The CiscoÂ® CRS-3 Carrier Routing System Essentials (CRS3E) Version 3.0 lab-intensive 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 the hands-on labs, you will learn to install the Cisco IOSÂ® XR Software operating system, deploy the Cisco 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 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. 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 routing system network.
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 system
- 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 Gbps and 100 Gbps 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 Cisco CSR-PRPs
- 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
- Describe the steps to migrate from an RP-B to the Cisco PRP and verify its proper operation
- Configure the Cisco CRS-3 router, 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 router
- Troubleshoot basic Cisco CRS-3 hardware and software problems
- 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 Multishelf Architecture
- Cisco IOS XR Software Overview and Configuration Basics
- Introduction to Cisco CRS Product Enhancements
- Cisco CRS-3 140 Gbps Line Cards
- New Hardware Features
- 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 Layer 3 VPNs
- Cisco CRS-3 Data Flow and Modular QoS Command-Line Interface
- Troubleshooting Cisco CRS-3 Carrier Routing Systems
- Lab 1: Hardware Discovery and Initial Configuration
- Become familiar with the classroom network and learn basic commands to help navigate and configure the classroom router.
- Lab 2: Exploring the 140Gb/s Line Cards and the 14-Port10Gb/s Ethernet PLIMs
- Use CLI commands to verify the proper operation of the 140 Gbps line cards and 14-port 10 Gbps Ethernet PLIMs.
- Lab 3: Exploring the 140 Gbps Switch Fabric
- Use CLI commands to verify proper operation of the 140 Gbps switch fabric.
- Lab 4: Cisco CRS Modular Power Systems
- Use CLI commands to verify the proper operation of the Cisco CRS modular power systems.
- Lab 5: Exploring the Cisco CRS Performance Route Processor
- Use CLI commands to verify the correct operation of the Cisco CRS Performance Route Processor
- Lab 6: Cisco IOS XR Software Installation
- Use Cisco IOS XR Software installation commands to add, activate, deactivate, and remove software packages.
- Lab 7: Cisco IOS XR Software Operations
- Practice various operational tasks that are unique to Cisco IOS XR Software.
- Lab 8: OSPF Routing Configuration
- Configure OSPF in Cisco IOS XR Software.
- Lab 9: iBGP Routing Configuration
- Configure iBGP in Cisco IOS XRSoftware.
- Lab 10: MPLS-LDP Configuration
- Configure MPLS-LDP.
- Lab 11: Layer 3VPN Configuration
- Configure MPLS Layer 3 VPNs on Cisco IOS XR Software platforms.
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 Cisco CRS-3 product knowledge.
The recommended knowledge and skills that a learner should have for the best learning outcome include:
- Routing protocol configuration experience with Border Gateway Protocol (BGP), Intermediate System-to-Intermediate System (IS-IS), and OSPF
1. Building Scalable Cisco Internetworks (BSCI)
2. Building Core Networks with OSPF, BGP, and MPLS (BCN)
- Advanced knowledge of BGP multihomed, multiautonomous configurations
1. Configuring BGP on Cisco Routers (BGP)
2. Building Core Networks with OSPF, BGP, and MPLS (BCN)
- Strong knowledge of MPLS configurations
1. Building Core Networks with OSPF, BGP, and MPLS (BCN)
2. Implementing Cisco MPLS (MPLS)