@15678665 What hardware do you have and how they are connected? I disconnected all the devices, the only devices were connected were ISP modem, Router , PoE switch, NVR1016H and the ipc633-Z camera,...

@Hank21 Problem were solved this morning, called TP-LINK customer service Taipei for help, everything is sorted now!.

Hi, I have the following setups: ISP modem ethernet wired to Qnap Qhora-301W router(PPPoE setup) port 1 Qhora301W port 2 wired to T1500GPS PoE switch, port 4 to PC T1500GPS PoE switch ethernet port 2...