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Benefits of running 2 Wi-Fi networks from the same router? What are the downsides? (I don't know if there is a better community for this question)

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unknowing8343@discuss.tchncs.de
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selfhosted@lemmy.world
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I am worried that there is not really a benefit of doing that, just more noise and energy consumption.

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ByteWizard@lemm.ee
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For Unifi devices you setup a Virtual Network then assign the guests to that. https://help.ui.com/hc/en-us/articles/115000166827-UniFi-Hotspot-Portal-and-Guest-WiFi

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BearOfaTime@lemm.ee
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I’m not seeing anything there that says guests can’t see other guests - quite the opposite.

guests connected to your Hotspot Portal will be isolated from all other networks except the one they are assigned to.

Guests on this network are able to access the internet, and communicate with the UniFi gateway to obtain a DHCP lease and resolve names using DNS

I suppose a switch could be configured to prevent traffic going to other ports, which is how I would assume this would have to be done. This functionality would have to exist in the access point, I guess?

Does UniFi have a feature to isolate devices from each other on the same subnet? Seems like it would require some kind of Layer 2 routing?

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excitingburp@lemmy.world
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It does. I have it enabled and tested. “Client Device Isolation.” It’s enabled per SSID.

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BearOfaTime@lemm.ee
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Oh, neat. I’ll have to look into it.

Thanks!

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AustralianSimon@lemmy.world
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