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CRS1E: Cisco CRS-1 Carrier Routing System Essentials v2.0

The Cisco CRS-1 Carrier Routing System Essentials (CRS1E) v2 course is a lab-intensive course that introduces you to the Cisco® CRS-1 Carrier Routing System and its features and functions. You will learn the important theoretical concepts on which the Cisco CRS-1 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-1 based on the requirements of your network. In 12 hands-on labs, you will learn to install the Cisco IOS® XR Software operating system, create and configure secure domain routers (SDRs), deploy common routing protocols, implement IP multicast, and deploy Multiprotocol Label Switching Traffic Engineering (MPLS-TE) and MPLS Layer 3 VPNs in the classroom environment. You will also use Route Policy Language (RPL) to deploy large-scale routing configurations and perform basic troubleshooting. This course combines lecture materials and hands-on labs throughout to make sure that you are able to successfully deploy a Cisco CRS-1 Carrier Routing System network.

Course Objectives

After completing this course the student should be able to:

  • List and describe the major features and benefits of the Cisco CRS-1
  • List and describe the major features and benefits of a Cisco SDR
  • Create and configure a Cisco SDR
  • Configure the Cisco CRS-1, 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
  • Configure the Cisco IOS XR security features in owner and nonowner SDRs
  • Configure legacy route map configurations using the new Cisco IOS XR RPL
  • Configure routing protocols in a complex multi–autonomous system (AS) environment
  • Enable multicast routing on the Cisco CRS-1Configure MPLS on Cisco IOS XR Software
  • Configure MPLS-TE tunnels on the Cisco CRS-1
  • Configure MPLS Layer 3 VPNs on the Cisco CRS-1
  • Understand data flow through the Cisco CRS-1Troubleshoot basic Cisco CRS-1 hardware and software problems

Course Content

  • Introduction to Cisco CRS-1 Carrier Routing Systems
  • Cisco CRS-1 Chassis Hardware
  • Cisco CRS-1 Line-Card Chassis Common Elements
  • Introduction to Cisco CRS-1 Multishelf Architecture
  • Cisco IOS XR Software Overview and Basics
  • Secure Domain Routers
  • Cisco IOS XR Software Installation, Security, and Operations
  • Routing Protocols
  • Route Policy Language
  • Multicast Routing
  • MPLS
  • MPLS Layer 3 VPNs
  • Cisco CRS-1 Data Flow and Modular QoS Command-Line Interface
  • Install the Cisco IOS XR Software operating system, package information envelopes, and software maintenance updates
  • Configure the Cisco IOS XR security features in owner and nonowner SDRs
  • Configure legacy route map configurations using the new Cisco IOS XR RPL
  • Configure routing protocols in a complex multi–autonomous system (AS) environment
  • Enable multicast routing on the Cisco CRS-1
  • Configure MPLS on Cisco IOS XR Software
  • Configure MPLS-TE tunnels on the Cisco CRS-1
  • Configure MPLS Layer 3 VPNs on the Cisco CRS-1
  • Understand data flow through the Cisco CRS-1
  • Troubleshoot basic Cisco CRS-1 hardware and software problems

Target Audience

  • 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-1 Carrier Routing System

Course Duration

5 days

Suggested Pre-requisites

The knowledge and skills that a student must have before attending this course are as follows:

  • Routing protocol configuration experience with Border Gateway Protocol (BGP), Intermediate System-to-Intermediate System (IS-IS), and Open Shortest Path First (OSPF)
  • Advanced knowledge of BGP multihomed, multi-AS configurations
  • Strong knowledge of MPLS configuration
  • Multicast configuration experience
  • Advanced knowledge of Cisco router security
  • implementation, including authentication, authorization, and accounting (AAA) and TACAS

Relevant Courses

  • Building Core Networks with OSPF, BGP, and MPLS (BCN)
  • Configuring BGP on Cisco Routers (BGP)
  • Implementing Cisco MPLS (MPLS)
  • Securing Networks with PIX and ASA (SNPA)

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