Use GL-MT300N-V2 as isolated IoT network

[bruce]

Sure.

There is some GL user have built their own VLAN on GL router via Luci: Flint 2 GL-MT6000 - VLAN

This is the OpenWRT official guide for the VLAN: [OpenWrt Wiki] VLAN

Here is a recent thread is discussing how to learn VLAN:

Flint 2 - Configuration, Vlans & blocklists.

I have used pfsense and more recently opnsense. I just moved to openwrt for a more basic approach for now. I too needed to make VLANs which I have managed to do and have guest, IoT etc all working. The problem with the glinet gui is that it's mainly hardcoded. We get Lan and clients and that's about it in the dashboard, unlike opnsense where you get everything in the GUI. Any interface you create in opnsense will appear in the GUI of opnsense and that's because it's the main overlay / frontend. …