@Clive_A we conclude this because only the controller 1 we cannot access we have other equipment and we can access all the others by ping, etc. - computer - raspberry - controller 1 - controller 2

Hello We have a TP-LINK tl-sg108s connected to a router and then is connected to - computer - raspberry - controller 1 - controller 2 We are experience problems because time to time we can have...