3.3.12 Packet Tracer - Vlan Configuration.pka -

The default port between S1 and S2 (Gig0/1) was just a regular port. It saw a ping from PC1 (VLAN 10, S1) and dropped it before it reached S2.

On S1, G0/1:

Alex smiled at the virtual topology—three separate networks living on the same wires, never arguing, never colliding. 3.3.12 packet tracer - vlan configuration.pka

“Walls built,” Alex said, leaning back. But Professor Lasky’s note glowed again: “VLANs are islands. How do islands talk?” Alex realized: S1 knows VLAN 10 exists on its own ports. S2 knows VLAN 10 exists on its own ports. But between switches? Silence. The default port between S1 and S2 (Gig0/1)

The scenario: VLAN Configuration . Objective: Slice this single broadcast domain into three separate pieces of virtual reality. “Walls built,” Alex said, leaning back

Alex saved the configuration: write memory .

Alex learned the hard lesson: deleting a VLAN from one switch doesn’t delete it from others. But it does break connectivity for any access port still assigned to that missing VLAN on that switch.