@Tedd404 Hello, you are totally right and that's the point why I was confused about. But I've managed it and Iit was my fault. >>> I used the wrong patch to the firewall... All ports, even the LACP...

@LuXxX DONE

Hello Supporters, I'm trying to configure my core switch and it fails even with the basic setup of VLAN. It is not my first L2/L3 switch and I've managed a lot complicated configuration so far - but...