@Jav80 Try replace the Ethernet cables. Make sure you are using Cat5e or higher level. Also please connect EAP245 5Ghz wifi network. Some devices may not able to get high speed with 2.4Ghz wifi.

Hi @YMKapare 1. Please check the WAN settings-->bandwidth. The router will prefer to use the faster WAN according to the "bandwidth" number you put in; 2. Please make sure Load Balance is Enable; 3,...

Hi @Mark_TSB Could you please tell us why you need to disable NAT of the router? You can use a switch to replace the router if you don't want NAT. But I don't think it is the thing you really...

Hi @Kaius Please try reset the switch. The router could be reset somehow so it does not match the switch settings anymore. Reset the switch and then adopt Router and switch again on the controller...

Hi all You may also try replace the Ethernet cable between the PoE injector and the CPE. Some engineers said it sounds like a power supply issue.

It works for me but I'm using a L2TP Client to LAN connection. If you are using LAN-to-LAN you may try change the connection type