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Cisco CRS-3 Hardware Overview (CRS-3)

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Course Summary
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Description

NOTE: This digital course is part of the Cisco Digital Library and Networking CDL XL  bundle but is not available for individual resell.

Cisco CRS-3 Hardware Overview Cisco Training on Demand course introduces you to the Cisco CRS-3 carrier routing system and its features and functions. You will learn the important theoretical concepts on which the Cisco CRS-3 solution is based and gain the practical knowledge and skills to successfully deploy it on your network. You will be able to determine the right Cisco CRS-3 routing system based on the requirements of your network.

In addition, you will be able to verify correct operation of various Cisco CRS-3 hardware, including the 140 Gbps switch fabric, 140 Gbps line cards, 14- and 20-port 10 Gigabit and 1-port 100 Gigabit Ethernet physical layer interface modules (PLIMs), the Cisco CRS Performance Route Processors (CRS-PRPs), and the new modular power systems, and perform basic troubleshooting.

Objectives

Upon completion of this course, you should be able to:

  • List and describe the major features and benefits of the Cisco CRS-3
  • List and describe the major features and benefits of the 140Gb/s line cards
  • List and describe the major features and benefits of the 14- and 20-port 10Gb/s and 100Gb/s Ethernet PLIMs
  • List and describe the major features and functions of the modular power systems
  • List and describe the major features and functions of the Performance Route Processors
  • Describe the steps to migrate the 40Gb/s switch fabric to the 140Gb/s switch fabric
  • Describe the steps to migrate from a fixed power system to the modular power system and verify its proper operation
  • Describe the steps to migrate from an RP-B to the Performance Route Processor and verify its proper operation
  • Configure the Cisco CRS-3, back out of configuration changes, and restore older versions of a configuration
  • Install the Cisco IOS XR Software operating system, package information envelopes, and software maintenance updates
  • Upgrade field-programmable device (FPD) and ROMMON code
  • Configure OSPF and iBGP routing protocols
  • Configure MPLS-LDP in Cisco IOS XR Software
  • Configure MPLS Layer 3VPNs on the Cisco CRS-3
  • Understand data flow through the Cisco CRS-3
  • Troubleshoot basic Cisco CRS-3 hardware and software problems

Prerequisites

Following are the prerequisites for this course:

  • Students should have knowledge of the Cisco IOS XR Software configuration syntax to the extent covered in the Cisco® CRS-1 Essentials, Cisco IOS XR Fundamentals for Network Operations, or Cisco ASR 9000 Essentials course.
  • Students attending this class should be able to establish, without assistance, a configuration for Open Shortest Path First Version 2 (OSPFv2), Intermediate System-to-Intermediate System (IS-IS), and Border Gateway Protocol (BGP) with Routing Policy Language (RPL) policies as accomplished in the Cisco IOS XR IPv4 Routing course labs.
  • Students must have a basic understanding of MPLS configuration and operation as covered in the Cisco CRS-1 Essentials, Cisco IOS XR Fundamentals for Network Operations, or Cisco ASR 9000 Essentials course.

Who Should Attend

This course is intended for network professionals, including designers, implementation staff, network operations center personnel, and support staff, who are involved with the deployment, operations, and maintenance of the Cisco CRS-3 Carrier Routing System and who have not taken the Cisco CRS-1 Essentials course. Those who have taken the Cisco CRS-1 Essentials course should take the Cisco CRS Product Enhancements course to gain CRS-3 product knowledge.

Outline

  • Course Overview
  • Introduction to the CRS
  • CRS 16-Slot LCC Hardware
  • CRS 8-Slot LCC Hardware
  • CRS 4-Slot LCC Hardware
  • CRS LCC Common Elements
  • Modular Power Systems
  • New Performance Route Processors
  • 140 Gb/s Architecture
  • Cisco CRS Multishelf Architecture
  • CRS-3 B2B

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