@tom.hilgerink Hi, could you please provide me more details about how the Deco M9 plus failed to work with Shelly devices, like unstable connection, or unable to connect the shelly with Deco M9 plus?...

@YB_HATING Hi, I just tested the Archer VR2100 on my side Archer VR2100 supports Tether APP on both wireless router mode and DSL modem router mode; And are you connected to the Wi-Fi of the VR2100...

@sandeep3991 Hi, Directly unplugging it and switching the Deco would be fine.

@a-floor Thank you very much. And could you please provide me a picture of your network topology as well? --If there is any network switch, please also write down the model number; Thank you very...

@sandeep3991 In this way, Could you please change a new Ethernet cable to have a look? And if possible, please switch the location of the two satellite Deco units to see whether the previous 3rd Deco...

@sandeep3991 Hi, may I know is there any network switch in between? such as: ISP---main Deco M4 ---first floor \switch--2nd Deco M4 ) ) (( 3rd Deco M4 ---below floor Would removing the switch and...