There's about a dozen VLANs, all inter-VLAN communication is through the FortiGate-110C box. Each of the 3 routers (ATM, ADSL1, ADSL2) is on its own VLAN.

Explore various methods to securely connect and manage IoT devices on a separate VLAN, including using firewall rules, Home Assistant workarounds, and dedicated offline networks.

So I'm looking for a reasonably priced L3 device (switch or router) that is capable of doing Inter-VLAN routing with decent performance. Ideally we would need 4-6 VLAN's, with room for expansion ...