This article describes how to identify and fix the cause of a high channel utilization being reported on FortiAP (Managed by FortiGate).
Scope
FortiGate, FortiAP-U, FortiAP-W2
Solution
Identify the device causing interference and take the necessary action, such as removing the device from the RF environment.
Follow the steps below to check the spectrum usage on FortiGate (FortiAPs Managed by FortiGate):
Step 1: Log in to the FortiGate GUI.
Step 2: Select Wifi and Switch Controller.
Step 3: Select Managed FortiAPs.
Step 4: Double-click on the specific device which is reporting high channel utilization.
Step 5: Select Diagnostics and Tools under Additional Information.
Step 6: Under Spectrum Analysis, select the 2.4Ghz or 5Ghz band, then select Channels and start.
Step 7: Under Detected interference, check the type of interference detected, the Frequency, and the Last detected time.
Alex Lim
Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook
