@MStella Check it with your ISP, make sure they provide higher upload speed. I don't have 7212PC but 50Mbps uplaod speed seems like a limitation from ISP.

@MartinDLR Check think thread: https://community.tp-link.com/en/business/forum/topic/269886

@SailorRaccoon I don't know if Pharos CPE can do portal. I have EAP225-outdoor and it works pretty good, and I can set up Portal via omada controller very easy. However EAP may not suitable for you....

@ToWi Go to Controller Settings->Cloud Access, here disable cloud service then enable it again

@AntonCS ER605 can't forward public IP to client devices. There are two solutions: 1. Connect your client devices to the main modem directly; 2. Do one-to-one NAT. The devices still get local IP but...

@italy-user For the 3rd issue, you may check the wireless channel of your CPE510, could that be DFS channels? Brief introduction of DFS function