@syn3rgy No need to change the AggrLinkRate value. If you mean if my issues with the wifi backhaul have been solved after permanently disabling it. Then the answer is yes.

@robschwieb Did disabling wifi backhaul solve your issue? I'm asking just for my curiosity :)

@robschwieb You are welcome. I hope i helped.

@robschwieb It was given to me by TP-Link (support.uk@tp-link.com) The exact firmware version is 1.0.2 Build 20200115

@robschwieb You have to telnet on each of your Deco units (port 23, no username or password is needed) edit /etc/config/WiFi locate config backhaul 'backhaul' , change the "option enable" value from...

@Andy_Ho @Tppp I was also facing issues with Deco P9, and it seems that all issues have to do with the WiFi backhaul. I was able to solve my issue by disabling the WiFi backhaul. Check my post below....