Reply To: RT-AX86U wired network connection to second WIFI network Hi all, So I have setup a 2nd WIFI network which I’ve connected all my IOT devices to. I’m now considering setting up home assistant on a virtual machine and…

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kev2021 wrote:

Alternatively, is there a way I can set traffic from main network into the 2nd WIFI network BUT not allow traffic from 2nd wifi network into the main network?

Alternatively I guess I’d have to get a separate device like a rasberry pi and connect it to the 2nd wifi and use it from that but just means more expense.

How is the 2nd WIFI network configured and how important is the separation between the two networks, is security a concern (in all its forms), if not then a firewall with VLAN’s set up’ should’ work with the switch as you describe, probable.

If security is a concern, then most definitely, a dedicated device is advisable such as a data diode or a firewall set-up correctly could suffice.

https://www.garlandtechnology.com/blog/firewalls-vs.-data-diode-why-ot-security-teams-turn-to-data-diode-taps

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