@HelpFixDecoApp Thanks, I confirmed that device isolation is turned off.

@Solla-topee I'm not sure where to find the device isolation option, but I have not set this on any devices as far as I know. 1. All wired devices are connected to the main unit and appear to have no...

@Solla-topee What I mean is that when the Internet connection is lost and the Deco goes into autosensing mode, wired devices can communicate with each other on the network, but wired devices cannot...

@HelpFixDecoApp That's okay, thank you for the help. It seems unlikely that TP Link will upgrade the firmware for my model as it's pretty old and this issue has been known for several years. So I...

@HelpFixDecoApp My firmware is 1.2.5 Build 20240723 Rel. 43655 This is the latest version. The option you have mentioned does not exist in my app.

@HelpFixDecoApp I think it's unusual for a router to require an Internet connection in order to be configured. After all, if you cannot configure the router without an Internet connection, it may be...