Cisco Systems CRS-1 manual Restrictions for Upgrading to a Multishelf System

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Chapter 1 Upgrading to a Multishelf System

Restrictions for Upgrading to a Multishelf System

•Prepare the single chassis system as follows:

–Obtain the chassis serial number, which is required for configuration. The serial number is on a chassis label and can be displayed using the show diag chassis, as described in Cisco IOS XR Getting Started Guide.

–Upgrade the ROM Monitor software to Version 1.42 or later, as described in Cisco IOS XR ROM Monitor Guide.

–For more information, see the documents in the “Related Cisco CRS-1 Multishelf Hardware Documentation” section on page 1-17.

•Prepare each fabric card chassis (FCC) as follows:

–Install the FCCs and distribute the eight fabric card chassis-switch fabric cards (FCC-SFCs, product ID CRS-FCC-SFC) among the FCCs.

–Obtain the chassis serial number for each FCC, which is required for configuration. The serial number is on a chassis label and can be displayed using the show diag chassis, as described in Cisco IOS XR Getting Started Guide.

–Ensure that the power to the FCCs is off.

–Connect all fabric cables to the FCCs, as described in Cisco CRS-1 Carrier Routing System Multishelf System Interconnection and Cabling Guide.

–For more information, see the documents in the “Related Cisco CRS-1 Multishelf Hardware Documentation” section on page 1-17.

Note You cannot connect the fabric cables to the pre-existing single-chassis rack until you replace the FC/S cards in the line card chassis (LCC). To avoid service interruption, replace these modules and connect the fabric cables only when instructed to do so in the procedure that appears in the “How to Upgrade to

aMultishelf System” section on page 1-3.

•Prepare the additional LCC as follows:

–Install the LCC and all cards.

–Obtain the chassis serial number, which is required for configuration.

–Ensure that the power to the LCC is off.

–For more information, see the documents in the “Related Cisco CRS-1 Multishelf Hardware Documentation” section on page 1-17.

•Prepare the control network (Catalyst 6509 switches) as follows:

–Install the Catalyst 6509 switches.

–Cable the Catalyst 6509 switches to the FCC and both LCCs, as described in Cisco CRS-1 Carrier Routing System Multishelf System Interconnection and Cabling Guide.

–Configure the Catalyst 6509 switches, as described in Cisco IOS XR Getting Started Guide.

–For more information, see the documents in the “Related Documentation for the Catalyst 6509 Switch” section on page 1-18.

Restrictions for Upgrading to a Multishelf System

Cisco IOS XR Software Release supports the multishelf feature only on the 16-slot LCCs. This release does not support multishelf operation using 8-slot LCCs.

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

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Contents Americas Headquarters Page N T E N T S Index Changes to This Document Obtaining DocumentationCisco.com Documentation Feedback Cisco Product Security OverviewProduct Documentation DVD Ordering Documentation Reporting Security Problems in Cisco Products Product Alerts and Field NoticesObtaining Technical Assistance Cisco Technical Support & Documentation WebsiteSubmitting a Service Request Definitions of Service Request SeverityObtaining Additional Publications and Information Preface Obtaining Additional Publications and Information Contents Prerequisites for Upgrading to a Multishelf SystemRestrictions for Upgrading to a Multishelf System Multishelf System section onHow to Upgrade to a Multishelf System Information About Upgrading to a Multishelf SystemUpgrading the Fabric Cards and Adding an FCC NoneApply power to the FCC Places the router in administration Exec modeAll commands listed in this procedure should be Places the router in administration configuration modeConfigures the FCC identified by the serial number as an Configures a plane to operate in an FCC slotEnter this command sequence for each of the eight To 7 you want to configureDo command prefix allows the Exec mode show Command to execute in administration configurationExamine Replace the planeNumber parameter with the numberModifies the target configuration to bring up the specified Which is now configured to use the FCC-SFCDisplays the administrative and operational status of all Displays the status of the Rack 0 fabric slot specified byAdding an LCC to a Multishelf System What to Do NextConfigures the additional LCC as Rack 1 in the multishelf Modifies the target configuration to change the RackConfiguration to installation mode For racks in installation modeDisplaying Chassis Serial Numbers Example Adding a Fabric Card Chassis Example Power is applied to the FCC at this time FC/S card is replaced with an FC/M card at this point Fabric cable is attached to the FC/M card at this pointApply power, attach cables, and check cable LEDs Adding an LCC to a Multishelf System ExampleNormal Where to Go Next Additional ReferencesRelated Documents Related Documentation for the Catalyst 6509 Switch Technical AssistanceConverting to an Integrated Switch System Prerequisites for the Integrated Switch System Cisco CRS-1 Multishelf Integrated Switch Solution Naming ConventionsThis section contains the following procedures Repeat to for the remaining FCC Partner node F0/SC1/CPU0 is in Standby roleShow controllers switch inter-rack stp location node-id Redundancy switchover location node-id Repeat to for the other fabric chassis on a two-FCC MC MST1 Validating the 22-port Scge Cards Four-FCC Multishelf System OL-12571-01 OL-12571-01 For Cist Redundancy switchover location node-id Show controllers switch inter-rack udld all location node-id Show controllers switch inter-rack udld all location node-id Admin configure command 1-5,1-10 Installation documents LEDsSerial number configuration Fabric card, single-chassis systemIN-2
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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.
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