Designing for Cisco Internetwork Solutions (DESGN) (Authorized CCDA Self-Study Guide) (Exam 640-863)

Authorized Self-Study Guide Designing for Cisco Internetwork Solutions (DESGN) Second Edition   Foundation learning for CCDA exam 640-863   Designing for Cisco Internetwork Solutions (DESGN), Second Edition, is a Cisco®-authorized, self-paced learning tool for CCDA® foundation learning. This book provides you with the knowledge needed to design enterprise networks. By reading this book, you will gain a thorough understanding of designing routed and switched network infrastructures and services within a modular architecture.   In Designing for Cisco Internetwork Solutions (DESGN), Second Edition, you will study a broad range of network design principles and guidelines. You will learn about network design in the context of the Cisco Service-Oriented Network Architecture (SONA) framework and the Cisco Enterprise Architecture. Specific topics include campus and data center infrastructure, remote connectivity, IP addressing design, routing protocol selection, voice network design, wireless network design, and including security in your designs. An ongoing case study plus chapter-ending review questions illustrate and help solidify the concepts presented in the book.   Whether you are preparing for CCDA certification or simply want to gain a better understanding of network design principles, you will benefit from the foundation information presented in this book.   Designing for Cisco Internetwork Solutions (DESGN), Second Edition, is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com/go/authorizedtraining.   Diane Teare is a professional in the networking, training, and e-learning fields. She has more than 20 years of experience in designing, implementing, and troubleshooting network hardware and software and has also been involved in teaching, course design, and project management. She has extensive knowledge of network design and routing technologies and is an instructor with one of the largest authorized Cisco Learning Partners.   Understand the Cisco vision of intelligent networks and the SONA framework Learn how to structure and modularize network designs within the Cisco Enterprise Architecture Design basic campus and data center networks Build designs for remote connectivity with WAN technologies Create IPv4 addressing schemes Understand IPv6 design Select the appropriate routing protocol for various modules in the Cisco Enterprise Architecture Design basic VoIP and IP telephony networks Understand wireless design principles Build security into your network designs   This volume is in the Certification Self-Study Series offered by Cisco Press®. Books in this series provide officially developed self-study solutions to help networking professionals understand technology implementations and prepare for the Cisco Career Certifications examinations.   Category: Cisco Press—Network Design Covers: CCDA Exam 640-863  

Table of Contents:
     Foreword Introduction Chapter 1 Network Fundamentals Review Introduction to Networks Protocols and the OSI Model     The OSI Model     Protocols     The OSI Layers         Physical Layer—Layer 1         Data Link Layer—Layer 2         Network Layer—Layer 3         Transport Layer—Layer 4         Upper Layers—Layers 5 Through 7     Communication Among OSI Layers LANs and WANs Network Devices     Terminology: Domains, Bandwidth, Unicast, Broadcast, and Multicast     Hubs     Switches     Routers Introduction to the TCP/IP Suite     TCP/IP Transport Layer Protocols         Port Numbers         TCP Sequencing, Acknowledgment, and Windowing     TCP/IP Internet Layer Protocols         Protocols         IP Datagrams     TCP/IP-Related Data Link Layer Protocol Routing     Routers Work at the Lower Three OSI Layers     Routing Tables     Routing Protocols Addressing     Physical Addresses     Logical Addresses     Routing and Network Layer Addresses     IP Addresses         IP Address Classes         Private and Public IP Addresses         Subnets Switching Types     Layer 2 Switching     Layer 3 Switching Spanning Tree Protocol     Redundancy in Layer 2 Switched Networks     STP Terminology and Operation         STP Terminology         STP States         Rapid STP Virtual LANs     VLAN Membership     Trunks     STP and VLANs     Inter-VLAN Routing Comprehensive Example Summary Chapter 2 Applying a Methodology to Network Design The Cisco Service Oriented Network Architecture     Business Drivers for a New Network Architecture     Intelligence in the Network     Cisco SONA Framework Network Design Methodology     Design as an Integral Part of the PPDIOO Methodology     Benefits of the Lifecycle Approach to Network Design     Design Methodology Identifying Customer Requirements     Assessing the Scope of a Network Design Project     Identifying Required Information         Extracting Initial Requirements         Gathering Network Requirements     Planned Applications and Network Services     Organizational Goals     Organizational Constraints     Technical Goals     Technical Constraints Characterizing the Existing Network and Sites     Customer Input         Sample Site Contact Information         Sample High-Level Network Diagram     Auditing or Assessing the Existing Network     Tools for Assessing the Network         Manual Information Collection Examples         Automatic Information Collection Examples     Analyzing Network Traffic and Applications     Tools for Analyzing Traffic         NBAR         NetFlow         Other Network Analysis Tools Examples     Network Health Checklist     Summary Report     Creating a Draft Design Document     Time Estimates for Performing Network Characterization Using the Top-Down Approach to Network Design     The Top-Down Approach to Network Design     Top-Down Approach Compared to Bottom-Up Approach     Top-Down Design Example     Decision Tables in Network Design     Structured Design     Network Design Tools     Building a Prototype or Pilot Network     Documenting the Design The Design Implementation Process     Planning a Design Implementation     Implementing and Verifying the Design     Monitoring and Redesigning the Network Summary References Case Study: ACMC Hospital Network Upgrade     Case Study Scenario         Organizational Facts         Current Situation         Plans and Requirements     Case Study Questions Review Questions Chapter 3 Structuring and Modularizing the Network Network Hierarchy     Hierarchical Network Model         Hierarchical Network Design Layers     Access Layer Functionality         The Role of the Access Layer         Layer 2 and Multilayer Switching in the Access Layer         Access Layer Example     Distribution Layer Functionality         The Role of the Distribution Layer         Distribution Layer Example     Core Layer Functionality         The Role of the Core Layer         Switching in the Core Layer     Hierarchical Routing in the WAN Using a Modular Approach to Network Design     Evolution of Enterprise Networks     Cisco SONA Framework     Functional Areas of the Cisco Enterprise Architecture     Guidelines for Creating an Enterprise Network     Enterprise Campus Modules         Campus Infrastructure Module         Building Access Layer         Building Distribution Layer         Campus Core Layer         Server Farm Module         Enterprise Campus Guidelines     Enterprise Edge Modules         E-commerce Module         Internet Connectivity Module         Remote Access and VPN Module         WAN and MAN and Site-to-Site VPN Module         Enterprise Edge Guidelines     Service Provider Modules         Internet Service Provider Module         PSTN Module         Frame Relay/ATM Module     Remote Enterprise Modules         Enterprise Branch Module         Enterprise Data Center Module         Enterprise Teleworker Module Services Within Modular Networks     Interactive Services     Security Services in a Modular Network Design         Internal Security         External Threats     High-Availability Services in a Modular Network Design Designing High Availability into a Network         High Availability in the Server Farm         Designing Route Redundancy         Designing Link Redundancy     Voice Services in a Modular Network Design         Two Voice Implementations         IP Telephony Components         Modular Approach in Voice Network Design         Evaluating the Existing Data Infrastructure for Voice Design     Wireless Services in a Modular Network         Centralized WLAN Components     Application Networking Services in a Modular Network Design         ANS Examples         ANS Components Network Management Protocols and Features     Network Management Architecture         Protocols and Standards     SNMP         SNMPv1         SNMPv2         SNMPv3     MIB         MIB-II         Cisco MIB         MIB Polling Guidelines         MIB Example     RMON         RMON1         RMON1 Groups         RMON1 and RMON2         RMON2 Groups     Netflow         NetFlow Versus RMON Information Gathering     CDP         CDP Information         How CDP Works     Syslog Accounting         Syslog Distributed Architecture Summary References Case Study: ACMC Hospital Modularity Review Questions Chapter 4 Designing Basic Campus and Data Center Networks Campus Design Considerations     Designing an Enterprise Campus     Network Application Characteristics and Considerations         Peer-Peer Applications         Client–Local Server Applications         Client–Server Farm Applications         Client–Enterprise Edge Applications         Application Requirements     Environmental Characteristics and Considerations         Network Geography Considerations         Transmission Media Considerations     Infrastructure Device Characteristics and Considerations         Convergence Time         Multilayer Switching and Cisco Express Forwarding         IP Multicast         QoS Considerations in LAN Switches         Load Sharing in Layer 2 and Layer 3 Switches Enterprise Campus Design     Enterprise Campus Requirements     Building Access Layer Design Considerations         Managing VLANs and STP         Managing Trunks Between Switches         Managing Default PAgP Settings         Implementing Routing in the Building Access Layer     Building Distribution Layer Design Considerations         Using First-Hop Redundancy Protocols         Deploying Layer 3 Routing Protocols Between Building Distribution and Campus Core Switches         Supporting VLANs That Span Multiple Building Access Layer Switches     Campus Core Design Considerations         Large Campus Design         Small and Medium Campus Design Options         Edge Distribution at the Campus Core     Server Placement         Servers Directly Attached to Building Access or Building Distribution Layer Switches         Servers Directly Attached to the Campus Core         Servers in a Server Farm Module         Server Farm Design Guidelines         Server Connectivity Options         The Effect of Applications on Switch Performance Enterprise Data Center Design Considerations     The Enterprise Data Center     The Cisco Enterprise Data Center Architecture Framework     Enterprise Data Center Infrastructure         Data Center Access Layer         Data Center Aggregation Layer         Data Center Core Layer         Density and Scalability of Servers Summary References Case Study: ACMC Hospital Network Campus Design     Case Study Additional Information     Case Study Questions Review Questions Chapter 5 Designing Remote Connectivity Enterprise Edge WAN Technologies     Introduction to WANs     WAN Interconnections     Traditional WAN Technologies         Packet-Switched Network Topologies     WAN Transport Technologies         TDM (Leased Lines)         ISDN         Frame Relay         Asynchronous Transfer Mode         MPLS         Metro Ethernet         DSL Technologies         Cable Technology         Wireless Technologies         Synchronous Optical Network and Synchronous Digital Hierarchy         Dense Wavelength Division Multiplexing         Dark Fiber     WAN Transport Technology Pricing and Contract Considerations WAN Design     Application Requirements of WAN Design         Response Time         Throughput         Packet Loss         Reliability     Technical Requirements: Maximum Offered Traffic     Technical Requirements: Bandwidth     Evaluating the Cost-Effectiveness of WAN Ownership     Optimizing Bandwidth in a WAN         Data Compression         Bandwidth Combination         Window Size         Queuing to Improve Link Utilization         Congestion Avoidance         Traffic Shaping and Policing to Rate-Limit Traffic Classes Using WAN Technologies     Remote Access Network Design     VPN Design         VPN Applications         VPN Connectivity Options         Benefits of VPNs     WAN Backup Strategies         Dial Backup Routing         Permanent Secondary WAN Link         Shadow PVC     The Internet as a WAN Backup Technology         IP Routing Without Constraints         Layer 3 Tunneling with GRE and IPsec Enterprise Edge WAN and MAN Architecture     Enterprise Edge WAN and MAN Considerations     Cisco Enterprise MAN and WAN Architecture Technologies Selecting Enterprise Edge Components     Hardware Selection     Software Selection     Cisco IOS Software Packaging         Cisco IOS Packaging Technology Segmentation         Comparing the Functions of Cisco Router Platforms and Software Families         Comparing the Functions of Multilayer Switch Platforms and Software Families Enterprise Branch and Teleworker Design     Enterprise Branch Architecture     Enterprise Branch Design         Small Branch Office Design         Medium Branch Office Design         Large Branch Office Design     Enterprise Teleworker (Branch of One) Design Summary References Case Study: ACMC Hospital Network WAN Design     Case Study Additional Information         Business Factors         Technical Factors     Case Study Questions Review Questions Chapter 6 Designing IP Addressing in the Network Designing an IP Addressing Plan     Private and Public IPv4 Addresses         Private Versus Public Address Selection Criteria         Interconnecting Private and Public Addresses         Guidelines for the Use of Private and Public Addresses in an Enterprise Network     Determining the Size of the Network         Determining the Network Topology         Size of Individual Locations     Planning the IP Addressing Hierarchy         Hierarchical Addressing         Route Summarization         IP Addressing Hierarchy Criteria         Benefits of Hierarchical Addressing         Summarization Groups         Impact of Poorly Designed IP Addressing         Benefits of Route Aggregation         Fixed- and Variable-Length Subnet Masks         Routing Protocol Considerations         Classful Routing Protocols         Classless Routing Protocols         Hierarchical IP Addressing and Summarization Plan Example     Methods of Assigning IP Addresses         Static Versus Dynamic IP Address Assignment Methods         When to Use Static or Dynamic Address Assignment         Guidelines for Assigning IP Addresses in the Enterprise Network         Using DHCP to Assign IP Addresses     Name Resolution         Static Versus Dynamic Name Resolution         When to Use Static or Dynamic Name Resolution         Using DNS for Name Resolution     DHCP and DNS Server Location in a Network Introduction to IPv6     IPv6 Features     IPv6 Address Format     IPv6 Address Types         IPv6 Address Scope Types         Interface Identifiers in IPv6 Addresses         IPv6 Unicast Addresses         Global Aggregatable Unicast Addresses         Link-Local Unicast Addresses     IPv6 Address Assignment Strategies         Static IPv6 Address Assignment         Dynamic IPv6 Address Assignment     IPv6 Name Resolution         Static and Dynamic IPv6 Name Resolution         IPv4- and IPv6-Aware Applications and Name Resolution     IPv4-to-IPv6 Transition Strategies and Deployments         Differences Between IPv4 and IPv6         IPv4-to-IPv6 Transition         Dual-Stack Transition Mechanism         Tunneling Transition Mechanism         Translation Transition Mechanism     IPv6 Routing Protocols         RIPng         EIGRP for IPv6         OSPFv3         Integrated IS-IS Version 6         BGP4+ Summary References Case Study: ACMC Hospital IP Addressing Design Review Questions Chapter 7 Selecting Routing Protocols for the Network Routing Protocol Features     Static Versus Dynamic Routing         Static Routing         Dynamic Routing     Interior Versus Exterior Routing Protocols         IGP and EGP Example     Distance Vector Versus Link-State Versus Hybrid Protocols         Distance Vector Example         Link-State Example     Routing Protocol Metrics         What Is a Routing Metric?         Metrics Used by Routing Protocols     Routing Protocol Convergence         RIPv2 Convergence Example         Comparison of Routing Protocol Convergence     Flat Versus Hierarchical Routing Protocols         Flat Routing Protocols         Hierarchical Routing Protocols Routing Protocols for the Enterprise     EIGRP         EIGRP Terminology         EIGRP Characteristics     OSPF         OSPF Hierarchical Design         OSPF Characteristics     Integrated IS-IS         Integrated IS-IS Terminology         Integrated IS-IS Characteristics     Summary of Interior Routing Protocol Features     Selecting an Appropriate Interior Routing Protocol         When to Choose EIGRP         When to Choose OSPF     Border Gateway Protocol         BGP Implementation Example         External and Internal BGP Routing Protocol Deployment     Routing Protocols in the Enterprise Architecture         Routing in the Campus Core         Routing in the Building Distribution Layer         Routing in the Building Access Layer         Routing in the Enterprise Edge Modules     Route Redistribution         Using Route Redistribution         Administrative Distance         Selecting the Best Route         Route Redistribution Direction         Route Redistribution Planning         Route Redistribution in the Enterprise Architecture     Route Filtering     Redistributing and Filtering with BGP     Route Summarization         The Benefits of Route Summarization         Recommended Practice: Summarize at the Distribution Layer         Recommended Practice: Passive Interfaces for IGP at the Access Layer Summary References Case Study: ACMC Hospital Routing Protocol Design Review Questions Chapter 8 Voice Network Design Considerations Traditional Voice Architectures and Features     Analog and Digital Signaling         The Analog-to-Digital Process         Time-Division Multiplexing in PSTN     PBXs and the PSTN         Differences Between a PBX and a PSTN Switch         PBX Features         PSTN Switches     Local Loops, Trunks, and Interswitch Communications     Telephony Signaling         Telephony Signaling Types         Analog Telephony Signaling         Digital Telephony Signaling     PSTN Numbering Plans         International Numbering Plans         Call Routing         Numbering Plans Integrating Voice Architectures     Introduction to Integrated Networks         Drivers for Integrating Voice and Data Networks     H.323         Introduction to H.323         H.323 Components         H.323 Example     Introduction to IP Telephony         IP Telephony Design Goals         Single-Site IP Telephony Design         Multisite WAN with Centralized Call Processing Design         Multisite WAN with Distributed Call Processing Design     Call Control and Transport Protocols         Voice Conversation Protocols         Call Control Functions with H.323         Call Control Functions with the Skinny Client Control Protocol         Call Control Functions with SIP         Call Control Functions with MGCP Voice Issues and Requirements     Voice Quality Issues         Packet Delays         Fixed Network Delays         Variable Network Delays         Jitter         Packet Loss         Echo     Voice Coding and Compression         Coding and Compression Algorithms         Voice Coding Standards (Codecs)         Sound Quality         Codec Complexity, DSPs, and Voice Calls     Bandwidth Considerations         Reducing the Amount of Voice Traffic         Voice Bandwidth Requirements         Codec Design Considerations     QoS for Voice         Bandwidth Provisioning         Signaling Techniques         Classification and Marking         Congestion Avoidance         Traffic Policing and Shaping         Congestion Management: Queuing and Scheduling         Link Efficiency         CAC         Building Access Layer QoS Mechanisms for Voice         AutoQoS Introduction to Voice Traffic Engineering     Terminology         Blocking Probability and GoS         Erlang         CCS         Busy Hour and BHT         CDR     Erlang Tables         Erlang B Table         Erlang Examples         Trunk Capacity Calculation Example         Off-Net Calls Cost Calculation Example     Calculating Trunk Capacity or Bandwidth     Cisco IP Communications Return on Investment Calculator Summary References Case Study: ACMC Hospital Network Voice Design     Case Study Additional Information     Case Study Questions Review Questions Chapter 9 Wireless Network Design Considerations Introduction to Wireless Technology     RF Theory         Phenomena Affecting RF         RF Math         Antennas     Agencies and Standards Groups     IEEE 802.11 Operational Standards         IEEE 802.11b/g Standards in the 2.4 GHz Band         802.11a Standard in the 5-GHz Band         802.11 WLANs Versus 802.3 Ethernet LANs     WLAN Topologies     WLAN Components         Cisco-Compatible WLAN Clients         Autonomous APs         Lightweight APs         AP Power     WLAN Operation     WLAN Security The Cisco Unified Wireless Network     The Cisco UWN Architecture         Cisco UWN Elements         Cisco UWN Lightweight AP and WLC Operation         Cisco UWN Wireless Authentication and Encryption     LWAPP Fundamentals         Layer 2 LWAPP Architecture         Layer 3 LWAPP Architecture     WLAN Controllers         WLC Terminology         WLC Interfaces         WLC Platforms         Access Point Support Scalability     Lightweight APs         Lightweight AP Discovery and Join Process         Lightweight AP and WLC Control Messages         Access Point Modes     Mobility in a Cisco Unified Wireless Network         Intracontroller Roaming         Intercontroller Roaming at Layer 2         Intercontroller Roaming at Layer 3         Mobility Groups         Recommended Practices for Supporting Roaming     Radio Resource Management and RF Groups         Radio Resource Management         RF Grouping         AP Self-Healing     Cisco UWN Review Designing Wireless Networks with Lightweight Access Points and Wireless LAN Controllers     RF Site Survey         RF Site Survey Process         Define the Customer Requirements         Identify Coverage Areas and User Density         Determine Preliminary AP Locations         Perform the Actual Survey         Document the Findings     Controller Redundancy Design         Dynamic Controller Redundancy         Deterministic Controller Redundancy         Deterministic Redundancy Options     Design Considerations for Guest Services in Wireless Networks     Design Considerations for Outdoor Wireless Networks         Wireless Mesh Components         MAP-to-RAP Connectivity         Mesh Design Recommendations     Design Considerations for Campus Wireless Networks         Common Wireless Design Questions         Controller Placement Design         Campus Controller Options     Design Considerations for Branch Office Wireless Networks         Branch Office Considerations         Local MAC         REAP         Hybrid REAP         Branch Office WLAN Controller Options Summary References Case Study: ACMC Hospital UWN Considerations Review Questions Chapter 10 Evaluating Security Solutions for the Network Network Security     The Need for Network Security         Network Security Requirements         Security Legislation Examples     Terminology Related to Security     Threats and Risks         Threat: Reconnaissance Attacks         Threat: Gaining Unauthorized Access to Systems         Threat: DoS         Risk: Integrity Violations and Confidentiality Breaches     Network Security Policy and Process         Security Policy         The Need for a Security Policy         Risk Assessment and Management         Documenting the Security Policy         Network Security Process The Cisco Self-Defending Network     The Cisco Self-Defending Network Framework         Secure Network Platform         Cisco Self-Defending Network Phases     Trust and Identity Management         Trust         Identity         Access Control         Trust and Identity Management Technologies         Identity and Access Control Deployment     Threat Defense         Physical Security         Infrastructure Protection         Threat Detection and Mitigation     Secure Connectivity         Encryption Fundamentals         VPN Protocols         Transmission Confidentiality: Ensuring Privacy         Maintaining Data Integrity     Security Management         Cisco Security Management Technologies Network Security Solutions     Integrated Security Within Network Devices         Cisco IOS Router Security         Security Appliances         IPSs         Catalyst Services Modules         Endpoint Security Solutions     Securing the Enterprise Network         Deploying Security in the Enterprise Campus         Deploying Security in the Enterprise Data Center         Deploying Security in the Enterprise Edge Summary References Case Study 10-1: ACMC Hospital Network Security Design     Case Study Questions Case Study 10-2: ACMC Hospital Network—Connecting More Hospitals     Case Study Questions Review Questions Appendix A Answers to Review Questions and Case Studies Appendix B IPv4 Supplement Appendix C Open System Interconnection (OSI) Reference Model Appendix D Network Address Translation Acronyms and Abbreviations

About the Author :
Diane Teare is a professional in the networking, training, and e-learning fields. She has more than 20 years of experience in designing, implementing, and troubleshooting network hardware and software and has also been involved in teaching, course design, and project management. She has extensive knowledge of network design and routing technologies and is an instructor with one of the largest authorized Cisco Learning Partners. She was recently the Director of e-Learning for the same company, where she was responsible for planning and supporting all the company’s e-learning offerings in Canada, including Cisco courses. Diane has a bachelor’s degree in applied science in electrical engineering (BASc) and a master’s degree in applied science in management science (MASc). She is a certified Cisco instructor and currently holds her CCNP and CCDP certifications. She coauthored the Cisco Press titles Campus Network Design Fundamentals, the three editions of Building Scalable Cisco Internetworks (BSCI), and Building Scalable Cisco Networks. She also edited the first edition of this book and Designing Cisco Networks.