@Clive_A Thank you for your reply. I do not insist on 802.1Q. I just ask how can I implement what I need....:-) My old TP-LINK did this job perfectly. Do you mean that the new one is uncapable?

Hello, all. Please, can someone help me to configure my TL-SG108 as following: 1. Ports 1,2,3,4 as VLAN1 2. Ports 1,5,6,7,8 as VLAN2 Obviously traffic between VLANs is isolated except the port 1...