@MR.S Okay. This also means when i have all vlans in a profile and i add a new one, i have to manually add it to the profile. Thats more prone to errors than the default profile. But thats seems to...

In wired Networks i wanted to change a profile to disable Loopback detection: Ich can change settings but there ist only a "Back"-Button. Is there a Possibility to change theese Settings?

Thanks for your detailed reply. We have several devices of this switch and so me made a default configuration. The unused VLAN's are "small" networks so there isn't a lot of traffic. Anyway Unicast...

Only the Trunk has the default VLAN configured.

We wanted to use this Switch in our company in places where are not enough cables to our main network infrastrukture. We tested this issue with different vendors of enterprise switches....