@D-C Hmm ... my idea was to deliberately prohibit devices on different VLANs to communicate to each other, allow communication between clients on VLAN1 (Default) and all clients with the Internet....

@D-C Thank you for your quick reply. Obviously I did not get something vital in the concept of the VLAN. Why is it so necessary, that the internet-router knows about VLAN IDs? If it's on a port that...

I'm trying to learn quite a bit about VLANs and still my head is spinning ... I have a really small network consisting of a Huawei LTE-Internet router (very basic network konfiguration) that does...