Appendix A. Frame Relay Switch Configuration
Unless you have a dedicated Frame Relay switch at your disposal, you will need to configure one of your routers to simulate a Frame Relay switch.
NOTE
Your chosen router can be one, that you use within the lab scenarios or a dedicated router such as a 4000 with sufficient serial interfaces for this task.
Once configured appropriately, your router will provide the necessary mesh of permanent virtual circuits (PVCs) to meet the requirements stipulated in the lab scenarios.
Figure A-1 shows connectivity from R1 to R4 with R5 acting as the Frame Relay switch. In this example, R5 connects to both R1 and R4 using X21 female data communications equipment (DCE) cables; these will provide a clock signal to ...
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