@Hareharan Thanks for your feedback. Could you please send us the system log of the MR400 to do further analysis? Go to advanced-system tools-system log and hit save log, please send the txt file to...

@Fanda Please ensure that the current WAN/internet IP is a public IP address. Then please click here to enable the port forwarding on the TD-W9960. If still the same, please show us some screenshots...

@MarkRed Please ensure that the current WAN/internet IP address is a public IP. Then click here to enable remote management, after that, please try to access it remotely to give it a go.

@Egyz The Archer VR600 does not support bandwidth for each device, while we can use the QoS to setup different priorities for devices. Click here to get instruction to do that.

@User7856 Try to use access control to restrict internet access to at certain time at night. Click here to get the instruction to setup access control.

@PaoloM The TL-SG1016D is unmanaged switch per you said, configuration is not required, instead, it is plug and play. And you do not have to worry about the IP conflict issue, just connect them to...