@ScreenNameNL Thanks for your reply. Not sure the ETA of the firmware for the Deco M9 plus. But as I know, it is on its way now. You can keep an eye on official website or Deco app to get the...

@IwanvB Thanks for your reply. Cause the internet remains working in the Deco when switch goes offline, the Deco should be working well. Instead, we need do some troubleshooting on the Cisco switch....

@TP-DW Thanks for your reply. It is indeed the simplest/easiest way to make them access each other by putting PC to the Deco directly. You can give it a go and make them work. If need more help, do...

@Petrinho Has replied to you on another thread which was mentioned by your own.

@kmiel For the signal source option, we have noted that and reminded our R&D colleagues. For the powerline backhaul, it can take effect with wireless backhaul together; cause only the wifi backhaul...

@Petrinho What do you mean that the devices avoid to connect to decos with “low wifi signal source? Could you please provide more details? Does it affect the actual performance of the Deco mesh...