具体描述
内 容 简 介
本书是用于培养Cisco认证的网络互联专家
CCIE的系列丛书的高级教材，详细介绍了当今
流行的Internet网络的关键技术――TCP/IP路由
技术。全书共四大部分，I.介绍路由的基本知
识，包括：地址、路由器、互联以及TCP/IP的
各个协议，静态路由技术和动态路由技术；II.
介绍一系列内部路由协议：路由信息协议RIP、
内部网关路由协议IGRP、第二版的路由信息协
议RIP、扩展内部网关路由协议EIGRP、最短
路径优先OSPF和集成的IS－1S；Ⅲ.介绍路由控
制和互操作性中的各种技术：路由再分布、缺
省路由、路由过滤和路由地图；Ⅳ.相关的附录。
本书在每一章中，不仅有技术讲解，而且有详
实的案例分析以及练习与实验，不仅可作学习
网络的教材，也是网络管理人员的极佳参考书。
现代网络架构与高级路由协议深度解析 书籍主题： 本书旨在为网络工程师、系统架构师以及网络技术爱好者提供一套全面、深入且具有前瞻性的现代网络架构设计、部署与维护的理论与实践指南。内容聚焦于当前企业级、数据中心以及服务提供商网络环境中最关键的路由协议、软件定义网络（SDN）技术、网络功能虚拟化（NFV）的原理，以及如何构建具备高可用性、高性能和强安全性的复杂网络基础设施。 本书结构与核心内容： 本书共分为六个主要部分，层层递进，从基础概念的巩固到前沿技术的实战应用，力求构建一个完整的现代网络知识体系。 --- 第一部分：下一代网络基础与核心概念重塑 (The Reimagined Network Foundation) 本部分着重于夯实理解现代网络架构所需的底层基础，并引入了超越传统三层网络的演进思路。 章节细述： 1. 网络范式演进： 简要回顾从传统核心/汇聚/接入模型到扁平化、叶脊（Leaf-Spine）架构的转变驱动力。重点分析云计算、虚拟化对网络拓扑带来的根本性挑战。 2. IPv6 深度部署策略： 详细探讨 IPv6 的地址分配、路由扩展（如 RIO、EIT 等）以及在多厂商环境中实现平滑过渡的混合网络策略。重点剖析 IPv6 路由选择算法与传统 IPv4 的差异，以及在大型网络中部署 IPv6 基础设施时需要考虑的性能和安全影响。 3. 网络可编程性概述： 介绍网络控制平面与数据平面的分离理念，为后续 SDN 章节打下基础。讨论 YANG 模型、Netconf/Restconf 协议在配置自动化中的初步应用，强调数据驱动配置的重要性。 --- 第二部分：大规模路由协议的精细调优与优化 (Advanced Routing Protocol Mastery) 本部分深入剖析企业和运营商级别最核心的外部网关协议（EGP），侧重于在复杂、多域环境中实现收敛速度、路径最优和故障隔离。 章节细述： 1. BGP 路径选择与策略控制： 摒弃基础理论复述，直接进入高级 BGP 属性的实际影响分析。详细讲解 AS-Path Prepending、MED 跨域操作、Local Preference 的精细化权重分配，以及如何利用 BGP Communities (扩展与标准) 对外部流量进行精准标记和控制。 2. 多出口与路径负载均衡实践： 探讨在拥有多个 ISP 连接的环境中，如何使用 BGP 结合策略路由（Policy-Based Routing, PBR）和 BGP FlowSpec 实现出口流量的精确引流和故障切换。重点分析如何确保内部路由协议（如 OSPF/IS-IS）与 BGP 之间的交互一致性。 3. 路由收敛优化技术： 深入研究路由反射器（Route Reflectors）的设计原则、Cluster ID 的作用，以及路由抑制（Route Dampening）在不同网络规模下的适用性。讨论如何通过调整 BFD (Bidirectional Forwarding Detection) 参数，将路由故障检测时间缩短至毫秒级别。 --- 第三部分：软件定义网络 (SDN) 核心架构与北向接口 (The SDN Paradigm) 本部分是本书的前沿技术核心，聚焦于如何利用 SDN 架构实现网络的敏捷性、集中化控制和自动化运维。 章节细述： 1. OpenFlow 协议的局限与演进： 不仅介绍 OpenFlow 的基础流表操作，更重要的是分析其在隧道、QoS 和多租户隔离方面的局限性。引入 SDN 控制器与数据面设备之间的新型交互模式（如 P4 语言的硬件可编程性）。 2. 集中式与分布式控制平面： 比较不同 SDN 控制器架构（如 ONOS, ODL）的优劣。详细论述如何在关键业务场景中实现控制平面的高可用性集群部署，并应对控制平面与数据平面之间的网络延迟挑战。 3. Intent-Based Networking (IBN) 初探： 介绍从“配置”到“意图”的转变。分析 IBN 系统的核心组成（翻译层、验证层、自动化执行层），并提供一套蓝图，说明如何逐步引入 IBN 原理来简化网络运维流程。 --- 第四部分：数据中心网络与叶脊架构 (Data Center Fabric Engineering) 本部分专注于高密度、低延迟的数据中心网络部署，这是现代企业和云服务商的基石。 章节细述： 1. 二层与三层叶脊的对比分析： 深入比较使用 VXLAN/EVPN 解决二层扩展性问题的方案与纯三层路由Fabric（如基于 BGP/EVPN 的 Underlay）的优劣。重点讨论 MAC 地址学习和控制平面泛洪（Flood and Learn）的效率问题。 2. EVPN 协议的深入机制： 详述 EVPN（Ethernet VPN）中的 VTEP 发现、MAC/IP 地址的路由学习机制（Type-2/Type-5 Route），以及如何利用 EVPN 实现数据中心东西向流量的无损转发。 3. 数据中心 QoS 与拥塞管理： 探讨在拥塞发生时，如何利用 DCB（Data Center Bridging，如 PFC/ECN）与上层 EVPN 策略相结合，保障 RDMA 或存储流量的带宽和低延迟要求。 --- 第五部分：网络功能虚拟化 (NFV) 与服务链编排 (Service Chaining Orchestration) 探讨如何将传统网络设备的功能（如防火墙、负载均衡器）解耦并虚拟化，部署于通用硬件上，并实现动态服务链。 章节细述： 1. VNF 的部署模型与性能考量： 分析不同类型的 VNF（计算密集型 vs. 吞吐量密集型）对底层硬件加速的需求。探讨 SR-IOV、DPDK 等技术如何提升虚拟网络功能的转发效率。 2. MANO 框架详解： 深入解析 ETSI NFV 管理与编排 (MANO) 框架中的 VNF Manager (VNFM) 和 NFV Orchestrator (NFVO) 的职责划分与协作流程。 3. 动态服务链的构建： 演示如何使用 SDN 控制器或专用的服务链编排工具，根据业务需求动态地将流量导向一系列虚拟功能（防火墙 -> IDS -> 负载均衡器），实现灵活的策略部署。 --- 第六部分：网络安全与自动化运维的融合 (Security Integration and Automation Workflows) 最后一部分将技术聚焦于如何通过自动化工具和安全策略集成，提升网络的可靠性和响应速度。 章节细述： 1. 安全策略的分布式部署： 讨论如何将防火墙策略、ACLs 从中心设备下发到网络边缘设备。重点讲解基于意图的微分段（Micro-segmentation）技术，利用 L2/L3 标签实现东西向流量的严格隔离。 2. 自动化工具链与 CI/CD： 介绍主流的自动化工具（Ansible, Python Nornir）如何与网络配置系统集成。构建一个完整的网络变更管理流程，包括版本控制（Git）、自动化测试（Test Automation）和零接触部署（ZTP）。 3. 网络遥测与主动运维： 替代传统的 SNMP 轮询，系统介绍 gRPC/OpenConfig 等流式遥测机制。分析如何实时采集设备状态数据，并通过流分析（Streaming Telemetry）驱动自动化系统进行预防性维护和故障自愈。 本书特色： 本书的重点在于“如何将前沿理论转化为实际可部署的生产网络”。所有章节均配有基于主流厂商设备（或开源模拟环境）的配置实例和设计考量，帮助读者深入理解每种技术在真实世界中应用时的权衡取舍。本书的目标读者是那些已经掌握基础路由交换知识，并渴望将自己的技能提升到网络架构设计和下一代技术实施层面的专业人士。
作者简介
目录信息
Table of Contents
Introduction xxiv
Objectives xxv
Audience xxvi
Organization xxvii
Conventions and Features xxviii
Foreword 1
Chapter1
Routing Basics
Basic Concepts: Internetworks, Routers, and
Addresses
Bicycles with Motors
Data Link Addresses
Repeaters and Bridges
Routers
Network Addresses
Looking Ahead
Recommended Reading
Review Questions
TCP/IP Review
The TCP/IP Protocol Layers
The IP Packet Header
IP Addresses
The First Octet Rule
Address Masks
Subnets and Subnet Masks
Designing Subnets
Breaking the Octet Boundary
Troubleshooting a Subnet Mask
ARP
Proxy ARP
Gratuitous ARP
Reverse ARP
ICMP
The Host-to-Host Layer
CHAPTER 2 TCP
UDP
Looking Ahead
Summary Table: Chapter 2 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
CHAPTER 3 Static Routing
The Route Table
Configuring Static Routes
Case Study: Simple Static Routes
Case Study: Summary Routes
Case Study: Alternative Routes
Case Study: Floating Static Routes
Case Study: Load Sharing
Per Destination Load Sharing and Fast
Switching
Per Packet Load Sharing and Process
Switching
Case Study: Recursive Table Lookups
Troubleshooting Static Routes
Case Study: Tracing a Failed Route
Case Study: A Protocol Conflict
Looking Ahead
Summary Table: Chapter 3 Command Review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 4 Dynamic Routing Protocols
Routing Protocol Basics
Path Determination
Metrics
Hop Count
Bandwidth
Load
Delay
Reliability
Cost
Convergence
Load Balancing
Distance Vector Routing Protocols
Common Characteristics
Periodic Updates
Neighbors
Broadcast Updates
Full Routing Table Updates
Routing by Rumor
Route Invalidation Timers
Split Horizon
Counting to Infinity
Triggered Updates
Holddown Timers
Asynchronous Updates
Link State Routing Protocols
Neighbors
Link State Flooding
Sequence Numbers
Aging
The Link State Database
The SPF Algorithm
Areas
Interior and Exterior Gatewav Protocols
Static or Dynamic Routing?
Looking Ahead
Recommended Reading
Review Questions
Part 11 Interior Routing Protocols
Chapter 5 Routing Information Protocol (RIP)
Operation of RIP
RIP Timers and Stability Features
RIP Message Format
Request Message Types
Classful Routing
Classful Routing: Directly Connected Subnets
Classful Routing: Summarization at Boundary
Routers
Classful Routing: Summary
Configuring RIP 205
Case Study: A Basic RIP Configuration
Case Study: Passive Interfaces
Case Study: Configuring Unicast Updates
Case Study: Discontiguous Subnets
Case Study: Manipulating RIP Metrics
Troubleshooting RIP
Looking Ahead
Summary Table: Chapter 5 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 6 Interior Gateway Routing Protocol (IGRP)
Operation of IGRP
IGRP Timers and Stability Features
IGRP Metrics
IGRP Packet Format
Configuring IGRP
Case Study: A Basic IGRP Configuration
Case Study: Unequal-Cost Load Balancing
Case Study: Setting Maximum Paths
Case Study: Multiple IGRP Processes
Troubleshooting IGRP 260
Case Study: Unequal-Cost Load Balancing,
Again
Case Study: A Segmented Network
Looking Ahead
Summary Table: Chapter 6 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 7 Routing Information Protocol Version 2
Operation of RIPv2
RIPv2 Message Format
Compatibility with RIPv
Classless Route Lookups
Classless Routing Protocols
Variable-Length Subnet Masking
Authentication
Configuring RIPv2
Case Study: A Basic RIPv2 Configuration
Case Study: Compatibility with RIPvl
Case Study: Using VLSM
Case Study: Discontiguous Subnets and Classless
Routing
Case Study: Authentication
Troubleshooting RIPv2
Case Study: Misconfigured VLSM
Looking Ahead
Summary Table: Chapter 7 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 8 Enhanced Interior Gateway Routing Protocol
(EIGRP)
Operation of EIGRP
Protocol-Dependent Modules
Reliable Transport Protocol
Neighbor Discovery/Recovery
The Diffusing Update Algorithm
DUAL: Preliminary Concepts
The DUAL Finite State Machine
Diffusing Computation: Example 1
Diffusing Computation: Example 2
EIGRP Packet Formats
The EIGRP Packet Header
General TLV Fields
IP-Specific TLV Fields
Address Aggregation
Configuring EIGRP
Case Study: A Basic ETCRP Configuration
Case Study: Redistribution with IGRP
Case Study: Disabling Automatic Summarization
Case Study: Address Aggregation
Authentication
Troubleshooting EIGRP
Case Study: A Missing Neighbor
Stuck-in-Active Neighbors
Looking Ahead
Summary Table: Chapter 8 Command review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 9 Open Shortest Path First
Operation of OSPF
Neighbors and Adjacencies
The Hello Protocol
Network Types
Designated Routers and Backup Designated
Routers
OSPF Interfaces
OSPF Neighbors
Flooding
Areas
Router Types
Partitioned Areas
Virtual Links
The Link State Database
LSA Types
Stub Areas
The Route Table
Destination Types
Path Types
Route Table Lookups
Authentication
OSPF over Demand Circuits
OSPF Packet Formats
The Packet Header
The Hello Packet
The Database Description Packet
The Link State Request Packet
The Link State Update Packet
The Link State Acknowledgment Packet.
OSPF LSA Formats
The LSA Header
The Router LSA
The Network LSA
The Network and ASBR Summary LSAs
The Autonomous System External LSA
The NSSA External LSA
The Options Field
Configuring OSPF
Case Study: A Basic OSPF Configuration
Case Study: Setting Router IDs with Loopback
Interfaces
Case Study: Domain Name Service Lookups
Case Study: OSPF and Secondary Addresses
Case Study: Stub Areas
Case Study: Totally Stubby Areas
Case Study: Not-So-Stubby Areas
Case Study: Address Summarization
Case Study: Authentication
Case Study: Virtual Links
Case Study: OSPF on NBMA Networks
Case Study: OSPF over Demand Circuits
Troubleshooting OSPF
Case Study: An Isolated Area
Case Study: Misconfigured Summarization
Looking Ahead
Summary Table: Chapter 9 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 10 Integrated IS-IS 592
Operation of Integrated IS-IS
IS-IS Areas
Network Entity Titles
IS-IS Functional Organization
Subnetwork Dependent Functions
Subnetwork Independent Functions
IS-IS PDU Formats
CLV Fields
The IS-IS Hello PDU Format
The IS-IS Link State PDU Format
The IS-IS Sequence Numbers PDU Format
Configuring Integrated IS-IS
Case Study: A Basic Integrated IS-IS
Configuration
Case Study: Changing the Router Types
Case Study: An Area Migration
Case Study: Route Summarization
Case Study: Authentication
Troubleshooting Integrated IS-IS
Troubleshooting IS-IS Adjacencies
Troubleshooting the IS-IS Link State Database
Case Study: Integrated IS-IS on NBMA
Networks
Looking Ahead
Summary Table: Chapter 10 Command Review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Part 111 Route Control and Interoperability
Chapter 11 Route Redistribution
Principles of Redistribution
Metrics
Administrative Distances
Redistributing from Classless to Classful
Protocols
Configuring Redistribution
Case Study: Redistributing IGRP and RIP
Case Study: Redistributing EIGRP and OS
Case Study: Redistribution and Route
Summarization
Case Study: Redistributing IS-IS and RIP
Case Study: Redistributing Static Routes
Looking Ahead
Summary Table: Chapter 11 Command Review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 12 Default Routes and On-Demand Routing
Fundamentals of Default Routes
Fundamentals of On-Demand Routing
Configuring Default Routes and ODR
Case Study: Static Default Routes
Case Study: The Default-Network Command
Case Study: The Default-Information Originate
Command
Case Study: Configuring On-Demand Routing
Looking Ahead
Summary Table: Chapter 12 Command Review
Review Questions
Chapter 13 Route Filtering
Configuring Route Filters
Case Study: Filtering Specific Routes
Case Study: Route Filtering and Redistribution
Case Study: A Protocol Migration
Case Study: Multiple Redistribution Points
Case Study: Using Distances to Set Router Pref-
erences
Looking Ahead
Summary Table: Chapter 13 Command Review
Configuration Exercises
Troubleshooting Exercises
Chapter 14 Route Maps
Basic Uses of Route Maps
Configuring Route Maps
Case Study: Policy Routing
Case Study: Policy Routing and Quality of Ser-
vice Routing
Case Study: Route Maps and Redistribution
Case Study: Route Tagging
Looking Ahead
Summary Table: Chapter 14 Command Review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Part IV Appendixes
Appendix A Tutoriat: Working with Binary and Hex
Working with Binary Numbers
Working with Hexadecimal Numbers
Appendix B Tutorial: Access Lists
Access List Basics
Implicit Deny Any
Sequentiality
Access List Types
Editing Access Lists
Standard IP Access Lists
Extended IP Access Lists
TCP Access Lists
UDP Access Lists
ICMP Access Lists
Calling the Access List
Keyword Alternatives
Named Access Lists
Filter Placement Considerations
Access List Monitoring and Accounting
Appendix C CCIE Preparation Tips
Laying the Foundations
Hands-On Experience
Intensifying the Study
The Final Six Months
Exam Day 889
Appendix D Answers to Review Questions
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 14
Appendix E Solutions to Configuration Problems
Chapter 2
Chapter 3
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapterll
Chapter 13
Chapter 14
Appendix F Solutions to Troubleshooting Exercises
Chapter 2
Chapter 3
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 13
Chapter 14
Index
· · · · · · (收起)
Introduction xxiv
Objectives xxv
Audience xxvi
Organization xxvii
Conventions and Features xxviii
Foreword 1
Chapter1
Routing Basics
Basic Concepts: Internetworks, Routers, and
Addresses
Bicycles with Motors
Data Link Addresses
Repeaters and Bridges
Routers
Network Addresses
Looking Ahead
Recommended Reading
Review Questions
TCP/IP Review
The TCP/IP Protocol Layers
The IP Packet Header
IP Addresses
The First Octet Rule
Address Masks
Subnets and Subnet Masks
Designing Subnets
Breaking the Octet Boundary
Troubleshooting a Subnet Mask
ARP
Proxy ARP
Gratuitous ARP
Reverse ARP
ICMP
The Host-to-Host Layer
CHAPTER 2 TCP
UDP
Looking Ahead
Summary Table: Chapter 2 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
CHAPTER 3 Static Routing
The Route Table
Configuring Static Routes
Case Study: Simple Static Routes
Case Study: Summary Routes
Case Study: Alternative Routes
Case Study: Floating Static Routes
Case Study: Load Sharing
Per Destination Load Sharing and Fast
Switching
Per Packet Load Sharing and Process
Switching
Case Study: Recursive Table Lookups
Troubleshooting Static Routes
Case Study: Tracing a Failed Route
Case Study: A Protocol Conflict
Looking Ahead
Summary Table: Chapter 3 Command Review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 4 Dynamic Routing Protocols
Routing Protocol Basics
Path Determination
Metrics
Hop Count
Bandwidth
Load
Delay
Reliability
Cost
Convergence
Load Balancing
Distance Vector Routing Protocols
Common Characteristics
Periodic Updates
Neighbors
Broadcast Updates
Full Routing Table Updates
Routing by Rumor
Route Invalidation Timers
Split Horizon
Counting to Infinity
Triggered Updates
Holddown Timers
Asynchronous Updates
Link State Routing Protocols
Neighbors
Link State Flooding
Sequence Numbers
Aging
The Link State Database
The SPF Algorithm
Areas
Interior and Exterior Gatewav Protocols
Static or Dynamic Routing?
Looking Ahead
Recommended Reading
Review Questions
Part 11 Interior Routing Protocols
Chapter 5 Routing Information Protocol (RIP)
Operation of RIP
RIP Timers and Stability Features
RIP Message Format
Request Message Types
Classful Routing
Classful Routing: Directly Connected Subnets
Classful Routing: Summarization at Boundary
Routers
Classful Routing: Summary
Configuring RIP 205
Case Study: A Basic RIP Configuration
Case Study: Passive Interfaces
Case Study: Configuring Unicast Updates
Case Study: Discontiguous Subnets
Case Study: Manipulating RIP Metrics
Troubleshooting RIP
Looking Ahead
Summary Table: Chapter 5 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 6 Interior Gateway Routing Protocol (IGRP)
Operation of IGRP
IGRP Timers and Stability Features
IGRP Metrics
IGRP Packet Format
Configuring IGRP
Case Study: A Basic IGRP Configuration
Case Study: Unequal-Cost Load Balancing
Case Study: Setting Maximum Paths
Case Study: Multiple IGRP Processes
Troubleshooting IGRP 260
Case Study: Unequal-Cost Load Balancing,
Again
Case Study: A Segmented Network
Looking Ahead
Summary Table: Chapter 6 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 7 Routing Information Protocol Version 2
Operation of RIPv2
RIPv2 Message Format
Compatibility with RIPv
Classless Route Lookups
Classless Routing Protocols
Variable-Length Subnet Masking
Authentication
Configuring RIPv2
Case Study: A Basic RIPv2 Configuration
Case Study: Compatibility with RIPvl
Case Study: Using VLSM
Case Study: Discontiguous Subnets and Classless
Routing
Case Study: Authentication
Troubleshooting RIPv2
Case Study: Misconfigured VLSM
Looking Ahead
Summary Table: Chapter 7 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 8 Enhanced Interior Gateway Routing Protocol
(EIGRP)
Operation of EIGRP
Protocol-Dependent Modules
Reliable Transport Protocol
Neighbor Discovery/Recovery
The Diffusing Update Algorithm
DUAL: Preliminary Concepts
The DUAL Finite State Machine
Diffusing Computation: Example 1
Diffusing Computation: Example 2
EIGRP Packet Formats
The EIGRP Packet Header
General TLV Fields
IP-Specific TLV Fields
Address Aggregation
Configuring EIGRP
Case Study: A Basic ETCRP Configuration
Case Study: Redistribution with IGRP
Case Study: Disabling Automatic Summarization
Case Study: Address Aggregation
Authentication
Troubleshooting EIGRP
Case Study: A Missing Neighbor
Stuck-in-Active Neighbors
Looking Ahead
Summary Table: Chapter 8 Command review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 9 Open Shortest Path First
Operation of OSPF
Neighbors and Adjacencies
The Hello Protocol
Network Types
Designated Routers and Backup Designated
Routers
OSPF Interfaces
OSPF Neighbors
Flooding
Areas
Router Types
Partitioned Areas
Virtual Links
The Link State Database
LSA Types
Stub Areas
The Route Table
Destination Types
Path Types
Route Table Lookups
Authentication
OSPF over Demand Circuits
OSPF Packet Formats
The Packet Header
The Hello Packet
The Database Description Packet
The Link State Request Packet
The Link State Update Packet
The Link State Acknowledgment Packet.
OSPF LSA Formats
The LSA Header
The Router LSA
The Network LSA
The Network and ASBR Summary LSAs
The Autonomous System External LSA
The NSSA External LSA
The Options Field
Configuring OSPF
Case Study: A Basic OSPF Configuration
Case Study: Setting Router IDs with Loopback
Interfaces
Case Study: Domain Name Service Lookups
Case Study: OSPF and Secondary Addresses
Case Study: Stub Areas
Case Study: Totally Stubby Areas
Case Study: Not-So-Stubby Areas
Case Study: Address Summarization
Case Study: Authentication
Case Study: Virtual Links
Case Study: OSPF on NBMA Networks
Case Study: OSPF over Demand Circuits
Troubleshooting OSPF
Case Study: An Isolated Area
Case Study: Misconfigured Summarization
Looking Ahead
Summary Table: Chapter 9 Command Review
Recommended Reading
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 10 Integrated IS-IS 592
Operation of Integrated IS-IS
IS-IS Areas
Network Entity Titles
IS-IS Functional Organization
Subnetwork Dependent Functions
Subnetwork Independent Functions
IS-IS PDU Formats
CLV Fields
The IS-IS Hello PDU Format
The IS-IS Link State PDU Format
The IS-IS Sequence Numbers PDU Format
Configuring Integrated IS-IS
Case Study: A Basic Integrated IS-IS
Configuration
Case Study: Changing the Router Types
Case Study: An Area Migration
Case Study: Route Summarization
Case Study: Authentication
Troubleshooting Integrated IS-IS
Troubleshooting IS-IS Adjacencies
Troubleshooting the IS-IS Link State Database
Case Study: Integrated IS-IS on NBMA
Networks
Looking Ahead
Summary Table: Chapter 10 Command Review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Part 111 Route Control and Interoperability
Chapter 11 Route Redistribution
Principles of Redistribution
Metrics
Administrative Distances
Redistributing from Classless to Classful
Protocols
Configuring Redistribution
Case Study: Redistributing IGRP and RIP
Case Study: Redistributing EIGRP and OS
Case Study: Redistribution and Route
Summarization
Case Study: Redistributing IS-IS and RIP
Case Study: Redistributing Static Routes
Looking Ahead
Summary Table: Chapter 11 Command Review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Chapter 12 Default Routes and On-Demand Routing
Fundamentals of Default Routes
Fundamentals of On-Demand Routing
Configuring Default Routes and ODR
Case Study: Static Default Routes
Case Study: The Default-Network Command
Case Study: The Default-Information Originate
Command
Case Study: Configuring On-Demand Routing
Looking Ahead
Summary Table: Chapter 12 Command Review
Review Questions
Chapter 13 Route Filtering
Configuring Route Filters
Case Study: Filtering Specific Routes
Case Study: Route Filtering and Redistribution
Case Study: A Protocol Migration
Case Study: Multiple Redistribution Points
Case Study: Using Distances to Set Router Pref-
erences
Looking Ahead
Summary Table: Chapter 13 Command Review
Configuration Exercises
Troubleshooting Exercises
Chapter 14 Route Maps
Basic Uses of Route Maps
Configuring Route Maps
Case Study: Policy Routing
Case Study: Policy Routing and Quality of Ser-
vice Routing
Case Study: Route Maps and Redistribution
Case Study: Route Tagging
Looking Ahead
Summary Table: Chapter 14 Command Review
Review Questions
Configuration Exercises
Troubleshooting Exercises
Part IV Appendixes
Appendix A Tutoriat: Working with Binary and Hex
Working with Binary Numbers
Working with Hexadecimal Numbers
Appendix B Tutorial: Access Lists
Access List Basics
Implicit Deny Any
Sequentiality
Access List Types
Editing Access Lists
Standard IP Access Lists
Extended IP Access Lists
TCP Access Lists
UDP Access Lists
ICMP Access Lists
Calling the Access List
Keyword Alternatives
Named Access Lists
Filter Placement Considerations
Access List Monitoring and Accounting
Appendix C CCIE Preparation Tips
Laying the Foundations
Hands-On Experience
Intensifying the Study
The Final Six Months
Exam Day 889
Appendix D Answers to Review Questions
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 14
Appendix E Solutions to Configuration Problems
Chapter 2
Chapter 3
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapterll
Chapter 13
Chapter 14
Appendix F Solutions to Troubleshooting Exercises
Chapter 2
Chapter 3
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 13
Chapter 14
Index
· · · · · · (收起)
读后感
用户评价
作为一名计算机专业的学生，对于网络通信原理一直有着浓厚的兴趣，尤其是 TCP/IP 协议栈，更是学习的重点和难点。在寻找相关的学习资料时，我经常会遇到一些过于理论化或者过于碎片化的书籍，很难建立起一个完整的知识体系。当我看到《TCP/IP路由技术第1卷》这本书的介绍时，我被它“技术”这个关键词所吸引，并且“路由技术”更是我一直想深入了解的领域。虽然我目前还没有完全掌握书中的所有概念，但我已经开始尝试去理解其中的一些基础知识，比如 IP 地址的划分、子网掩码的概念等，这些都是构建路由体系的基石。我希望通过阅读这本书，能够将理论知识与实际应用相结合，为我未来的职业发展打下坚实的基础。这本书的出版，无疑为许多像我一样的学生提供了一个宝贵的学习资源。
作为一名对互联网发展史和技术演进着迷的爱好者，我一直对 TCP/IP 协议栈的诞生和发展充满好奇。我知道 TCP/IP 是现代互联网的基石，而路由技术则是支撑起这个庞大网络的关键。我希望通过阅读《TCP/IP路由技术第1卷》，能够了解路由技术是如何一步步发展起来的，以及它在早期互联网建设中扮演的角色。我不是一名专业的网络工程师，但我对其中的技术原理和发展脉络非常感兴趣。我期待这本书能够以一种易于理解的方式，向我展示路由技术的魅力，让我能够更深刻地认识到互联网是如何连接世界的。我对这本书充满期待，希望它能带我走进一个精彩的技术世界。
最近我一直在关注网络安全领域的发展，而网络安全与底层的网络技术是密不可分的。我了解到，很多网络攻击和防御的策略都与路由器的配置和运行机制息息相关。因此，我开始寻找关于 TCP/IP 路由技术的专业书籍，希望能够从更根本的层面理解网络是如何工作的。这本书的出现，恰好满足了我的需求。尽管我主要关注的是安全方面，但我相信，深入理解路由技术，能够帮助我更好地分析网络流量，识别潜在的安全威胁，并制定更有效的防御措施。我特别期待书中关于路由策略和拥塞控制的内容，这些对于构建一个稳定、安全的网络环境至关重要。这本书的专业性和深度，让我对其充满了期待。
这本书的封面设计就很有吸引力，厚实的纸张，清晰的字体，散发着一股专业的气息。我本身就是一位网络工程师，日常工作离不开对网络协议的深入理解，尤其是 TCP/IP 相关的知识，更是我的看家本领。最近在整理和学习过程中，偶然发现了这本书，虽然还没有来得及深入翻阅，但仅从目录和一些章节的标题来看，我就能感受到其内容的深度和广度。特别是关于路由协议的介绍，比如 OSPF、BGP 等，这些都是我工作中经常接触到的，但有时候会觉得理解不够透彻，这本书的出现无疑给我提供了一个绝佳的学习机会。我期待能够通过这本书，更系统、更全面地掌握这些核心路由技术，从而在实际工作中能够更加游刃有余，解决更复杂的问题。我对这本书的品质和内容充满信心，相信它会成为我案头的常备参考书。
我是一名 IT 行业的从业者，日常工作中会接触到各种网络设备和技术，其中路由器的配置和管理是必不可少的一部分。我发现，很多时候我们只是在按照现有的配置进行操作，但对于其背后的原理并不甚了解，这在排查问题或者优化网络性能时会遇到很多瓶颈。因此，我一直在寻找一本能够系统讲解 TCP/IP 路由技术的书籍。《TCP/IP路由技术第1卷》这本书，从书名来看，就非常符合我的需求。我期待能够通过这本书，深入理解路由表的工作机制、各种路由协议的优缺点以及它们在实际网络中的应用。我相信，掌握了这些核心知识，能够极大地提升我在网络架构设计和故障排除方面的能力。
经典
经典
看了
经典
经典
