I have created a new thread here, as I am wondering specifically about connecting between LANs on a managed switch

How to frames work for untagged ports? If I have a port A which has say VPID 200, has VLAN 200 untagged and also VLAN 150 untagged, does that mean that frames on the switch tagged 150 can reach port...

I have a NVR which I can access on my LAN, I would like some IP cameras isolated on a VLAN to access the NVR using an 802.1Q managed switch only. I want the cameras to connect to the NVR without...