@ThePour In a double NAT scenario like yours the NAS would be visible only to devices connected to Deco network. Despite that you could still port-forward services that are configured on the NAS on...

@MakisFil All three models would do the job for you. You should keep in mind that first two (RE315, RE450) are dual-band extenders and TL-WA860RE is a single-band (2.4 GHz only). From these three I...

@MakisFil There are no outdoor extender/repeaters in the TP-Link portfolio. Apart from that you could use any of the TP-Link extenders available on the market.

@AABE For this purpose you'll need a whitelist by MAC address feature. Since this is a new feature for Deco you'll have to wait that to be implemented in your Deco model - details. Meanwhile you can...

@Manuel6 You have to copy the whole line including the replyId=1308020 - that's a whole line or just click here.

@dmmm05 The problem is that you can't pull any additional debugging information from Deco. You can check this post related to Deco online status detection. Apart from that changing your main router's...