capacity SLE to track user experiences with RF channel capacity (bandwidth) on your wireless network.

Capacity is one of the wireless Service-Level Expectations (SLEs) that you can track on the Wireless SLEs dashboard. Understand what's measured by this SLE and what issues can contribute to a low SLE.

Capacity SLE Example

To find the Wireless SLEs dashboard, select Monitor > Service Levels from the left menu of the Juniper Mist™ portal, and then select the Wireless button.

What Does the Capacity SLE Measure?

Juniper Mist monitors the percentage of the total RF channel capacity that is available to clients.

You can click the Settings button to set the success threshold for this SLE. For example, you might want 20 percent of the RF channel capacity (bandwidth) to be available to clients at any time.

Setting the Threshold for the Wireless Capacity SLE


When the capacity threshold is not met, Juniper Mist sorts the issues into classifiers. The classifiers appear on the right side of the SLE block. In this example, 99 percent of issues were attributted to Wi-Fi interference. The remaining issues were due to Non WiFi Interference and Client Usage. (See the classifier descriptions below the example.)

Capacity SLE Example
  • Non-Wi-Fi interference—Low capacity is due to non-wireless interference.

  • Client Usage—Low capacity is due to a high client load.

  • Wi-Fi interference—Low capacity is due to wireless interference.

  • Client Count—Low capacity is due to a high number of attached clients.