Overview:

The Cisco CRS-3 Carrier Routing System Essentials (CRS3E) lab-intensive course introduces you to the Cisco CRS-3 Carrier Routing System (CRS) and its features and functions. You will learn the important theoretical concepts on which the Cisco CRS-3 is based and gain the practical knowledge and skills to successfully deploy it in your network. You will be able to determine the right Cisco CRS-3 routing system based on the requirements of your network. In the hands-on labs, you will learn to install the Cisco IOS® XR Software operating system, deploy Open Shortest Path First (OSPF) and Internal Border Gateway Protocol (iBGP) routing protocols, and deploy Multiprotocol Label Switching–Label Distribution Protocol (MPLS-LDP) and MPLS Layer 3 VPNs in the classroom environment. In addition, you will be able to troubleshoot and verify proper operation of various 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 Performance Route Processor (PRP), and the new modular power systems. This course combines lecture materials and hands-on labs throughout to make sure that you are able to successfully deploy a Cisco CRS-3 Carrier

Objectives:

  • Upon completing this course, the learner will be able to meet these overall objectives:
  • List and describe the major features and benefits of the Cisco CRS-3
  • List and describe the major features and benefits of the 140-Gbps line cards
  • List and describe the major features and benefits of the 14- and 20-port 10 Gigabit and 100 Gigabit Ethernet PLIMs
  • List and describe the major features and functions of the modula power systems
  • List and describe the major features and functions of the Performance Route Processors
  • 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 3 VPNs on the Cisco CRS-3
  • Understand data flow through the Cisco CRS-3
  • Troubleshoot basic Cisco CRS-3 hardware and software problems
  • Describe the steps to migrate from an RP-B to the Performance
  • Route Processor and verify its proper operation
  • Install the Cisco IOS XR Software operating system, package information envelopes, and software maintenance updates
  • Configure the Cisco CRS-3, back out of configuration changes, and restore older versions of a configuration
  • Describe the steps to migrate the 40-Gbps switch fabric to the 140-Gbps switch fabric
  • Describe the steps to migrate from a fixed power system to the modular power system and verify its proper operation

Content:

  • Introduction to Cisco CRS-3 Carrier Routing Systems
  • Cisco CRS-3 Chassis Hardware
  • Cisco CRS-3 Line Card Chassis Common Elements
  • Introduction to Cisco CRS-3 Multi-shelf Architecture
  • Cisco IOS XR Software Overview and Configuration Basics
  • Introduction to Cisco CRS Product Enhancements
  • Cisco CRS-3 140-Gbps Line Cards
  • Introduction to the New High-Speed Ethernet PLIMs
  • Introduction to the 140-Gbps Switch Fabric
  • Introduction to Cisco CRS Modular Power Supplies
  • Introduction the Cisco CRS Performance Route Processor
  • Cisco IOS XR Software Installation and Operations
  • Routing Protocols
  • MPLS-LDP
  • MPLS Layer 3 VPNs
  • Cisco CRS-3 Data Flow and Modular QoS Command-Line Interface
  • Troubleshooting Cisco CRS-3 Carrier Routing Systems

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