Junos Enterprise Routing: A Practical Guide to Junos Software and Enterprise Certification
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Written by the instructors and creators of the JNTCP-ER Certification Exams, JUNOS Enterprise Routing is the only comprehensive book for Juniper enterprise and edge routing environments. It offers complete coverage of all the services available to the JUNOS administrator, including JUNOS Enhanced Services (ES). This book is the official study guide for all three Juniper Enterprise Routing certification exams, and is highly recommended reading to pass the exams. With its field-guide emphasis on practical solutions, you can easily take the book beyond the classroom and into working networks as a design, maintenance, and troubleshooting reference par excellence. JUNOS Enterprise Routing covers all three certification exams in this track: Juniper Networks Certified Internet Associate (JNCIA-ER) Juniper Networks Certified Internet Specialist (JNCIS-ER) Juniper Networks Certified Internet Expert (JNCIE-ER) With more services such as voice, conference, and multicast on the IP router platform, the market for enterprise routers is growing exponentially, and the need for certified engineers to keep up with network developments in protocols and security is paramount. For everyone who works with Juniper enterprise and edge routing environments, this is a must-have book.
Foreword ixCredits xiiiPreface xvIntroduction to JUNOS Enterprise Routing 1JUNOS Overview 3CLI Review 4Advanced CLI and Other Cool Stuff 24Conclusion 25Exam Topics 25Chapter Review Questions 26Chapter Review Answers 28Interfaces 30Permanent Interfaces 30Transient Interfaces 32Interface Properties 38Interface Configuration Examples 41Interface Troubleshooting 59Conclusion 67Exam Topics 67Chapter Review Questions 68Chapter Review Answers 70Protocol Independent Properties and Routing Policy 71Protocol Independent Properties 72Routing Policy 90Conclusion 111Exam Topics 111Chapter Review Questions 112Chapter Review Answers 115Interior Gateway Protocols and Migration Strategies 117IGP Overview 118RIP DeploymentScenario 134IGP Migration 156Overlay Migration Scenario: RIP to OSPF 163EIGRP-to-OSPF Migration 180Conclusion 195Exam Topics 195Chapter Review Questions 196Chapter Review Answers 198Border Gateway Protocol and Enterprise Routing Policy 200What Is BGP? 200Internal and External BGP 207BGP and the Enterprise 212Asymmetric Link Speed Support 214BGP Deployment: Asymmetric Load Balancing 219Enterprise Routing Policy 244Multihome Beer-Co 247Inbound Policy 271Conclusion 287Exam Topics 288Chapter Review Questions 289Chapter Review Answers 291Access Security 293Security Concepts 293Securing Access to the Router 295Firewall Filters 307Spoof Prevention (uRPF) 326Monitoring the Router 333Conclusion 343Exam Topics 343Chapter Review Questions 344Chapter Review Answers 346Introduction to JUNOS Services 347JUNOS Services 348Layer 2 Services 350Layer 3 Services 362Layer 3 Services Configuration 369Additional Service Options 390Conclusion 395Exam Topics 396Chapter Review Questions 396Chapter Review Answers 398Advanced JUNOS Services 399Route Tables and Next Hop Service Sets 399IPSec VPNs 406NAT 434Combining Services 450The Life of a Packet 457Conclusion 460Exam Topics 460Chapter Review Questions 461Chapter Review Answers 463Class of Service 464What Is IP CoS, and Why Do I Need It? 464IP Differentiated Services 481M7i and J-Series CoS Capabilities 490DiffServ CoS Deployment and Verification 518J-Series Adaptive Shapers and Virtual Channels 553Conclusion 560Exam Topics 561Chapter Review Questions 561Chapter Review Answers 564IP Multicast in the Enterprise 566What Is Multicast? 566Multicast Protocols 582PIM Sparse Mode: Static RP 592Configure PIM Sparse Mode with Bootstrap RP 617PIM-Based Anycast-RP 629Conclusion 639Exam Topics 640Chapter Review Questions 640Chapter Review Answers 642JUNOS Software with Enhanced Services 644JUNOS Software with Enhanced Services Overview 644Migrating from JUNOS to JUNOS Software with Enhanced Services 652Service Migration Case Study: JUNOS to JUNOS Software with Enhanced Services 673Conclusion 692Exam Topics 692Chapter Review Questions 692Chapter Review Answers 694Glossary 695Index 753
