Packet Switched Technologies


Because of their high speed and efficiency, most modern networks employ some type of packet switched technology in their Wide Area Network (WAN) infrastructure. Understanding the concepts and configuration of Frame Relay and Autonomous Transfer Mode (ATM) networks are critical to your success in the Cisco Certified Internetwork Expert (CCIE) lab.

Upon completing this module, you will be able to:

■ Describe Frame Relay concepts such as Data-Link Connection Identifiers (DLCI), Inverse Address Resolution Protocol (ARP), and Local Management Interface (LMI)

Configure Frame Relay on the various interface types: physical, point-to-multipoint subinterfaces, and point-to-point subinterfaces

■ Configure remote Layer 3-to-DLCI address mappings, using the following; Inverse ARP, Frame Relay map statements, and specifically assigning a DLCI to a point-to-point subinterface

■ Verify your Frame Relay configuration in a layered approach, using the Open Systems Interconnection (OSI) reference model, with various show and debug commands

■ Configure Permanent Virtual Connections (PVCs) on a Cisco router

■ Configure ATM quality of service settings

■ Troubleshoot ATM configurations on a Cisco router

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