Document Organization on page xviii. List of Technical Publications on page xviii. Documentation Conventions on page xx

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1 About This Manual This chapter provides a high-level overview of the M40 Internet R outer Har dware Guide : Objectives on page xvii Audience on page xvii Document Organization on page xviii List of Technical Publications on page xviii Documentation Conventions on page xx Contact Juniper Networks on page xx Documentation Feedback on page xxi Objectives This manual describes hardware installation and basic troubleshooting procedures for the Juniper Networks M40 Internet router. It explains how to prepare your site for router installation, unpack and install the hardware, power on the router, perform initial software configuration, and perform routine maintenance. After completing the installation and basic configuration procedures covered in this manual, refer to the JUNOS Internet software configuration guides for information about further JUNOS software configuration. To obtain additional information about the router either corrections to information in this manual or information that might have been omitted from this manual refer to the release notes available at the Juniper Networks hardware documentation Web site, The most current version of this manual is available at the same URL. To order printed copies of this manual or to order a documentation CD-ROM, which contains this manual, please contact your sales representative. Audience This manual is designed for network administrators who are installing and maintaining a Juniper Networks M40 Internet router, or preparing their site for router installation. It assumes a broad understanding of networks in general, the Internet in particular, networking principles, and network configuration. A detailed discussion of these concepts is beyond the scope of this manual. About This Manual xvii

2 Document Or ganization Document Organization This manual is divided into several parts: Preface, About This Manual (this chapter), provides a brief description of the contents and organization of this manual and describes how to obtain technical support. Part 1, Product Overview, provides an overview of the router, describing its hardware components, the JUNOS Internet software, and the system architecture. Part 2, Initial Installation, describes how to prepare your site for router installation, and how to unpack, install, and power on the router. It describes requirements and specifications for the installation site, power source, rack, wiring, and cabling. It also provides detailed safety guidelines and warnings. Part 3, Hardware Maintenance and Replacement Procedures, describes general maintenance procedures for the router and how to maintain and replace the router components. Part 4, Troubleshooting, describes general troubleshooting procedures for the router. It also tells you how to contact the Juniper Networks Technical Assistance Center (JTAC). Part 5, Appendixes, provides pinout specifications for several cable types, instructions for cleaning fiber-optic transceivers, instructions for returning the router or components, and a glossary of terms. Part 6, Index, provides an index of the manual. List of Technical Publications Table 1 lists the software and hardware books for Juniper Networks routers and describes the contents of each book. Table 1: Juniper Networks Technical Documentation Book Description JUNOS Internet Software Configuration Guides Feature Guide Provides a detailed explanation and configuration examples for several of the most complex features in the JUNOS software. Getting Started Provides an overview of the JUNOS software and describes how to install and upgrade the software. This manual also describes how to configure system management functions and how to configure the chassis, including user accounts, passwords, and redundancy. MPLS Applications Provides an overview of traffic engineering concepts and describes how to configure traffic engineering protocols. Multicast Provides an overview of multicast concepts and describes how to configure multicast routing protocols. Netw ork Interf aces and Class of Service Provides an overview of the network interface and class-of-service functions of the JUNOS software and describes how to configure the network interfaces on the router. Netw ork Management Provides an overview of network management concepts and describes how to configure various network management features, such as SNMP, accounting options, and cflowd. Policy Frame work Provides an overview of policy concepts and describes how to configure routing policy, firewall filters, and forwarding options. xviii M40 Internet Router Hardware Guide

3 List of Technical Publications Book Routing and R outing Protocols Services Interf aces VPNs JUNOS Internet Software References Operational Mode Command R eference: Interfaces Operational Mode Command R eference: Protocols, Class of Service, Chassis, and Management System L og Messages R eference JUNOScript API Documentation JUNOScript API Guide Description Provides an overview of routing concepts and describes how to configure routing, routing instances, and unicast routing protocols. Provides an overview of the services interfaces functions of the JUNOS software and describes how to configure the services interfaces on the router. Provides an overview of Layer 2 and Layer 3 Virtual Private Networks (VPNs), describes how to configure VPNs, and provides configuration examples. Describes the JUNOS Internet software operational mode commands you use to monitor and troubleshoot network and services interfaces on Juniper Networks M-series and T-series routers. Describes the JUNOS Internet software operational mode commands you use to monitor and troubleshoot most aspects of Juniper Networks M-series and T-series routers. Describes how to access and interpret system log messages generated by JUNOS software modules and provides a reference page for each message. Describes how to use the JUNOScript API to monitor and configure Juniper Networks routers. JUNOScript API R eference Provides a reference page for each tag in the JUNOScript API. JUNOS Internet Software Comprehensive Index Compr ehensiv e Inde x Provides a complete index of all JUNOS Internet software books and the JUNOScript API Guide. Hardware Documentation Hardware Guide Describes how to install, maintain, and troubleshoot routers and router components. Each platform has its own hardware guide. PIC Guide Describes the router Physical Interface Cards (PICs). Each router platform has its own PIC guide. Release Notes JUNOS Internet Softw are Release Notes Provide a summary of new features for a particular software release. Software release notes also contain corrections and updates to published JUNOS and JUNOScript manuals, provide information that might have been omitted from the manuals, and describe upgrade and downgrade procedures. Hardware Release Notes Describe the available documentation for the router platform and summarize known problems with the hardware and accompanying software. Each platform has its own release notes. JUNOScope Software JUNOScope Softw are Guide Describes the JUNOScope software graphical user interface (GUI), how to install and administer the software, and how to use the software to manage router configuration files and monitor router operations. About This Manual xix

4 Document ation Conv entions Documentation Conventions This manual uses the following text conventions: Router and router component labels are shown in a sans serif font. In the following example, MANAGEMENT ETHERNET is the label for the Ethernet management port on the router: The 10/100-Mbps Ethernet RJ-45 connector is used for out-of-band management of the router and is labeled MANAGEMENT ETHERNET. Statements, commands, filenames, directory names, IP addresses, and configuration hierarchy levels are shown in a sans serif font. In the following example, stub is a statement name and [edit protocols ospf area area-id] is a configuration hierarchy level: To configure a stub area, include the stub statement at the [edit protocols ospf area area-id] hierarchy level. In examples, text that you type literally is shown in bold. In the following example, you type the words show chassis alarms: For example, you can use the following command to get information about the source of an alarm condition: user@host> show chassis alarms Notes, cautions, and warnings are denoted by the following symbols: A note indicates information that might be helpful in a particular situation or that might otherwise be overlooked. A caution indicates a situation that requires careful attention. Failure to observe a cautionary note could result in minor injury or discomfort to you, or serious damage to the router. A warning indicates a potentially dangerous situation. Failure to follow the guidelines in a warning could result in severe injury or death. Contact Juniper Networks For technical support, contact Juniper Networks at support@juniper.net, or at JTAC (within the United States) or (+1) (from outside the United States). xx M40 Internet Router Hardware Guide

5 Documentation Feedback Documentation Feedback We are always interested in hearing from our customers. Please let us know what you like and do not like about the product documentation, and let us know of any suggestions you have for improving the documentation. Also, let us know if you find any mistakes in the documentation. Send your feedback and comments to About This Manual xxi

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