Summary of the Contents

The chapters and appendixes of this book are as follows:

■ Chapter 1, "Network Fundamentals Review," introduces some fundamental concepts and terminology that are the foundation for the material in the rest of the book.

■ Chapter 2, "Applying a Methodology to Network Design," introduces the Cisco vision of intelligent networks and the Service Oriented Network Architecture (SONA) architectural framework. The lifecycle of a network and a network design methodology based on the lifecycle are presented, and each phase of the network design process is explored in detail.

■ Chapter 3, "Structuring and Modularizing the Network," introduces a modular hierarchical approach to network design, the Cisco Enterprise Architecture. The chapter includes a detailed description of services within modular networks. Network management protocols and features are also discussed.

■ Chapter 4, "Designing Basic Campus and Data Center Networks," examines the design of the Enterprise Campus and Enterprise Data Center network infrastructure.

■ Chapter 5, "Designing Remote Connectivity," discusses WAN technologies and design considerations. This chapter describes the Enterprise WAN and metropolitan-area network (MAN) architectures and the Enterprise Branch and Teleworker architectures and discusses the selection of WAN hardware and software components.

■ Chapter 6, "Designing IP Addressing in the Network," discusses the design of an IP version 4 (IPv4) addressing scheme. The chapter also introduces IP version 6 (IPv6) and discusses IPv4-to-IPv6 migration strategies.

■ Chapter 7, "Selecting Routing Protocols for the Network," describes considerations for selecting the most appropriate network routing protocol. The chapter discusses why certain protocols are suitable for specific modules in the Enterprise Architecture. It concludes with a description of some advanced routing protocol deployment features, including redistribution, filtering, and summarization.

■ Chapter 8, "Voice Network Design Considerations," introduces voice design principles and provides guidelines for a successful integrated network deployment. It begins with an overview of traditional voice architectures and features and continues with a discussion of integrated voice architectures, including VoIP and IP telephony.

■ Chapter 9, "Wireless Network Design Considerations," introduces the Cisco Unified Wireless Network (UWN) architecture and discusses wireless design principles. The chapter introduces wireless technologies and explores considerations when designing Cisco UWNs in enterprise environments.

■ Chapter 10, "Evaluating Security Solutions for the Network," describes network security, including threats and risks, and network security policies. The Cisco Self-Defending Network strategy for designing network security is explored, and Cisco network security solutions for enterprise networks are discussed.

■ Appendix A, "Answers to Review Questions and Case Studies," contains answers to the review questions and case studies that appear at the end of the chapters.

■ Appendix B, "IPv4 Supplement," provides job aids and supplementary information intended for your use when working with IPv4 addresses. Topics include an IP addressing and subnetting job aid, a decimal-to-binary conversion chart, IPv4 addressing review, and IPv4 access lists.

■ Appendix C, "Open Systems Interconnection (OSI) Reference Model," is a brief overview of the OSI seven-layer model.

■ Appendix D, "Network Address Translation," contains information about Cisco's implementation of Network Address Translation (NAT) and port address translation (PAT).

■ "Acronyms and Abbreviations" spells out the abbreviations, acronyms, and initialisms used in this book.

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