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 Part I, "Understanding, Configuring, and Troubleshooting CEF" includes the following chapters:Chapter 1, "Introduction to Packet-Switching Architectures"— This chapter explains packet-switching architecture and terminology. It also explains utilization of memory and buffers. Chapter 2, "Understanding Cisco Express Forwarding"— This chapter deals with the basics of CEF architecture and operation. It defines CEF terminology and history. Chapter 3, "CEF Enhanced Scalability"— This chapter discusses the enhanced CEF structure and its purpose. Chapter 4, "Basic IP Connectivity and CEF Troubleshooting"— This chapter deals with general troubleshooting in a software-switching environment. Software switching has typically been used on routers. Part II, "CEF Case Studies," deals with special CEF case studies covering the following common scenarios: Chapter 5, "Understanding Packet Switching on the Cisco Catalyst 6500 Supervisor 720"— This chapter helps you understand the impact of CEF and learn how packet switching works on a Cisco Catalyst 6500 SUP720. Chapter 6, "Load Sharing with CEF"— This chapter discusses load sharing with CEF. It covers the purpose, configuration, and troubleshooting of common problems. Chapter 7, "Understanding CEF in an MPLS VPN Environment"— This chapter explains the impact of CEF in an MPLS VPN environment. The book concludes with Appendix A, "Scalability," which discusses CEF design considerations that could impact network scalability. Download free ebooks of cisco:Cisco Press Cisco Express Forwarding
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