FortiAP wifi performance issue

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Hi Guys,

One of our company office Wifi users are facing slowness and low performance of Wifi. We are using Fortigate 100D as a controller for FortiAP's(221C). No mesh topology. in total 4-5 AP's are there. there us no difference in any AP config or firmware. 

As of now I ran hrping and other ping plotter tool to see packet drop.

- in hrping I don't see any packet drop in hrping result to local gateway/firewall/ wifi controller.

- in Hrping results for internet google dns I see few packets drops randomly and high ms around 50, 200, 300,  upto 500.

- In Ping plotter  I see latency  of avg 40 ms to local gateway/ firewall/ controller.

- In Ping plotter I see latency of avg 60ms to google dns.

what do you think about above results. Is it normal?

- what are the other possible best quick way to find out  wifi performance issue or to find out any  rouge AP any pointer please

thanks

A

[Sumanth_FTNT · Accepted solution]

Please check the RSSI value of the clients connected, How many clients are serviced by the AP & what is the rate at which clients are connected to AP. Is there any interference in the operating channels, If the clients are connected to 2.4G or 5G?