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this post was submitted on 04 Mar 2024
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Energy consumption is essentially the same, as it's using the same radios.
For what it's worth, I have several SSIDs, each on a separate VLAN:
(to remotely access home automation stuff, I use Home Assistant via a Tailscale VPN)
Most of these have both 2.4Ghz and 5Ghz enabled, with band steering enabled to (hopefully) convince devices to use 5Ghz when possible.
This is on a TP-Link Omada setup with 2 x EAP670 ceiling-mounted access points. You can create up to 16 SSIDs I think.
How do you accomplish this isolation since they're on the same subnet/broadcast domain? Is it a feature of the hardware you're using?
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
I'm not seeing anything there that says guests can't see other guests - quite the opposite.
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?
It does. I have it enabled and tested. "Client Device Isolation." It's enabled per SSID.
Oh, neat. I'll have to look into it.
Thanks!