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IoT-VLAN working?

onklen
Star I

I bought a pair of BT10's for home use.

I set up the IoT network and placed my Chromecast and Samsung TV on it. I had expected the Chromecast to stop working as my phone should not be able to see it - but it can.

I then tried logging my notebook on to the IoT-network. From there I can still ping my smartphone, desktop-PC etc.

Shouldn't access between the different networks be blocked so even pinging would fail?

New to networking so I probably miss something... I also played with a Ubiquiti setup and there the VLANs are completely isolated...

6 REPLIES 6

jzchen
Zen Master I

The initial setup with MLO and Legacy/IoT network SSID does not set up a VLAN because it is supposed to be segregated WiFi 7 devices on the MLO SSID and the Legacy devices on the other SSID, (ideally your primary/main SSID before).  If you want a separate IoT device SSID go to Guest Network Pro, create this third one, which will enforce a VLAN, which prevents device access to the Legacy or MLO SSIDs.

onklen
Star I

Thanks Jzchen

I disabled MLO as I currently do not have a wifi 7 unit. Only 5, 6 and 6e.

Even though I click to isolate the subnet I can still ping it to/from it.

Is that not a problem or does that indicate, that potential compromised IoT-devices can talk to other networks?

What is the settings or features of the IoT-network then?

My ASUS router also has MLO (and WiFi 7 disabled for 2.4, 5, and 6 GHz-1.) I only have 1 WiFi 7 phone and it isn't getting good speed from my two BE routers, (one is a TP-Link Deco).

I'm afraid I tried creating an IoT network a long time ago and didn't have any luck migrating IoTs over, so I just left them all connected to the main SSID.  Since quite a few IoTs are printers in my case VLANs actually blocked ability to print.  To me I guess that was enough security, or actually too much security...

There's an Access Point Isolated setting and I'm assuming that is the isolation setting you are referring to.  I hope that is enough security for you, but to be honest I'm not a cyber security expert, (I am sorry I'm not sure I can help more).

onklen
Star I

Thank you

I was just trying to understand what the build in IoT-network actually does if it does not separate the devices from my main network...

Hopefully someone from ASUS can help.