1. Click on the Start button.

2. Initiate a request by selecting the sender and receiver, then click Submit.

3. Now, observe the three phases of Packet switching: connection establishment, data transmission, and connection termination.

4. Please repeat steps 1 to 3 to understand different scenarios.

Note 1: Move the cursor over the devices to view their information.

Note 2: P1, P2, etc. indicate port numbers in the switch device.