@guyd2 1. Create VLAN 20 (CAM), create DHCP assignment for your NVR, plug into tp-link switch port and change that port from 'All' to 'CAM'. This is because nearly all of the Hikvision NVR's and...

For info, I stopped using my IK41VE1, as it was getting a lot of drop-outs, so I went and bought a Huawei E3372h-320 and everything ran smoothly. If you have an external 4G LTE aerial with TS-9...