The basement lab of Meridian Community College. Racks of aging but reliable Cisco switches hum in the corner. On a monitor, the Packet Tracer interface glows green.
But Professor Lasky had hidden a trap. The instructions, step 7: “Verify that PC3 cannot ping PC5.” Alex did. It couldn’t. Good. 3.3.12 packet tracer - vlan configuration.pka
interface fastEthernet 0/1 switchport mode access switchport access vlan 10 exit interface fastEthernet 0/2 switchport mode access switchport access vlan 20 F0/3 → VLAN 30. F0/4 → VLAN 10. And so on. The basement lab of Meridian Community College