CCIP MPLS PDF

The concept of virtual routing is an important aspect of MPLS. It enables PE routers to appear to be many routers to the customer edge CE routers. The provider edge PE router will maintain separate and distinct routing tables for each customer. Each PE builds these unique routing tables with their own routing table mechanisms for each customer that is connected to the PE. This unique separation of routing tables allows PE routers to store routes and forward packets even if the customers are using identical addressing. Remember that the route distinguisher is used to distinguish between overlapping addresses in the VRF.

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The concept of virtual routing is an important aspect of MPLS. It enables PE routers to appear to be many routers to the customer edge CE routers.

The provider edge PE router will maintain separate and distinct routing tables for each customer. Each PE builds these unique routing tables with their own routing table mechanisms for each customer that is connected to the PE. This unique separation of routing tables allows PE routers to store routes and forward packets even if the customers are using identical addressing. Remember that the route distinguisher is used to distinguish between overlapping addresses in the VRF.

The route distinguisher can be of two forms:. When designing your MPLS backbone, it is very important to have a well thought-out VPN naming scheme and route distinguisher numbering. A good way to do the route distinguisher name is to utilise Autonomous System Numbers ASN for the 16 bit address and the second 32 bits something specific to customers customer ASN numbers will work if they are using BGP.

Think of the operational support teams when assigning names and route distinguishers. Use a nomenclature that allows identification of the customer or the customer's entry point into the network.

What this configuration does is create a VRF table that the PEs utilise to exchange the customer routes. The customer routes are identical except for the route distinguisher. This allows the PE to distinguish the He has more than 10 years of experience providing strategic, business, and technical consulting services to clients.

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CCIP: MPLS Study Guide: Exam 640-910 (Implementing Cisco MPLS)

Register at PearsonVUE. These series offer a progressive, self-paced study routine for Cisco certification exams, with tools that help certification candidates learn exam topics, gain hands-on experience, prepare for the exam, and practice their test taking skills. For more information on each series and how the books complement one another, visit our Series pages. Cisco Press Certification Self-Study books and software are part of a recommended learning path from Cisco Systems that can include 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. CCIP certifications are valid for three years. Certification holders will continue to re-certify their professional level certifications when they pass any CCIE written exam.

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Cisco CCIP MPLS certification: Introduction

In the articles that follow, I am going to talk about foundational skills required to achieve MPLS certification. In reality there is no MPLS certification. While these vendor certifications represent the major certifications surrounding MPLS, in reality, Cisco and Juniper dominate the deployed base for carrier solutions. I would recommend that those interested in certification pursue either Cisco or Juniper certifications. Regardless of which vendor's certifications you eventually pursue, there are going to be concepts related to MPLS technology that will be common across all of the certifications. These concepts are what I consider the foundation skills for having a complete understanding of MPLS technology in order to be considered an expert in the field.

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Cisco CCIP MPLS certification: Lesson 5 -- Configuring MPLS

In addition to MPLS theory, you must be able to configure the routers as well. The configuration can apply to customer edge CE routers, provider edge PE routers or provider P routers. Each of these must be configured in order for MPLS to work within an enterprise's architecture. Although the responsibility for configuration of each router may vary based on where they sit in the architecture e. This article and the next will focus on configuring routers to support MPLS functionality. Cisco originally developed MPLS type technology and called it tag switching. This technology evolved into MPLS labelled switching.

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