@nyonyo Start with this document: General questions about Ethernet Backhaul feature on your Deco

@alanginn It is possible to use powerline adapters, I tested that with my Satellite Deco M5. Not every brand of powerline adapters is compatible with Deco mesh. I would recommend TP-Link brand and...

@macroth72 The answer is: not yet, for Deco X50. TP-Link gradually releases firmware for different Deco models with that feature. If you like Deco X50, consider replacing it with similar Deco X55,...

@andocen I tested that with similar setup as yours, two years ago. Acess Point mode, Deco M5, two Satellite M5s wired to the switch and one Satellite connected wirelessly. When I powered off Main...

@kayum91 There is another way to get rid of double NAT in your setup, you can try it. Keep Huawei router in its default router mode and switch Deco mesh to Access Point mode. See How to set up Deco...

@kayum91 If you have applications (VPN usually) or devices (XBox as an example) that do not like double NAT, they should have alerted you by now. If you haven't seen such alerts, it is OK to keep...