@terziyski Your description will not solve the issue: if I keep acess control disabled, the rules will not be effective (any device will be able to access any other) - if I enable access control, I...

I would like to use one of my tl-wr-841 (v10/v14) in the following way: All connected Devices should be connected to Internet vi wlan (wisp Mode ?) with my telephone companies router (main router): -...