As I know, usg60 supports everything you need. You can configure trunk port from your switch to your router. Configure several IP-interfaces on router, configure several DHCP-Servers there.

What's your router? I think it's easier to configure it there.

Yes, you can check all cameras at the same time. The only problem you can meet is if you have 720p cameras and your signal strength between APs is not so good, so your bandwidth will be not so good...

It would so much easier to understand, if you put text cfg instead of pics. Well, DHCP Relay is needed, when your DHCP-server exists in the same VLAN as a client, but in different subnet. When your...

As I understand, you have SSID A - VLAN 30, SSID B - VLAN 40. It means, that traffic from AP will be tagged. It means you need to configure switch port, which connects to AP with vlan 30, 40 tagged....

R1D2 wrote Andone wrote I think you can disable DHCP server on ER6020. Enable DHCP server and set up L3 interface on T1600. Hello Andone, T1600G switches do not offer a DHCP server, at least mine...