ＭＰＬＳ和ＶＰＮ体系结构ＣＣＩＰ版（英文 mobi 下载 网盘 caj lrf pdf txt 阿里云

本书涵盖了MPLS的理论、配置和网络设计方面的主要内容以及一种主要的MPLS应用——基于MPLS的VPN。本书通过配置范例、设计和部署指南以及大量的案例研究，阐述了MPLS/VPN的体系结构及其所有的机制；同时介绍了MPLS故障诊断、MPLS/VPN故障诊断，并在每章的后提供了自测题，以帮助读者准备CCIP MPLS考试。本书共17章。第1～7章介绍MPLS技术及其配置，包括帧模式MPLS和信元模式MPLS、在交换式WAN介质上运行帧模式MPLS、高级MPLS主题、MPLS迁移和配置案例研究以及MPLS故障诊断等；第8-17章介绍了基于MPLS的虚拟专网，包括实现虚拟专网的方式、MPLS/VPN体系结构、提供商边缘到客户边缘的连接方式、高级MPLS/VPN拓扑、高级MPLS/VPN主题、MPLS/VPN部署指南、运营商的运营商VPN解决方案、IP隧道技术到MPLS/VPN的迁移案例研究以及MPLS/VPN故障诊断等。

本书是CCIP考生准备MPLS VPN考试的推荐教材，也是理解、设计和部署基于MPLS的VPN的实用指南。通过阅读本书，可极大地增加CCIP考生通过MPLS VPN考试的机会；而网络工程师和管理员则可以利用本书快速、高效地学习MPLS和VPN技术。

Part I　MPLS Technology and Configuration　3

Chapter 1　Multiprotocol Label Switching (MPLS) Architecture Overview　5

* Scalability and Flexibility of IP-based Forwarding　5

·Network Layer Routing Paradigm　5

·Differentiated Packet Servicing　9

·Independent Forwarding and Control　10

·External Routing Information Propagation　10

* Multiprotocol Label Switching (MPLS) Introduction　11

·MPLS Architecture-The Building Blocks　13

·Label Imposition at the Network Edge　15

·MPLS Packet Forwarding and Label Switched Paths　17

* Other MPLS Applicati***　19

* Summary　20

* Review Questi***　21

Chapter 2　Frame-mode MPLS Operation　23

* Frame-mode MPLS Data Plane Operation　25

·MPLS Label Stack Header　26

·Label Switching in Frame-mode MPLS　28

* Label Bindings and Propagation in Frame-mode MPLS　31

·LDP/TDP Session Establishment　31

·Label Binding and Distribution　34

·Convergence in a Frame-mode MPLS Network　37

* Penultimate Hop Popping　40

* MPLS In***ction with Border Gateway Protocol　42

* Summary　45

* Review Questi***　46

Chapter 3　Cell-mode MPLS Operation　49

* Control-plane Connectivity Across an LC-ATM Interface　51

·MPLS Control-plane Connectivity in Cisco IOS Software　52

·Control-plane Implementation in an ATM Switch　54

* Labeled Packet Forwarding Across an ATM-LSR Domain　55

* Label Allocation and Distribution Across an ATM-LSR Domain　56

·VC Merge　58

·Convergence Across an ATM-LSR Domain　61

* Summary　62

* Review Questi***　63

Chapter 4　Running Frame-mode MPLS Across Switched WAN Media　65

* Frame-mode MPLS Operation Across Frame Relay　65

* Frame-mode MPLS Operation Across ATM PVCs　67

·Frame-mode and Cell-mode MPLS Across the Same ATM Interface　69

* Summary　70

* Review Questi***　71

Chapter 5　Advanced MPLS Topics　73

* Controlling the Distribution of Label Mappings　73

* MPLS Encapsulation Across Ethernet Links　77

·IP MTU Path Discovery　78

·Ethernet Switches and MPLS MTU　80

* MPLS Loop Detection and Prevention　81

·Loop Detection and Prevention in Frame-mode MPLS　81

·Loop Detection and Prevention in Cell-mode MPLS　82

* Traceroute Across an MPLS-enabled Network　88

* Route Summarization Within an MPLS-enabled Network　92

* Summary　93

* Review Questi***　94

Chapter 6　MPLS Migration and Configuration Case Study　97

* Migration of the Backbone to a Frame-mode MPLS Solution　97

* Pre-migration Infrastructure Checks　99

·Cisco Express Forwarding (CEF) Requirements　100

* Addressing the Internal BGP Structure　101

* Migration of Internal Links to MPLS　103

* Removal of Unnecessary BGP Peering Sessi***　105

* Migration of an ATM-based Backbone to Frame-mode MPLS　106

·Cell-mode MPLS Migration　108

* Summary　110

* Review Questi***　111

Part II　MPLS-based Virtual Private Networks　113

Chapter 7　MPLS Troubleshooting　115

* Quick MPLS-related Checks　116

·Is CEF Enabled Globally?　116

·Is MPLS Enabled?　116

·Is MPLS Enabled on All Interfaces?　117

* MPLS Control Plane Troubleshooting　118

·Verify Local TDP/LDP Parameters　118

·Verify Correct Operation of TDP/LDP Hello Protocol　118

·Check TDP/LDP Sessi***　120

·Check the Label Exchange　121

* MPLS Data Plane Troubleshooting　122

·Monitoring Interface-level CEF　122

·Monitoring End-to-end MPLS Path　123

·Oversized Packet Issues　124

* Summary　125

* Review Questi***　126

Chapter 8　Virtual Private Network (VPN) Implementation Opti***　129

* Virtual Private Network Evolution　129

·Modern Virtual Private Networks　132

* Business Problem-based VPN Classification　132

* Overlay and Peer-to-peer VPN Model　135

·Overlay VPN Model　135

·Peer-to-peer VPN Model　138

* Typical VPN Network Topologies　143

·Hub-and-spoke Topology　144

·Partial- or Full-mesh Topology　148

·Hybrid Topology 150

·Simple Extranet Topology　150

·Central-services Extranet　152

·VPDN Topology　155

·Managed Network VPN Topology　157

* Summary　158

* Review Questi***　159

Chapter 9　MPLS/VPN Architecture Overview　161

* Case Study: Virtual Private Networks in SuperCom Service Provider Network　162

* VPN Routing and Forwarding Tables　165

* Overlapping Virtual Private Networks　167

* Route Targets　171

* Propagation of VPN Routing Information in the Provider Network　172

·Multiprotocol BGP in the SuperCom Network　174

* VPN Packet Forwarding　177

* Summary　179

* Review Questi***　180

Chapter 10　MPLS/VPN Architecture Operation　183

* Case Study: Basic MPLS/VPN Intranet Service　184

* Configuration of VRFs　186

* Route Distinguishers and VPN-IPv4 Address Prefixes　187

·Configuration of the Route Distinguisher　191

* BGP Extended Community Attribute　193

·Route Target BGP Extended Community　194

·Site of Origin BGP Extended Community　196

·BGP Extended Community Attribute Format　198

* Basic PE-to-CE Link Configuration　200

·PE-to-CE Link Configuration-Static Routing　200

·PE-to-CE Link Configuration-RIP Version 2　202

* Association of Interfaces to VRFs　204

* Multiprotocol BGP Usage and Deployment　204

·Configuration of Multiprotocol BGP　207

·Enhanced BGP Decision Process for VPN-IPv4 Prefixes　211

* Outbound Route Filtering (ORF) and Route Refresh Features　213

·Automatic Route Filtering on PE Routers　213

·Refreshing Routing Information Between PE Routers　215

·ORF for PE Routers　218

* MPLS/VPN Data Plane-Packet Forwarding　220

·Summary　221

·Review Questi***　222

Chapter 11　Provider Edge (PE) to Customer Edge (CE) Connectivity Opti***　225

* VPN Customer Access into the MPLS/VPN Backbone　225

* BGP-4 Between Service Provider and Customer Networks　227

* Open Shortest Path First (OSPF) Between PE and CE Routers　230

* Separation of VPN Customer Routing Information　232

* Propagation of OSPF Routes Across the MPLS/VPN Backbone　235

·BGP Extended Community Attribute for OSPF Routes　237

* PE-to-CE Connectivity-OSPF with Site Area 0 Support　238

* PE-to-CE Connectivity-OSPF Without Site Area 0 Support　242

* VPN Customer Connectivity-MPLS/VPN Design Choices　244

·Migrating Customers Using iBGP in Their Network to MPLS/VPN Service　248

·Autonomous System Number Override　250

* Summary　253

* Review Questi***　253

Chapter 12　Advanced MPLS/VPN Topologies　255

* Intranet and Extranet Integration　255

* Central Services Topology　258

* MPLS/VPN Hub-and-spoke Topology　261

·Deployment of the AllowAS-in Feature　264

* Summary　266

* Review Questi***　267

Chapter 13　Advanced MPLS/VPN Topics　269

* MPLS/VPN: Scaling the Solution　271

* Routing Convergence Within an MPLS-enabled VPN Network　271

·Convergence Within the Service Provider Backbone　273

·Convergence Between VPN Sites　275

* Adverti***t of Routes Across the Backbone　280

·BGP for VPN-IPv4 and IPv4 Routing Information　281

·Full Mesh of MP-iBGP Between PE Routers　285

·Separation of MP-iBGP Sessi*** Between PE Routers　286

* Introduction of Route Reflector Hierarchy　288

·Route Reflection of PE Routes to Aid Scaling　290

·Route Reflector Partitioning　292

·Standard Community Filtering on PE Routers　294

·Route Target Attribute-based Filtering on Route Reflectors　297

·Route Reflection and ORF Capability　299

* BGP Confederati*** Deployment　300

·BGP Confederati***-Single IGP Environment　305

·BGP Confederati***-Multiple IGP Environment　306

* PE Router Provisioning and Scaling　311

* Additional Connectivity Requirements-Internet Access　312

* Internet Connectivity Through Firewalls　313

* Internet Access-Static Default Routing　315

* Separate BGP Session Between PE and CE Routers　320

* Internet Connectivity Through Dynamic Default Routing　328

·Dynamic Default Routing-Route Target Assignment　328

·Association of the Global Routing Table with a VRF　330

* Additional Lookup in the Global Routing Table　334

* Internet Connectivity Through a Different Service Provider　335

* Summary　336

* Review Questi***　337

Chapter 14　Guidelines for the Deployment of MPLS/VPN　339

* Introduction to MPLS/VPN Deployment　339

* IGP to BGP Migration of Customer Routes　339

* Multiprotocol BGP Deployment in an MPLS/VPN Backbone　344

·VPN Routes and Next-hop Forwarding　345

·PE Router Loopback Address Configuration　348

* MPLS/VPN Deployment on LAN Interfaces　355

* Network Management of Customer Links　358

·Adverti***t of Routes with Different Extended Communities　359

·Use of Standard BGP Communities for Route Filtering　363

·Adverti***t of Routes with Different Route Targets Using Export Maps　368

* Use of Traceroute Across an MPLS/VPN Backbone　371

* Summary　374

* Review Questi***　375

Chapter 15　Carrier's Carrier and Inter-provider VPN Soluti***　377

* Carrier's Carrier Solution Overview　378

* Carrier's Carrier Architecture-Topologies　381

·ISP with No MPLS Deployment Within POP Sites　382

·ISP with MPLS Deployed Within POP Sites　388

* Hierarchical Virtual Private Networks　392

* Inter-provider VPN Soluti***　394

·Inter-provider VPN-Exchange of VPN-IPv4 Across Boundaries　396

·Inter-provider VPN-Multi-hop eBGP Between Customer Sites　402

* Summary　404

* Review Questi***　405

Chapter 16　IP Tunneling to MPLS/VPN Migration Case Study　407

* Existing VPN Solution Deployment-IP Tunneling　408

* Definition of VPNs and Routing Policies for PE Routers　410

* Definition of VRFs Within the Backbone Network　411

* VRF and Routing Polices for SampleNet VPN Sites　412

* VRF and Routing Policies for SampleNet Internet Access　413

* VRF and Routing Policies for Internet Access Customers　414

* MPLS/VPN Migration-Staging and Execution　414

·Migration of the SampleNet Central Site　415

* Configuration of MP-iBGP on BGP Route Reflectors　418

* Configuration of MP-iBGP on TransitNet PE Routers　420

* Migration of VPN Sites onto the MPLS/VPN Solution　421

* Summary　421

* Review Questi***　423

Chapter 17　MPLS VPN Troubleshooting　425

* Quick MPLS-related Checks　426

·Pinging Between the CE Routers　426

·Checking for an End-to-end LSP Between PE Routers　428

·Checking for CEF Switching　429

* In-depth MPLS VPN Troubleshooting　430

·Checking the Egress CE-to-PE Routing Exchange　432

·Checking the Route Export Functionality　434

·Checking the Propagation of MPLS VPN Routes　436

·Checking the Route Import Functionality　437

·Checking the Ingress PE-to-CE Routing Exchange　439

* Summary　441

* Review Questi***　441

Appendix A　Answers to Review Questi***　443

Appendix B　Tag-switching and MPLS Command Reference　461

Index　465

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书籍介绍

《MPLS和VPN体系结构CCIP(英文版)》是理解、设计和部署基于MPLS的VPN的实用指南，涵盖了MPLS的理论、配署和网络设计方面的主题以及一种主要的MPLS应用——基于MPLS的VPN。《MPLS和VPN体系结构CCIP(英文版)》通过配置范例、设计和部署指南以及大量的案例研究阐述了MPLS/VPN的体系结构及其所有的机制。

《MPLS和VPN体系结构CCIP(英文版)》是在第一版的基础上修订而成的，新增了CCIP CPLS考试的内容，包括MPLS故障诊断、MPLS/VPN故障诊断以及每章最后的自测题，以帮助读者备考CCIP MPLS考试。将MPLS作为选考科目的考生将发现，《MPLS和VPN体系结构CCIP(英文版)》对备考有极大的参考价值。

多协议标签交换（MPLS）是一种新技术，能提供高性能的分组转发，其当前最为广泛的应用是在虚拟专网（VPN）方面。MPLS-enabledVPN的推出，使得网络设计人员能够更好地扩展网络。

·提供详细的技术细节和复习题，帮助备考CCIP MPIS考试：

·深入分析多协议标签交换（MPLS）体系结构；

·帮助您学习MPLS如何扩展，以支持成千上成个虚拟专网（VPN）；

·大量的案例研究引领您了解设计和部署实际的MPLS/VPN网络的方法；

·配置实例和指南协助您在Cisco设备上配置MPLS；

·设计和实现选项帮助您构建各种VPN拓扑。