@Obrenner I have no idea.

@desperado Did you get any readings on the backup WAN before you have this issue? I have some different opinions with you. From my point of view, failover means primary WAN is linked up, and backup...

@HA4g3n It does have a newer version V5.0.5 released last month for EU version. If your device is EU version, you can go to TP-Link global website to download it and upgrade it....

@Obrenner There is a compatibility list. EAP660 has a plan to support mesh in next firmware. https://www.tp-link.com/en/omada-mesh/product-list/#omada-acces-points

@M.fouad First, you need to create an IP group for those devices that will need to access the bank websites. (PS: you may need to give those devices static IP, otherwise, the policy routing won't...

@M.fouad If you only have certain fixed devices that need to access those websites, you may try policy routing. Direct all traffic from those devices to one of the WAN connections. But I don't think...