I currently have a TT opened at TAC but so far they couldn't see anything with the log info they requested and I provided. I'm currently waiting it to happen again then I'll call them to let them take a look at it while it's happening. I just wanted to know if somebody already knew what could be happening. I read another thread [https://forum.fortinet.co...m=137825&tree=true] but mine seems to be different.
The symptom is wifi connection suddenly starts slowing down or almost locking up and everybody (about 15 devices most of the time) in our office experiencing the same. LAN connection works fine and from the FWF60D pinging toward the internet is fine. Pinging over wifi between a device and the FWF shows only occasional responses. I sniffed it at FWF and saw the same. I also checked WiFi enviroment and our SSID on the same channel is highest and the next highest is about 6-12db lower all the time
around this small office space. Then every time I shut the wifi interface down then unshut it, it recovers its normal operation. I upgraded from 5.2.3 to 5.2.7 but this still happens a couple times a week so far.