As you show if it is a traditional router where you create sub-interfaces to the physical interfaces, or with VLAN interfaces for layer 3 config (and treat the physical interfaces like switch ports).

The router may be the gatekeeper, but it’s the switches, VLANs, Wi-Fi access points, and security architecture that truly determine the strength and scalability of your network.

I am trying to figure out how to configure private VLANs on a Dell X series switch and I am struggling to get it working. Currently we are able to create a new PVLAN in the web interface and add a ...