MPLS and VPN Architectures, CCIP Edition · Read more KnowledgeNet Advanced MPLS VPN Solutions (AMVS) Student Guide. Read more. MPLS and VPN Architectures, Volume II, begins with a brief refresher of the MPLS VPN. Architecture. Part II describes advanced MPLS VPN connectivity. Difference: packets are differentiated by MPLS Traffic Class bits. MPLS Domain. CE. PE. P. P. QoS in MPLS VPN Architecture. DSCP. MPLS.
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8. MPLS/VPN Architecture Overview. Case Study: Virtual Private Networks in SuperCom Service Provider Network. VPN Routing and Forwarding Tables. approach to preparing for that almighty lab, Cisco has opened doors proficiency with LAN and WAN MPLS and VPN Architectures Volume II, Cisco Press. Cisco VPN Solutions Center: MPLS Solution Provisioning and Operations Guide . While the basic unit of interconnection is the site, the MPLS VPN architecture.
Because it's the last step toward getting the CCIP certification—no small feat in itself. Alex Foreman. This book would do you a disservice if it didn't attempt to help you learn the material. Gail Watt. The book is split in two parts: This book is not designed to be a general networking topics book, although it can be used for that purpose.
In order to learn more about instructor-led, e-learning, and handson instruction offered by Cisco Learning Partners worldwide, please visit. He has over 10 years experience in designing, installing, troubleshooting, and operating large service provider and enterprise WAN and LAN networks.
He joined NIL as technical director in Pepelnjak was also one of the first experts in the world to become certified to teach Cisco Systems' service-provider learning solutions. His breadth of industry knowledge, hands-on experience, and understanding of complex internetworking architectures enable him to provide a detailed insight into the new world of MPLS and its deployment.
He has led several engineering groups responsible for designing and implementing enterprise LANs and international IP networks. While working for a major international telecommunications company, his group was instrumental in developing an industry-leading service based on Cisco's MPLS solution.
He holds a bachelor's of science degree in electrical engineering from the University of Pittsburgh. Mark resides in northern Virginia with his wife, Betsy, and son, Paul. Saeed Sardar is a software development and testing engineer working in the High Speed Switching group for Cisco Systems, responsible for all aspects of IOS services for catalyst family of products. His areas of specialty include Cisco Catalyst Multilayer switches, Cisco routers, intelligent LAN super cards, network protocols, and network operating systems.
He was also kind enough to act as one of the reviewers of the first edition of this book, making sure that the book thoroughly and correctly covers all relevant MPLS aspects. Every major project is a result of teamwork and this book is no exception. We'd like to thank everyone who helped us in the writing process—the editorial and production team from Cisco Press, including but not limited to Christopher Cleveland, John Kane, and Amy Lewis, as well as our technical reviewers, Mark Gallo, and Saeed Sardar.
Finally, this book would never have been written without the continuous support and patience of our families, especially our wives, Sadie and Karmen. In the meantime, the technology has matured to the stage where the majority of the forward-looking service providers use it to offer VPN services to their clients.
Another significant change triggering the need for the second edition was the rollout of official service provider training by Cisco Systems. Because the authors of the book were closely involved in the training material development, the "Implementing Cisco MPLS" course offered by Cisco Learning Solution Providers worldwide closely maps to the structure of this book, making the book an excellent companion to the course.
The service-provider training rollout was accompanied with a new service-provider specific career certification schema, introducing two new career certifications: CCIP Certification Process To meet a growing need for skills and talent from the telecommunications sector, Cisco Systems has formulated a new certification track: Communications and Services.
The certifications identify talented professionals who can plan, design, implement, or operate New World service provider networks.
Certification exams qualify individuals who demonstrate competencies in infrastructure or access solutions in a Cisco end-to-end. The student must gain in-depth knowledge in a variety of service provider-related technologies and pass a number of written exams administered by Prometrics or VUE testing centers.
The entire CCIP certification path with the MPLS VPN technology being chosen as the elective technology is summarized in the following table, which lists all exams, corresponding recommended training, and recommended Cisco Press books. The exercises are usually part of instructor-led classroom training. If you decide to follow any other learning method, you can also perform the lab exercises in a remote lab environment.
In fact, if the primary objective of this book were different, the book's title would be misleading; however, the methods used in this book to help you pass the MPLS elective exam are designed to also make you much more knowledgeable about how to do your job. Although this book has many questions to help you prepare for the actual exam, they are not used to simply make you memorize as many questions and answers as you possibly can.
This book is designed to help you discover the exam topics that you need to review in more depth, to help you fully understand and remember those details, and to help you prove to yourself that you have retained your knowledge of those topics.
So, this book does not try to help you pass by memorization but helps you truly learn and understand the topics. Bandwidth must be provisioned on a site-to-site basis. Customer network and service provider network are wellisolated. VCs have to be provisioned manually. Well-known and easy to implement. Service provider does not participate in customer routing. Implementing optimum routing requires a full mesh of VCs. The service provider participates in customer routing.
PE routers carry all routes from all customers. Guarantees optimum routing between customer sites. Only sites are provisioned.
Easier to provision an additional VPN. The service provider needs detailed IP routing knowledge.
The service provider becomes responsible for customer convergence. Each customer requires a dedicated router at each POP. All customers share the same provider-assigned or public address space.
All customers share the same address space. Performance is lower—each packet has to pass a packet filter. High maintenance costs are associated with packet filters. PE routers carry a separate set of routes for each customer similar to the dedicated PE router approach. Customers can use overlapping addresses.
PE routers participate in customer routing. Wrong answer: How will PE routers exchange customer routing information? Run a dedicated IGP for each customer across P-network. Run a single routing protocol that will carry all customer routes inside the provider backbone.
Better answer. Run a single routing protocol that will carry all customer routes between PE routers. BGP is used to exchange customer routes directly between PE routers. BGP is the only routing protocol that can scale to a very large number of routes. Which protocol can be used to carry customer routes between PE-routers?
The number of customer routes can be very large. BGP is the only routing protocol that can scale to such a number. Route Distinguishers Question? How will information about the overlapping subnetworks of two customers be propagated via a single routing protocol? Extend the customer addresses to make them unique. All sites of one customer need to communicate. Other sites from different customers do not communicate with each other.
Central sites of both customers need to communicate with VoIP gateways and other central sites. How Do RTs Work?