I'm trying to do something similar to <https://help.firewalla.com/hc/en-us/articles/360046231493> but when I create a VLAN on a port (say Firewalla Gold port #3) it tells me it has to disable the LAN on that port. I'm having a devil of a time getting VLANs to work at all, an very inconsistent results when I put multiple VLANs on one port.
My questions are:
1. Can a VLAN and LAN coexist on the same physical port?
2. Can two VLANs coexist on the same physical port?
For context, I want VLANs for Home, IoT, and Guests on the same wireless access points. I can configure the WAPs with VLANs (I bought the exact model in that article) but anything on those VLANs are failing to connect to the Internet.
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