@ArunP Since you already have a router (Archer C4000), use the E4s in access point mode. You should get at least 200-250 mbps on Wifi (make sure 5 Ghz is turned on). The M4 will probably not be...

@Raddd Yes, Deco "Mesh" routers do not use a typical "mesh" network. But keep in mind that: Internet speed always get halved coming from the main deco to a satellite deco. The workaround is to use...

@CoreAI I've chosen DHCPv6, but I'm not facing the "devices disconnecting" issue. Also, googling about the "assigned types" revealed that DHCPv6 is more secure than SLAAC.

@deco4userFIN Deco M4 V4 already supports it, and other hardware versions of M4 will probably support it with 1.6.0 firmware update.

@MichaelD1 FYI, this how you can find the hardware version: How to find the hardware version on a TP-Link device

@djlimlee The address for the web UI is 192.168.68.1