1. You are the Network Administrator at ABC-Solutions, which has its offices in Los Angeles. The company has set up two more offices in Texas and New York. You have been assigned the task to set up Frame Relay packet switching between all the offices so that users in these offices can communicate with each other. How will you perform the preceding task?

To configure packet switching in the three sites, you need to perform the following tasks:

Implement the Frame Relay packet switching technology.
Configure a Frame Relay connection between R1 and R2 and R1 and R3.
Configure a Frame Relay connection between R2 and R3.



Task 1: Implementing the Frame Relay Packet Switching Technology To implement the Frame Relay packet switching technology, you need to perform the following steps:
1. Ensure that the Start screen is displayed.
2. Type GNS3.
3. Right-click the GNS3 tile, and then select the Run as administrator option. The User Account Control dialog box is displayed.
4. Click the Yes button. The GNS3 window with the New Project dialog box is displayed.
5. Click the Cancel button.
6. Click the Browse Routers icon in the left pane.
7. Drag and drop Router c3700 to the center of the window three times and arrange them in a triangular sin
  • e, as shown in the following figure.
S 410 Router Placement
8. Close the Routers pane.
9. Click the Browse Switches icon in the left pane.
10. Drag and drop Frame Relay switch to the center of the window inside the triangular shape formed by routers, as shown in the following figure.
   a Frame Relay Switch Placement
11. Close the Switches pane.
12. Right-click FR1 in the workplace pane, and then select the Configure option.
13. Click FR1 in the left pane under Frame Relay switches.
14. Click the Add button in the FR1 node pane CoepIguration appears under the Mapping list
15. Change the existing value to 1 in the Port spin box in the Source section.
16. Click the Add button.
17. Click the Apply button.
18. Click the OK button.
19. Press and hold the Shift key, click the Add a link ail) icon in the left pane, and then select the Serial option. You will notice that a red cross mark appears beside the Add a link icon.
20. Click the R1 icon in the workplace pane.
21. Click the FRI ioon, and then select
22. Click the R2 icon.
23. Click the FR1 ioon and then select 10.
24. Click the R3 icon.
25. Click the FR1 icon, and then select 11.
26. Move the mouse pointer over the FR1 icon, and note down the Data Link Connection Identifier (DLCI) for all the ports.
  • Port 1: - Incoming dlci 101 is switched to port 10.
  • Port 10: - Incoming dlci 202 is switched to port 1.
  • Port 11: - Incoming dlci 203 is switched to port 1.
27. Click the Add a !laic (IN) icon in the left pane to remove the red cross mark.
28. Click the Start/Resume all devices button on the toolbar at the top.
29. Right-click the R1 icon, and then select the Console option in the workplace pane. The R1 console window is displayed.
30. Run the following commands in the R1 console window:
   a. Type enable, and then press the Enter
   b. Type configure terminal, and then press the Enter key.
   c. Type hostaame LA-Router, and then press the Enter key.
   d. Type interface serial 0/0, and then press the Enter key.
   e. Type ip address 101.100.99.98 255.255.255.0, and then press the Enter key.
   f. Type no shutdown, and then press the Enter key.
31. Click the Minimize button to minimize the R1 console window
32. Right-click the R2 icon, and then select the Console option in the workplace pane. The R2 console window is displayed.
33. Run the following commands in the R2 console window:
   a Type enable, and then press the Enter key.
   b. Type configure terminal, and then press the Enter key.
   c. Type hostname TX-Router, and then press the Enter key.
   d. Type interface serial 0/0, and then press the Enter key.
   e. Type ip address 101.100.99.97 255.255.255.0, and then press the Enter key.
   £ Type no shutdown, and then press the Enter key.
34. Click the Minimize button to iraMmin the R2 console window
35. Right-click the R3 icon, and then select the Console option in the workplace pane. The R3 console window is displayed.
36. Run the following commands in the R3 console window:
   a Type enable, and then press the Enter key-
   b. Type configure terminal, and then press the Enter key.
   c. Type hostname NY-Router, and then press the Enter key.
   d. Type interface serial 0/0, and then press the Enter key.
   e. Type ip address 101.100.99.96 255.255.255.0, and then press the Enter key.
   f. Type no shutdown, and then press the Enter key.
37. Click the Minimize button to minimize the R3 console window
38. Click the computers icon on the taskbar, and then click the R1 thumbnail to switch to the RI console window
39. Type do ping 101.100.99.96, and then press the Enter key. Note Even though all the sites on connected together physically, the Frame Relay is not set up and the ping command fails on the routers.
40. Type do ping 101.100.99.97, and then press the Enter key. fQ/ Note The ping command fails again because Frcrme Relay is not set up.
41. Click the Minimize button to minimize the R1 console window.
42. Click the computers icon on the taskbar, and then click the R2 thumbnail to switch to the R2 console window
43. Type do ping 101.100.99.98, and then press the Enter key. rre ti Note The ping command fails again because Frcrme Relay is not set up.
44. Click the Minimize button to minimize the R2 console window
45. Click the computers icon on the taskbar, and then click the R3 thumbnail to switch to the R3 console window.
46. Type do ping 101.100.99.98, and then press the Enter key.
47. Click the Minimize button to minimize the R3 console window.

Task 2: Configuring a Frame Relay Connection Between R1 and R2 and R1 and R3 To configure a Frame Relay connection between R1 and R2 and RI and R3, you need to perform the following steps:
1. Switch to the RI console window.
2. Type interface serial 0/0, and then press the Enter key
3. Type encapsulation frame-relay, and then press the Enter key.
4. Type frame-relay map ip 101.100.99.97 101 broadcast, and then press the Enter key.
5. Type frame-relay map ip 101.100.99.96 102 broadcast, and then press the Enter key.
6. Click the Minimize button to minimize the R1 console window
7. Switch to the R2 console window
8. Type interface serial 0/0, and then press the Enter key.
9. Type encapsulation frame-relay, and then press the Enter key.
10. Type frame-relay map ip 101.100.99.98 202 broadcast, and then press the Enter key.
11. Click the Minimize button in the R2 console window.
12. Switch to the R3 console window.
13. Type interface serial 0/0, and then press the Enter key.
14. Type encapsulation frame-relay, and then press the Enter key.
15. Type frame-relay map ip 101.100.99.98 203 broadcast, and then press the Enter key.
16. Click the Minimize button to nlitlinthe the R3 console window.
17. Switch to the R1 console window
18. Type do ping 101.100.99.97, and then press the Enter key.
19. Type do ping 101.100.99.96, and then press the Enter key.
20. Click the Minimize button to minimize the R1 console window.

Task 3: Configuring a Frame Relay Connection Between R2 and R3 To configure a Frame Relay connection between R2 and R3, you need to perform the following steps:
1. Switch to the R2 console window
2. Type do ping 101.100.99.96, and then press the Enter keys Note The ping command fails again because Frame Relay is not set up.
3. Type interface serial 0/0, and then press the Enter key.
4. Type frame-relay map ip 101.100.99.96 202 broadcast, and then press the Enter key.
5. Click the Minimize button to minimize the 142 console window
6. Switch to the R3 console window
7. Type do ping 101.100.99.97, and then press the Enter key.
8. Type interface serial 0/0, and then press the Enter key.
9. Type frame-relay map ip 101.100.99.97 203 broadcast, and then press the Enter key.
10. Type do ping 101.100.99.97, and then press the Enter keys Note The ping command is successful because the NY-router has connectivity to the 2X-router.
11. Click the Minimize button to minimize the R3 console window
12. Switch to the R2 console window
13. Type do ping 101.100.99.96, and then press the Enter key.
14. Close all the open windows without sating any changes.