@RWA Two things you may check on the Controller Log: 1. Is there anything related to the omada switch like: "xxx port is blocked"? If so, that means there is a loop on your network, and you need to...

@bascen Old CPE firmware version does not work with new web browser anymore. On your screenshot it's a 2017 firmware. The solution is to find an old web browser like IE8, or chrome 80 and earlier...

@Avieck You may check your NVR IP address, is it still using the same IP as when it work with old router? Then go to ER7206 webinterface->Transmission->Routing->Port forwarding page, open the port...

@CristianoP On TL-SG108E, the port 1 and port 4 should be tagged, on all VLANs. On TL-SG105E, the port 1 should be tagged, on all VLANs. Other ports just need to be their correct VLAN as untag port....

@Drewww76 Yes you should change to POE+. It's not about the wifi coverage, it's about the operation life. You can't expect a device always work normal without providing it enough power.

@ThomasY Make sure you are on the tp-link US website. Sometimes the web browser will guide you to your region website, but we can force to US website manually by editing the URL