@baselnama Are you testing with the main Deco? When testing, how do you connect to the main router? Via wifi?

@rs2112ss Did you try installing the X20 in the garage, or as the satellite closest to the garage? You did not describe your setup, and it is perhaps optimal to install the X20 where you require the...

@rs2112ss Are you using the PowerLine feature of the P7? You mentioned P9 in the discussion. Do you have a mix of P7 and P9? When the "oldmain" P7 is in the same room as another satellite P7, how...

@TheLaughingCow Did you try disabling the "mesh technology" option for the problematic devices?

@Overcat I assumed you had done done already, to obtain the "Client IP address" you mentioned in your initial post.

@Overcat Does it work when you specify an internal port?