@zexoni70 Despite that AX80 has only 4 antennas it's rated as 3+ bedroom houses: 4T4R means that the router can use 4 Transmit and 4 Receive streams on a same band. For MU-MIMO go through this...

@zexoni70 AX80 will give you more bandwidth only on the 2.4 GHz band, a 2.5 gbps WAN/LAN port and two more streams (8 instead of 6 as on the AX73) according to this comparison.

@Swsh_1983 The simplest solution in your case would be a set of routers that support Easymesh in AP mode. Disable Sky router wireless radio and use the Easymesh SSID of the TP-Link routers in AP...

@Kjell_Arne From your description it seems like you have ethernet connectivity issue only with devices connected to the two switches. If a wired device is connected directly to the router then...

@SinisaR The reason for this behaviour could be the switch between MR6400 and PC0 or the PC0 itself (its firewall settings). If you can ping MR6400 from PC1, there's no reason you can't ping the PC0,...

@RobLB You probaly meant the AX90 model. The mandatory requirement to use two routers in mesh is one of them to support Easymesh. If both routers support Onemesh they can't build a mesh network -...