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WL0073 - 9800 WLC CleanAir (Part 1)

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The video goes in depth on ClearAir feature on Cisco 9800 WLC. We will go through configuration of Cisco CleanAir and shows how interference are detected by APs running FlexRadio Monitor Mode, and Spectrum Intelligence. We will perform spectrum analysis using Cisco Spectrum Expert on a 802.11ax AP, and use it to observe WLC reaction to interference using a wireless camera.

Part 1 of the video covers CleanAir configuration and interferer detection


  • CleanAir 2.4GHz and 5GHz
  • Persistent Interferers
  • Event Driven RRM (EDRRM)
  • FlexRadio Monitor Mode
  • Spectrum Intelligence
  • Air Quality Index (AQI)
  • Spectrum Expert
    • NSI Key
    • Spectrum Analysis

About Author

Metha Chiewanichakorn, CCIE#23585 (Ent. Infra, Sec, SP), is a Cisco networking enthusiast with years of experience in the industry. He is currently working as a consulting engineer for a Cisco partner. As a founder of and an instructor at, Metha enjoys learning and challenges himself with new technologies.