@Karsten12 It looks very much like the NVR is temporarily stuck, based on all these devices are working properly, have you tried rebooting the NVR? Maybe reboot the device and try it.

@pot03005 In the case of mine, it's a small hole near the Ethernet port on bottom of the EAP itself, you may have to take the back cover off to see it. Note that there is also one above the POE...

@Amord As for the SFP port, as far as I know there is no way to set it, but it seems that the SFP port is FULL-duplex 1000M by default.

@kim2022 This FAQ should help you with more details on： https://www.tp-link.com/support/faq/887/ If you only have this router and want to implement multi-subnet VLANs, it should not work, especially...

@Tasitch A simple and probably a bit silly question, did you connect the EAP to the router's LAN port? If it is connected, the cable may not be recognised or the port may be bad, so check and do the...

@Intrax If you are using ER605 in standalone mode then I think it is possible, the latest firmware version 1.2.0 already supports IKEv2. However, the controller doesn't seem to support it at the...