@MR.S The port does not matter - and it happens on other switches to. If I set a port to "IoT", all clients will be added to the "IoT" VLAN. If I set it to "All", all clients will be added to the...

@MR.S I found that no client that is connected by cable to a switch port which is set to profile "All" can be configured to use an IP of the "IoT" network. Clients connected wirelessly to an EAP that...

@MR.S Yes, I know. The ordered SG3210X-M2 will arrive tomorrow. But this will not resolve the issue because what I described im my previous post happened without the TL-SG108E connected. When I did...

@MR.S If I change the port 10 of the switch to "IoT" and reconnect the device, it gets the correct fixed IP of the "IoT" VLAN. As soon as I change it back to "All", the device cannot be reached any...

@MR.S Yes, this is exactly what I don't understand.

I updated my last reply just as you answered. So this should work, right?