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 - September
   - [ ] [Vocabulary](./september/vocabulary.md)
   - [x] [1.1.4 Packet Tracer - Create Realistic Structured Cabling in the Physical Workspace and Cabling Devices in a Rack](./september/lab-1.1.4.md)
+  - [x] [2.0.3 Packet Tracer - Examine Packets in the Small Office](./september/lab-2.0.3.md)
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+# 2.0.3 Packet Tracer - Examine Packets in the Small Office
+
+## Objectives
+
+- Part 1: Create a Simple PDU in Simulation Mode
+- Part 2: View Contents of PDUs
+- Part 3: Create a Complex PDU in Simulation Mode
+
+## Background / Scenario
+
+In this Packet Tracer activity, you will use the Simulation mode to create PDUs to explore network functionality.
+
+> **Note:** Simulation mode does not work in Physical mode; therefore, Physical mode is locked.
+
+## Procedure
+
+### Part 1: Create a Simple PDU in Simulation Mode
+
+- Step 1: Enter the Office network;
+
+  ![Figure 1 – Entering the Office network](./assets/lab-2.0.3-1.png)
+
+- Step 2: Enter Simulation mode;
+
+  ![Figure 2 – Entering Simulation mode](./assets/lab-2.0.3-2.png)
+
+- Step 3: Create a simple PDU that sends a ping from Office-Admin to Printer0;
+
+  ![Figure 3 – Creating a Simple PDU](./assets/lab-2.0.3-3.png)
+
+- Step 4: Observe traffic moving through the network.
+
+  1. PDU goes outbound from the Office-Admin PC to the Office-SW1 switch;
+    ![Figure 4 – PDU going outbound from the Office-Admin PC to the Office-SW1 switch](./assets/lab-2.0.3-4.png)
+
+  2. Office-SW1 sends a multicast packet to find and get a response from Printer0;
+    ![Figure 5 – Office-SW1 sends a multicast packet to find and get a response from Printer0](./assets/lab-2.0.3-5.png)
+
+  3. Printer0 replies with a response to Office-SW1
+    ![Figure 6 – Printer0 replies with a response to Office-SW1](./assets/lab-2.0.3-6.png)
+  
+  4. Office-Admin recieves response from Printer0 forwarded by Office-SW1
+    ![Figure 7 – Office-Admin recieves response from Printer0 forwarded by Office-SW1](./assets/lab-2.0.3-7.png)
+
+### Part 2: View Contents of PDUs
+
+- Step 1: Use the event list to see PDU information;
+
+  ![Figure 8 – PDU information](./assets/lab-2.0.3-8.png)
+
+- Step 2: Delete the simple PDU.
+
+  ![Figure 9 – Deleting PDU from Simulation Panel](./assets/lab-2.0.3-9.png)
+
+### Part 3: Create a Complex PDU in Simulation Mode
+
+- Step 1: Add a complex PDU to send pings from the PC to the laptop;
+
+  ![Figure 10 – Creating a complex PDU](./assets/lab-2.0.3-10.png)
+
+- Step 2: Configure complex PDU settings to send the pings every 5 seconds;
+
+  ![Figure 11 – Configuring a complex PDU](./assets/lab-2.0.3-11.png)
+
+- Step 3: Observe traffic moving through the network.
+
+  ![Figure 12 – Observing traffic](./assets/lab-2.0.3-12.png)