@KJK That was also my idea on the setup So I have moved the unmanaged switch out of the link between the RV320 and the SG2218 I now have the trunk direct between RV320 - LAN1 and SG2218 - Port 1...

Dear Community I have only basic network knowledge. I am struggling to implement VLANs between a SG2218 switch and a Cisco RV320 router. Here's my previous configuration : - 2 floors building : a...