@Nick_F Good troubleshooting job. Thanks for the comprehensive feedback.

@PCH Normally, if the remote management is not enabled in the Administration page, you shouldn't be able to access the router WebGUI through your public IP address. I would contact the local tech...

@Goofus I would recommend TL-SG1005P (an unmanaged PnP switch) connected on its port 5 with the er7212p WAN port. I would advise you aso to set zlt x17 in bridge (modem-only) mode (if that's...

@Goofus According to its data specifications ZLT X17 power consumption is less than 18W (DC 12V/1.5A or PoE), Power budget of TL-POE50S is 15.4W (Max. 48VDC), so ZLT X17 operates at the limit of its...

@Nick_F That's a good idea - testing the setup with the TP-Link switch excluded. Thus, you'll going to determine whether the issue is caused by the switch itself or the unifi APs. Let us know the...

@EricaDalton The TL-SG108E is actually an easy-samrt switch providing WebGUI for configuring the switch features - details. The default username / password for the TL-SG108E WebGUI is admin / admin....