Cisco Systems 12008 User Manual

Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

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The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.

The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it is not installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.

You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct t he interference by using one or more of the following measures:

• Turn the television or radio antenna until the interference stops.

• Move the equipment to one side or the other of the television or radio.

• Move the equipment farther away from the television or radio.

• Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)

Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product. The following third-party software may be included with your produ ct and will be subject to the sof tware lice ns e agree ment: CiscoWorks software and documentation are based in part on HP OpenView under license from the Hewlett-Packard Company. HP OpenView is a

trademark of the Hewlett-Packard Company. Copyright © 1992, 1993 Hewlett-Packard Company. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of

UCB’s public domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California. Network Time Protocol (NTP). Copyright © 1992, David L. Mills. The University of Delaware makes no representations about the suitability of this

promote products derived from this software without s peci fic prior written permission. The Cisco implementation of TN3270 is an adaptation of the TN3270, curses, and termcap programs developed by the University of California, Berkeley

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All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0406R))

Cisco 12008 Gigabit Switch Router Installation and Configuraiton Guide

About This Guide xiii

Document Objectives xiii Audience xiii Document Organization xiv Document Conventions xv

Conventions Used in Command Descriptions xv Conventions Used in Examples xvi Conventions Used for Special Notices xvi

Obtaining Documentation x viii

World Wide Web xviii Documentation CD-ROM xix Ordering Documentation xix

Obtaining Technical Assistance xix

Cisco Connection Online xix Technical Assistance Center xx Documentation Feedback xxi

Chapter 1 Product Overview 1-1

CONTENTS

Cisco’s Next Generation of Routers 1-2 Features of the Cisco 12008 Router 1-3 Overview of the Cisco 12008 1-6

Router Enclosure 1-8 Cable-Management System 1-8 Card Cage Fan Tray 1-10 Power Supply Fan Tray 1-11 AC-Input and DC-Input Power Supplies 1-12

Operating Modes of the Power Supplies 1-14 Features of the Power Supplies 1-15 Characteristics of the Power Supplies 1-16 AC-Input Power Supply Faceplate 1-16 DC-Input Power Supply Faceplate 1-19

Table of Contents v

Upper Card Cage and Associated Components 1-23

Gigabit Route Proces sor 1-25 Performance Route Processor 1-34 Switch Fabric of the Cisco 12008 1-43 Clock and Scheduler Card 1-44

Cisco 12000 Series Line Cards 1-54 Air Filter Assembly 1 - 69 Lower Card Cage and Associated Components 1-69

Switch Fabric Cards 1-70

Power Distribution System in the Cisco 12008 1-72 Cisco 12008 Environmental Monitoring Facility 1-74 System Specifications 1-75 Agency Approvals 1-78

Chapter 2 Preparing for Installation 2-1

Safety Recommendations 2-2

Lifting Guidelines 2-3 Safety with Electricity 2-4 Preventing Electrostatic Discharge Damage 2-5 Laser Safety 2-6

Site Requirements Guidelines 2-7

Rack-Mounting Guidelines 2-7 Air Flow Guidelines 2-10 Temperature and Humidity Guidelines 2-13 Power Guidelines 2-14

AC-Powered Systems 2-14

DC-Powered Systems 2-16

System Ground Connection Guidelines 2-18 Site Wiring Guidelines 2-19

EMI Considerations 2-20 Synchronous Optical Network Connection Guidelines 2-21

Power Budget 2-22

Approximating the Line Card Power Margin 2-23

Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

Multimode Power Budget Example (with Sufficient Power for

Transmission) 2-24

Multimode Power Budget Example of Dispersion Limit 2-25

Single-Mode Transmission 2-25

SONET Single-Mode Power Budget Example 2-25

Using Statistics to Estimate the Power Budget 2-26

Installation Tools Required 2-26 Unpacking the Cisco 12008 2- 27 Checking the Contents of the Shipping Container 2-27 Using a Site Log 2-28

Chapter 3 Installing a Cisco 12008 3-1

Installation Considerations 3-2 Installing the Mounting Brackets 3 -3 Removing Components from the Router 3-6

Removing Cards from the Upper Card Cage 3-6 Removing a Power Supply from the Router 3-9

Rack-Mounting the Cisco 12008 3-11 Reinstalling Components in the Router 3-14

Reinstalling the Cards in the Upper Card Cage 3-14 Reinstalling the Power Supplies in the Router 3-15

Connecting the Line Card Cables 3-17 Connecting Route Processor Cables 3-20

GRP Console and Auxiliary Port Connection Equipment 3-20

GRP Console Port Signals 3-22

GRP Auxiliary Port Signals 3-23 GRP Ethernet Connection Equipment 3-23 PRP Console and Auxiliary Port Connection Guidelines 3-27

PRP Console Port Signals 3-29

PRP Auxiliary Port Signals 3-29 PRP Ethernet Connection Equipment 3-30

PRP Ethernet Connections 3-31

Table of Contents vii

Connecting an External Alarm Monitoring Facility 3-34 Connecting System Ground 3-38 Connecting Source Power to the Power Supplies 3-41

Connecting Source Power to an AC-Input Power Supply 3-42

Connecting Source Power to a DC-Input Power Supply 3-46

Starting the Cisco 12008 3-50

Chapter 4 Observing System Startup and Performing a Basic Configuration 4-1

Sources of Cisco IOS Softwar e 4-2 Checking Conditions Prior to System Startup 4-3 Starting the System and Observing Initial Condit ion s 4-4 Configuring the Cisco 12008 4-11

Using the Setup Facility or the Setup Command 4-13

Configuring Global Parameters 4-14

Sample Display of Global Parameters 4-19

Configuring Network Interfaces 4-20

Checking the Software Version Number and the Installed

Interfaces 4-25 Using the Global Configuration Mode 4-26 Verifying the Running Configuration Settings 4-27

Example of Running Configuration Settings for Quad OC-3 POS

Interface 4-28

Example of Running Configuration Settings for OC-12 POS

Interface 4-29

Example of Running Configuration Settings for OC-12 ATM

Interface 4-29 Saving the Running Configuration Settings to NVRAM 4-30 Reviewing the Running Configuration Settings 4-31

Performing Other Configuration Tasks 4-33

Configuring the Software Configuration Register 4-33

Boot Field Settings and the Use of the Boot Command 4-36

Changing the Software Configuration Register S ettings 4-38

Meaning of Bits in the Software Configuration Register 4-39

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Recovering a Lost Password 4-43 Using Flash Memory Cards in the RP 4-46

Installing and Removing a Flash Memory Card in a RP 4 - 47

Formatting a Flash Memory Card 4-49

Specifying a Cisco IOS Image for Booting the System 4-50

Console Commands Associated with Flash Memory Use 4-51

Enabling Booting from Flash Memory 4-53

Copying Files to a Flash Memory Medium 4-54

Copying a Cisco IOS Software Image onto a Flash Memory

Card 4-55

Copying Cisco IOS Software Images between Flash Memory

Cards 4-57

Copying System Config uration Files bet ween RP Memory and a Fl ash

Memory Card 4-59

Recovering from Locked Blocks in Flash Memory Cards 4-63

What to Do Next? 4-64 If You Need More Configuration Information 4-64

Chapter 5 Troubleshooting the Installation 5-1

Troubleshooting Overview 5-2

Normal System Status at Startup 5-2 Problem Solving Using a Subsystem Approach 5-4 Identifying Startup Problems 5-6

Normal System Startup Sequence 5-6

Power Supply Status LEDs 5-7

Troubleshooting the Power Subsystem 5-10 Troubleshooting the Processor Subsys tem 5-12

Troubleshooting the RP 5-13 Troubleshooting the Line Cards 5-15

CSC Alarm Funct ions 5-17

Troubleshooting the Cooling Subsystem 5-17 Additional Troubleshooting Reference Information 5-20

Table of Contents ix

Chapter 6 Running Diagnostics on the Cisco 12008 6-1

Diagnostic Test Overview 6-1 Using the diag Command 6-2 Diagnostic Testing Sequence 6-3 Loading and Running Diagnostics 6-4

Diagnostic Examples 6-5

Without verbose Option 6-6

With verbose Option 6-7

Failed Diagnostic 6-9

Chapter 7 Maintaining the Cisco 12008 7-1

Cleaning the Air Filter 7-2 Installing and Removing a Blank Filler Panel 7-5 Adding, Removing, or Replacing an AC-Input Power Supply 7-7

Adding an AC-Input Power Supply 7-7 Removing an AC-Input Power Supply 7-11 Replacing an Existing AC-Input Powe r Supp l y 7-13 Verifying the Install ation of an AC-Input P ower Supply 7-15

Adding, Removing, or Replacing a DC-Input Power Supply 7-17

Adding a DC-Input Power Supply 7-18 Removing a DC-Input Power Supply 7-29 Replacing a DC-Input Power Supply 7-32 Verifying the Installation of a DC-Input Power Supply 7-37

Removing and Replacing the Fan Trays 7-38

Removing t he Fan Tray from the Low er Card Cag e 7-39 Installing a Fan Tray in the Lower Card Cage 7-42 Removing the Power Supply Fan Tray 7-44 Installing the Power Supply Fan Tray 7-46 Checking the Installation of a Fan Tray 7-48 Status LEDs for the Fan Trays 7-48

Removing and Replacing the RP 7-51

Removing t he RP 7-52

Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

Installing the RP 7-54 Checking the Installation of the RP 7-56

Removing and Replacing Line Cards 7-56 Removing and Replacing Switch Cards 7-56

Removing an SFC 7-57 Installing an SFC 7-59 Removing a CSC 7-61 Installing a CSC 7-63 Checking the Installation of Switch Cards 7-64

Removing and Replacing the Cable Management System 7-68

Removing a Cable-Management Tray 7-68 Installing a Cable-Management Tray 7-72 Removing a Cable-Management Bracket 7-74 Installing a Cable-Management Bracket 7-77

Upgrading Memory on a Line Card 7-80

Removing a Line Card from the Router 7-83 Removing a DIMM from a L ine Card 7-86 Installing a New DIMM on a Line Card 7-87 Reinstalling a Line Card in the Router 7-88 Checking the Installation of Line Card Memory 7-89

Upgrading Memory on the RP 7-90

Appendix A Unpacking and Repacking the Cisco 12008 A-1

Cisco 12008 Packaging Materials A-2 Unpacking/Packing Tools A-4

Index

Table of Contents xi

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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

About This Guide

This section describes the objectives, intended audience, and organization of this document. The conventions used to convey instructions and information are also included.

Cisco documentation and additional literature are available in a CD-ROM package that ships with your product. The Documentation CD-ROM, a member of the Cisco Connection Family, is updated monthly. Therefore, it might be more up to date than printed documentation. To order additional copies of the Documentation CD-ROM, contact your local sales representative or call customer service. The C D-ROM package is available as a single package or through an annual subscription. You can also access Cisco documentation on the World Wide Web at URL http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.

Document Objectives

This installation and configuration guide explains the hardware installation and basic configuration pro cedures for a Cisco 12008 rout er . It contains procedur es for instal ling the hardware, creating a basic configuration file, and starting the router. After completing the installation and basic configuration procedures, you use appropriate companion publications to more completely configure your system.

Audience

In using this document, you are expected to be familiar with Cisco routers or equivalent hardware and cabling, electronic circuitry, and wiring practices. Also, experience as an electronic or electromechanical technician is beneficial.

About This Guide xiii

Document Organization

This document is organized as follows:

• Chapter 1, “Product Overview,” introduces the Cisco 12008 router and describes the

system’s components.

• Chapter 2, “Preparing for Installation,” outlines the safety considerations that you

should observe and the tools required during installation of your Cisco 12008 router. Also, this chapter provides an overview of the installation process and presents the procedures you should perform before actually installing the router.

• Chapter 3, “Installing a Cisco 12008,” presents instructions for installing the hardware

and connecting the external network interface cables.

• Chapter 4, “Observing System Startup and Performing a Basic Configuration,” presents

simple procedures for completing a bas ic system configuration and checki ng and saving the configuration to system memory.

• Chapter 5, “Troubleshooting the Installation,” presents guidelines for troubleshooting

the Cisco 1 2008 hardware installation.

• Chapter 6, “Running Diagnostics on the Cisco 12008,” tells y ou how to load and run the

Cisco 12008 field diagnostics.

• Chapter 7, “Maintaining the Cisco 12008,” presents simple maintenance procedures

that you might need to perform after installing the Cisco 12008. Also included in this chapter are remov al an d replacemen t p roced ures f or the field-replaceable units (FRUs) available for the Cisco 12008.

• Appendix A, “Unpacking and Repacking the Cisco 12008,” presents instructions for

repackaging the Cisco 12008 router should it need to be transported to another site.

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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

Document Conventions

The conventions used in this document are described in the following sections.

Conventions Used in Command Descriptions

The following conventions are used for command descriptions:

• Examples containing system prompts denote interactive sessions. Such examples

indicate that you should enter commands at the system prompt. The system prompt indicates the current level of the EXEC command interpreter. For

example, the prompt

router# indicates that you are at the privileged EXEC level.

Access to the privileged EXEC level requires a password. Refer to the section entitled “If Y ou Need More Configuration Information” in Chapter 4 for additional information.

• Commands and keywords are in boldface font.

• Arguments for which you supply values are in italic font.

• Elements enclosed in square brackets ([ ]) are optional.

router> indicates that you are at the user EXEC lev el; the prompt

Document Conventions

• Alternative, but required, key words are grouped in br aces ({ }) and separated b y vertical

bars (|).

• The symbol ^ represents the key labeled Control. For example, the ke y combination ^Z

means that you should hold down the Control key while pressing the Z key.

About This Guide xv

Document Conventions

Conventions Used in Examples

The following conventions are used in examples:

• Terminal sessions and sample console screen displays are in screen font.

• Information that you enter is in boldface screen font.

• Nonprinting characters, such as passwords, are in angle brackets (< >).

• Default responses to system prompts are enclosed in square brackets ([ ]).

• An exclamation point (!) at the beginning of a line indicates a comment line.

Conventions Used for Special Notices

The following conventions are used to alert you to hazardous conditions that may exist in the workplace or to instruct you to proceed with care to avoid equipment damage or personal injury:

Caution Means reader be careful. You should avoid any action that might result in

equipment damage or loss of data.

Note Means reader take note. Notes contain helpful suggestions or references to

information not contained in this document.

Timesaver Means the described action saves time. You can save time by performing the

action described in the paragraph.

Warning This warning symbol means danger. You are in a situation that could cause

bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing acciden ts. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

Document Conventions

Waarschuwing Dit waarschuwingssymbool betekent gevaar . U verkeert in een situatie die

lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van standaard maatregelen om ongelukken te voorkomen. Voor vertalingen van de waarschuwingen die in deze publicatie verschijnen, kunt u het document Regulatory Compliance and Safety Information (Informatie over naleving van veiligheids- en andere voorschriften) raadplegen dat bij dit toestel is ingesloten.

Varoitus Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa

ruumiinvammaan. Ennen kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja tavanomaisista onnettomuuksien ehkäisykeinoista. Tässä julkaisussa esiintyvien varoitusten käännökset löyd ä t laitteen mukana olevasta Regulatory Compliance and Safety Information -kirjasesta (määräysten noudattaminen ja tietoa turvallisuudesta).

Attention Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une

situation pouvant causer des blessur es o u des do mmag es corpo rels. Avant de travailler sur un équipement, soyez conscient des dangers posés par les circuits électriques et familiarisez-vous a vec les procédures coura mment utilisées pour éviter les accidents. Pour prendre connaissance des traductions d’avertissements figurant dans cette publication, consultez le document Regulatory Compliance and Safety Information (Confo rmit é aux règlements et consignes de sécurité) qui accompagne cet appareil.

Warnung Dieses Warnsymbol bedeutet Gefahr. Sie befinden s ich in einer Situation, die zu

einer Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie sich der mit elektrischen Stromkreisen v erb un denen Gefah ren und der Standardpraktiken zur Vermeidung von Unfällen bewußt. Übersetzungen der in dieser Veröffentlichung enthaltenen Warnhinweise finden Sie im Dokument Regulatory Compliance and Safety Information (Informationen zu behördlichen Vorschriften und Sicherheit), das zusammen mit diesem Gerät geliefert wurde.

Avvertenza Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe

causare infortuni alle persone. Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti elettrici ed essere al corr ente delle p ratiche st andar d per la prevenzione di incidenti. La traduzione delle avvertenze riportate in questa pubblicazione si trova nel documento Regulatory Compliance and Safety Information (Conformità alle norme e informazioni sulla sicurezza) che accompagna q uesto dispositiv o.

About This Gu ide xvii

Obtaining Documentation

Advarsel Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til

personskade. Før du u tfører arbeid på utstyr , må du vare o ppmerksom på de faremome ntene som elektriske kretser innebærer, samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker. Hvis du vil se oversettelser av de advarslene som finnes i denne publikasjonen, kan du se i dokumentet Regulatory Compliance and Safety Information (Overholdelse av forskrifter og sikkerhetsinformasjon) som ble levert med denne enheten.

Aviso Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá

causar danos físicos. Antes de começar a trabalhar com qualquer equipamento, familiarizese com os perigos relacionados co m circu itos eléctricos , e com qu aisqu er p ráticas comu ns que possam prevenir possíveis acidentes. Para ver as traduções dos avisos que constam desta publicação, consulte o documento Regulatory Compliance and Safety Information (Informação de Segurança e Disposições Reguladoras) que acompanha este dispositivo.

¡Advertencia! Este símbolo de aviso significa peligro. Existe riesgo para su integridad

física. Antes de manipular cu alquier equipo, cons iderar los riesgos qu e entraña la corriente eléctrica y familiarizarse con los procedimientos estándar de pre vención de accidentes. Para ver una traducción de las advertencias que aparecen en esta publicación, consultar el documento titulado Regulatory Compliance and Safety Information (Información sobre seguridad y conformidad con las disposiciones reglamentarias) que se acompaña con este dispositivo.

Varning! Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan

leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador. Se förklaringar av de varningar som förkommer i denna publikation i dokumentet Regulatory Compliance and Safety Information (Efterrättelse av föreskrifter och säkerhetsin formation), vilket medföl jer denna anordning.

Obtaining Documentation

World Wide Web

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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

Documentation CD-ROM

Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM is updated monthly. Th erefore, it is probably more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.

Ordering Documentation

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Obtaining Technical Assistance

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Obtaining T echnical Assistance

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CCO’s broad range of features and services helps customers and partners to streamline business processes and improve productivity. Through CCO, you will find information about Cisco and our networking solutions, services, and programs. In addition, you can

About This Guide xix

Obtaining T echnical Assistance

resolve technical issues with online support services, do wnload and test software pa ckages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.

Customers and partners can self-register on CCO to obtain additional personalized information and services. Registered users may order products, check on the status of an order and view benefits specific to their relationships with Cisco.

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To display the TAC web site that includes links to technical support information an d software upgrades and for requesting TAC support, use www.cisco.com/techsupport.

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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

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In North America, TAC can be reached at 800 553-2447 or 408 526-7209. For other telephone numbers and TAC e-mail addresses worldwide, consult the following web site: http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml.

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If you are reading Cisco product docu mentation on the World Wide Web, you can submit technical comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco.

You can e-mail your comments to bug-doc@cisco.com. To submit your comments by mail, for your convenience many documents contain a

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We appreciate and value your comments.

About This Guide xxi

Obtaining T echnical Assistance

xxii

Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

CHAPTER

Product Overview

This chapter presents an overview of the Cisco 12008 Gigabit Switch Router. The following sections are included in this chapter:

• Cisco’s Next Generation of Routers

• Features of the Cisco 12008 Router

• Overview of the Cisco 12008

• Router Enclosure

• Cable-Manage ment System

• Card Cage Fan Tray

• Power Supply Fan Tray

• AC-Input and DC-Input Power Supplies

• Upper Card Cage and Associated Components

• Air Filter Assembly

• Lower Card Cage and Associated Components

• Power Distribution System in the Cisco 12008

• Cisco 12008 Environmental Monitoring Facility

• System Specifications

• Agency Approvals

Product Overview 1-1

Cisco’s Next Generation of Routers

Cisco’s Next Generation of Ro uters

Cisco Systems’ new family of Internet switching and routing products, referred to collectively as the Cisco 12000 Series Gigabit Switch Routers, consists of the following models:

• Cisco 12016 Gigabit Switch Router—A 16-slot, carrier-class platform that supports

Internet protocol (IP) switching capacity of up to 160Gbps.

• Cisco 12012 Gigabit Switc h Router—A 12-slot version t hat support s IP datagram

switching capacities ranging from 15 to 60 Gb ps.

• Cisco 12008 Gigabit Switc h Router—An 8-slot version t hat supports IP datagram

switching capacities ranging from 10 to 40 Gbps. The Cisco 12008 is the subject of this document.

The architecture of the Cisco 12000 Series Gigabit Switch R outers p rovides the following networking capabilities and features:

• Scalable bandwidth—Supports high-speed transm ission of IP datagrams through use of

Cisco 12000 series line cards. The network interf aces reside on the line cards, providing connectivity between the router’s switch fabric and external networks.

• Scalable performance—Supports multi-gigabit bandwidth switching capacities ranging

from 5 to 60 Gbps, providing high-performance support for IP-based networks and wide-area networks (WANs).

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• Scalable services—Supports sophisticated congestion management, multicast services,

and quality-of-service (QOS) features.

• Carrier-class design—Supports extensive SONET/Synchrononous Digital Hierarchy

(SDH) integration; supports a hot-swapping capability for field-replaceable units (FRUs).

Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

The networking capabilities and features of the Cisco 12000 series of routers make them ideally suited to meet the needs of the following classes of users:

• Int ernet service providers (ISPs)

• Carriers providing Internet services and utilities

• Competitive access providers (CAPs)

• Enterprise wide-area network (WAN) backbones

• Metropolitan-area network (MAN) backbones

Features of the Cisco 12008 Router

The Cisco 12008 router incorporates a hi gh-speed s witching f abric that provides high datahandling capacities for IP-based local- and wide-area networks. Figure 1-1 is a front view of the Cisco 12008 router.

All of the router’s major components and FRUs are accessible from the front of the router enclosure, making the router easy to install, configure, and maintain.

Features of the Cisco 12008 Router

Product Overview 1-3

Features of the Cisco 12008 Router

Figure 1-1 Cisco 12008 Gigabit Switch Router

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The Cisco 12008 supports the following features:

• Online insertion and removal (OIR) capability—This feature allows you to insert or

remove the following router components: — Power supplies—One AC-input power supply or one DC-input power supply is a

required router component. You can remove or replace a power supply, without disrupting system operatio ns , on ly i f a seco nd ( redundant) unit of the same type i s installed in the system.

Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

Features of the Cisco 12008 Router

The power supplies of bo th types are hot-swappable, lo ad-sharing units. In a system equipped with two A C-input power supplie s or two DC-input po wer supplies, i f one of the units fails or if the power source for one of the units fails, the surviving power supply continues to operate to sustain normal router operations.

Note The Cisco 12008 does not support a mixture of AC-input and DC-input power

supplies.

— Cisco 12 000 s eries l ine cards—Any line card s upported by the Cisco 12008 router

can be inserted into or removed from the router with no disruption to system operations.

However, the functio ns performed by the removed card are lost to the system temporarily until the card is either reinstalled or replaced by a like (and identically configured) line card.

— Route Processor (RP)—As a requir ed router component, an R P can be remov ed and

replaced, but you must power down the router before doing so. An RP must be installed and operational at all times fo r normal sy st em oper a tio ns

to be sustained.

— Clock and scheduler card (CSC)—Also a required component, a CSC can be

removed and replaced, without disrupting normal system operations, only if a second (redundant) CSC is installed in the system.

One CSC must be present and operational at all times to maintain normal system operations.

— Switch fabric card (SFC)—An optional set of three SFCs can be installed in the

router at any time to provide additional switch fabric to the router. These cards increase the data handling capacity of the router.

Any one or all of th e SFCs can be remov ed and rep laced at any time without system operations being disrupted or the router being powered down.

For the length of time that any SFC is not functional, its switch fabric is lost to the router as a potential data path for the router’s data han dling and switchi ng functions.

Product Overview 1-5

Overview of the Cisco 12008

Separately orderable document s called conf igur ation notes or replacement instructions are available for each of the FRUs described previously. These documents provide installation, removal, replacement, and configuration instructions for the FRUs.

• Environmental monitoring system—Th e maintenance bus (MBus) facility of the Cisco

12008 functions as an environmental monitoring system for the router, enabling the router to monitor itself and alert site personnel to adverse electrical events or environmental conditions.

MBus software running in the RP, in combination with LEDs on the CSC faceplate, keep site personnel informed regarding the operational state of the router.

By signaling alarm conditions, such as component overheating or out-of-tolerance voltages, the router enables you to resolve adverse environmental conditions before operational limits are exceeded, thus preventing the router from shutting down.

The MBus facility of the router is described in greater detail in the section entitled

“Cisco 12008 Environmental Monitoring Facility” on page 74.

• Downloadable software—This feature allows you to remotely load new operational

software into Flash memory on the RP without physically accessing the router. Thus, you can quickly, easily, and reliably perform software upgrades at any time.

Overview of the Cisco 12008

The Cisco 12008 is a modular system consisting of the elements shown in Figure 1-2. The following sections describe the major elements of the Cisco 12008 in greater detail.

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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

Figure 1-2 Major Components of the Cisco 12008

Router enclosure

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Overview of the Cisco 12008

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Product Overview 1-7

Overview of the Cisco 12008

Router Enclosure

The outer shell of the Cisco 12008 is a rigid, sheet metal structure with the following dimensions:

• Width—17.4 inches (44.6 cm)

• Depth—21.2 inches (54.4 cm)

• Height— 24.8 inches (63.6 cm)

This enclosure, which houses all of the router’s internal components, can be mounted in a telco rack or a four-post equipment rack, or the enclosure can be used as a freestanding unit.

The design of the enclosure permits front accessibility of all router components. All router components plug into a backplane that provides operating power for the components and interconnects them with each other.

The backplane, which is covered by a sheet metal panel that helps to completely enclose the rear of the router, incorporates a nonvolatile random access memory (NVRAM) module that stores the backplane serial number for identification an d revision control purposes. The contents of the NVRAM module are accessible from any line card slot.

Cable-Management System

The cable-management system provides an orderly and convenient way for you to manage the network interface cables running to and fr om the receiv e and trans mit ports of installed line cards.

Consisting of a cable-management tray and a vertical cable-management bracket (one bracket for each installed line card), the cable-management system (see Figure 1-3) secures the network interface cables neatly in place. The cable management system helps to optimize optical cable performance by eliminating any kinks or sharp bends in the cables. Extreme curvatures in optical cables tend to degrade their performance.

The elements of the cable-management system are shown in Figure 1-3 and described briefly in the following sections:

• Cable-management tray—This tray is attached to the router enclosure above the upper

card cage.

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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

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