C H A P T E R 1

Upgrading to a Multishelf System

This chapter describes how to upgrade a single-chassis Cisco CRS-1 Carrier Routing System router to a Cisco CRS-1 Carrier Routing System Multishelf System.

Note For an introduction to the multishelf system, see Cisco CRS-1 Carrier Routing System Multishelf System Description. For information on planning a multishelf system installation, see Cisco CRS-1 Carrier Routing System Multishelf System Site Planning Guide.

Feature History for the Cisco CRS-1 Multishelf System

Release

Modification

Release 3.3.0

The Cisco CRS-1 Multishelf System was introduced.

 

 

Release 3.4.0

No modification.

 

 

Contents

This chapter contains the following sections:

Prerequisites for Upgrading to a Multishelf System, page 1-1

Restrictions for Upgrading to a Multishelf System, page 1-2

Information About Upgrading to a Multishelf System, page 1-3

How to Upgrade to a Multishelf System, page 1-3

Configuration Examples for Upgrading to a Multishelf System, page 1-11

Where to Go Next, page 1-17

Additional References, page 1-17

Prerequisites for Upgrading to a Multishelf System

An upgrade kit is required to use an existing Cisco CRS-1 16-Slot Line Card Chassis as a component in

amultishelf system. The upgrade kit is product ID CRS-16-MC-UPG. The upgrade kit includes fabric cards (S13 cards should replace the S123 cards) and cabling.

Cisco CRS-1 Carrier Routing System Multishelf System Upgrade and Conversion Guide

 

OL-12571-01

1-1

 

 

 

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Cisco Systems CRS-1 manual Contents, Prerequisites for Upgrading to a Multishelf System

CRS-1 specifications

Cisco Systems' Carrier Routing System (CRS-1) is a cutting-edge, high-capacity router designed to meet the demands of service providers and large enterprises. Introduced in the early 2000s, the CRS-1 represents a significant leap forward in routing technology, offering unparalleled performance, scalability, and reliability.

One of the primary features of the CRS-1 is its exceptional scalability. The system is built on a modular architecture that allows for easy upgrades and expansions. This enables service providers to start with a configuration that suits their immediate needs while having the flexibility to expand as traffic demands grow. The CRS-1 supports a wide range of line cards, enabling data, voice, and video to be managed on a single platform, which simplifies network management and reduces operating costs.

The CRS-1 leverages advanced technologies that enable it to deliver impressive performance. With the ability to handle up to 92 terabits per second of throughput, the router is capable of supporting a vast number of connections, making it well-suited for large-scale service providers and data centers. This level of performance is powered by Cisco’s proprietary silicon technology, which optimizes the packet forwarding process and enhances overall efficiency.

Another key characteristic of the CRS-1 is its strong focus on reliability and redundancy. The system is designed with high availability in mind, ensuring that it can continue to operate seamlessly even in the event of hardware failures. Redundant components, such as power supplies and route processors, allow the CRS-1 to maintain its performance and uptime, a critical requirement for mission-critical network operations.

Additionally, the CRS-1 supports a wide variety of protocols and technologies, including Internet Protocol (IP), Multiprotocol Label Switching (MPLS), and various service provider features. This versatility makes it a compelling choice for organizations looking to implement advanced networking capabilities, such as Quality of Service (QoS) and traffic engineering.

In summary, the Cisco Systems CRS-1 stands out as a formidable solution for modern routing needs. Its modular design, exceptional scalability, robust performance, reliability, and support for multiple protocols and services make it an ideal choice for service providers and enterprises seeking to future-proof their networks. As the demand for bandwidth continues to surge, the CRS-1 remains a pivotal component in the evolution of networking infrastructure.