Is it possible to assign each vlan to a physical port on the ZyXEL USG40?

I'm trying to configure a ZyXEL USG40 to act as a switch that can physically separate 3 vlans from each other. I was told this product would be sufficient to setup a company network with 3 separate vlans. However, after helping me configure the vlans, they told me I'd need an additional switch that allows me to bind each vlan to one or more physical ports.

I was wondering whether it would be possible to assign each physical port on the ZyXEL USG40 to a vlan, so that:

  • LAN1 (P2) >> (vlan2)
  • LAN2 (P3) >> 10.0.300.1 (vlan3)
  • DMZ (P4) >> 10.0.400.1 (vlan4)

The WAN port would be connected directly to the modem. Under each vlan we plan to add a switch for VoIP (on .200), a switch with local workstations and servers (on .300) and a guest wireless AP (on .400).

The web interface seemingly allows for something like this, by assigning each ethernet interface to its own zone, and then adding a vlan on that zone and base port. However, that doesn't seem to work. Granted, I'm very new to all of this and I don't really know whether I'm doing this correctly.

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