@NeoCZ Not sure about this. Is there any other router that supports dual wan with the same VLAN ID? From what you described, it seems ER605 does not support such a connection. So, at this time, I...

@NeoCZ OK, I see. Do you mean that both your WAN and WAN/LAN1 connection requires the VLAN and they have the same VLAN ID 848? Same ISP?

If you set up VLAN and wrongly on the ports, this will disconnect the switch. If the switch shows up as "disconnected", you need to plug and cable or reboot them to recover. If the heartbeat is...

@VaughanR Have you checked your camera? Is that showing up properly on the channel page on your NVR? Have you tried to power cycle NVR and cameras? Checked the cables? All working good?

@NeoCZ What are the configs? It would be helpful to see some pictures of your WAN VLAN and LAN VLAN config. From my past experience, it is not recommended to set up your WAN and LAN with the dup...

@ioannis_s ISP won't commit the minor dropout. If you have a backup router, you can try that router to test this main line. Or you can simply connect your PC to it and do a test to check out if the...