@RoarinRow Hey, Is the port 2 of Firewalla a trunk port? And do different VLAN's have different subnets? I mean, do you configure VLAN interfaces?

@VIetDinh If you could provide us more information, like your topology, your purpose, etc. we may help you further. If you just don't know where to configure it on the web interface, here is a...

Do you want to isolate each VLAN? If yes, any home router won't deal with this case. DHCP relay requires a router that supports multi-nets, or another switch that can work as DHCP Server. If it is...

I think no. I mean you should buy a new device. But if it still works fine after what you did, you can keep it.

@cmcouwenb No better ideas, and waiting for your port mirroring result.

No problem. Hope everything will be good after you install the omada gateway.