@mkkob When talking about AX5400, what is the exact model of it, is it Archer AX73 or AX72 or AX75? I guess all of them already support Multiple SSIDs. We take Archer AX75 for example, 2 for the 5GHz...

@Wkheston Is the Xfinity wifi a 2.4G or 5G network? Can you connect to it on your phone or laptop directly? What is the firmware version of your WR902AC? Please check my original post in the thread...

@KennyMcCormick That's great to know the internet issue gets resolved by disabling IPv6 on the router, great finding. If your ISP doesn't provide an IPv6 connection, leave it disabled on the router....

@Shedlly Please try enabling the Remote Management on the C3150 as follows, then check again if you can access it from the iPhone or Windows 10: How to set up Remote Management on the Wi-Fi Routers...

@Gentaro Thank you very much for getting back with the detailed info. Do you mean if you switch the AX20 to router mode, the IPv6 works fine without changing anything additional settings on the AX20?...

@Paul_007 Hi, I found you have already opened another thread below, please check my reply: https://community.tp-link.com/us/home/forum/topic/543156 Please don't create duplicate topics to report or...