Have you been told that VLANs are the ultimate solution to your network woes? That they’ll magically secure your infrastructure, eliminate complexity, and solve all your traffic management headaches?

For all VLANs, my router and ESXi box are "tagged" ports. Everything else is untagged. I'm now upgrading to a Dell Powerconnect 2816 and I'm a bit confused. The problem is that VLAN 1 cannot be ...

For some exam questions, the question doesn’t tell you in which VLAN the frame exists – you must somehow infer it from the available information. Monday’s question did exactly that. Unlike last week’s ...

Imagine this: your smart home devices, guest Wi-Fi, and workstations all coexist on the same network. A single compromised IoT device could expose sensitive data or disrupt your entire system. It’s a ...