@sminni Use the original cable from C6 kit to connect to the ONT modem. If the C6 WAN port still gives the message that it's unplugged use another Cat 5e/6 cable to connect to ONT modem or use...

@AIMAM A6 v2 supports OneMesh feature - check the FW release description here - Published Date: 2019-09-27

@StefanoZen Yes, for guest wireless network is the same. Since you've already tried with DECO and wi-fi repeaters and If you already bought the hardware (switches and C6 routers) then go ahead with...

@KartMan007 With your existing hardware you can have OneMesh network only with one of the routers and the RE300. The other router as AP, but not in the OneMesh network. Here's a OneMesh FAQ. The last...

@StefanoZen Actually you can use only 1 SSD for both bands on every C6 as I posted: " As for wireless SSIDs you can have only 1 by setting all C6 devices with the same SSID for both 2.4 GHz and 5 GHz...

@StefanoZen Here's the difference between router and AP mode. In your case with C6 you need to use this scenario. Thus any device connected to a specific C6 will be in the same local subnet. As for...