Document Organization

This manual is divided into several parts. Each part describes a major functional area of the JUNOS software, and the individual chapters within a part describe the software commands of that functional area.

This manual contains the following parts and chapters:

• Preface, About This Manual (this chapter), provides a brief description of the contents and organization of this manual and describes how to contact customer support.
• Part 1, "Overview," provides an overview of the JUNOS Internet Software Operational Mode Command Reference, describes the user command-line interface, and provides basic strategies for monitoring and troubleshooting the router:

• Chapter 1, "Command-Line Interface Overview," describes the basics of the interface that you use to monitor the JUNOS software. The CLI is the interface that you use whenever you access the router. For information about configuring the router, or for additional information about the CLI, see the JUNOS Internet Software Configuration Guide: Getting Started.
• Chapter 2, "Strategies for Monitoring and Troubleshooting the Router," describes basic strategies for monitoring and troubleshooting the network and lists the commands most commonly used for monitoring and troubleshooting.

• Part 2, "System Management," describes the CLI commands used to manage the router and chassis:

• Chapter 3, "Monitor and Perform System Management Functions," describes the commands for monitoring user access and performing system management.
• Chapter 4, "SNMP Monitoring and Troubleshooting," describes the commands for monitoring user access and performing SNMP management.
• Chapter 5, "M-Series Chassis Monitoring and Troubleshooting," describes the commands for monitoring the router chassis and troubleshooting chassis problems.
• Chapter 6, "T-Series Platform Monitoring and Troubleshooting," describes the commands for monitoring the T320 router and T640 Internet routing node chassis and troubleshooting chassis problems.
• Chapter 7, "Accounting Options Monitoring and Troubleshooting," describes the commands for monitoring accounting options and troubleshooting accounting options problems.

• Part 3, "Policy Framework," describes the CLI commands used to manage firewall filters and routing policy:

• Chapter 8, "Firewall Filters Monitoring and Troubleshooting," describes the commands for monitoring firewall filters and troubleshooting filter problems.
• Chapter 9, "Forwarding Options Monitoring and Troubleshooting," describes the commands for monitoring forwarding options and troubleshooting forwarding option problems.
• Chapter 10, "Routing Policy Monitoring and Troubleshooting," describes the commands for monitoring routing policy and troubleshooting routing policy problems.

• Part 4, "Class of Service," describes the CLI commands used to manage Class of Service:

• Chapter 11, "Class of Service Monitoring and Troubleshooting," describes the commands for monitoring Class of Service (CoS) and troubleshooting CoS problems.

• Part 5, "Protocols," describes the CLI commands used to monitor the JUNOS software routing policy, unicast routing protocols, and multicast protocols:

• Chapter 12, "Protocol-Independent Routing Monitoring and Troubleshooting," describes the commands for monitoring and troubleshooting protocol-independent routing properties.
• Chapter 13, "IS-IS Monitoring and Troubleshooting," describes the commands for monitoring IS-IS and troubleshooting IS-IS problems.
• Chapter 14, "OSPF Version 2 and OSPF Version 3 Monitoring and Troubleshooting," describes the commands for monitoring OSPF and troubleshooting OSPF problems.
• Chapter 15, "BGP Monitoring and Troubleshooting," describes the commands for monitoring BGP and troubleshooting BGP problems.
• Chapter 16, "RIP Monitoring and Troubleshooting," describes the commands for monitoring RIP and troubleshooting RIP problems.
• Chapter 17, "RIPng Monitoring and Troubleshooting," describes the commands for monitoring RIPng and troubleshooting RIPng problems.
• Chapter 18, "IPv6 Monitoring and Troubleshooting," describes the commands for monitoring IPv6 and troubleshooting IPv6 problems.
• Chapter 19, "IP Multicast Monitoring and Troubleshooting," describes the CLI commands for monitoring multicast protocols and troubleshooting multicast problems.

• Part 6, "MPLS Applications," describes the CLI commands used to manage traffic engineering:

• Chapter 20, "MPLS Monitoring and Troubleshooting," describes the commands for monitoring MPLS and troubleshooting MPLS problems.
• Chapter 21, "RSVP Monitoring and Troubleshooting," describes the commands for monitoring RSVP and troubleshooting RSVP problems.
• Chapter 22, "LDP Monitoring and Troubleshooting," describes the commands for monitoring LDP and troubleshooting LDP problems.
• Chapter 23, "Layer 2 VPN Monitoring and Troubleshooting," describes the commands for monitoring Layer 2 VPNs and troubleshooting Layer 2 VPN problems.
• Chapter 24, "Layer 3 VPN Monitoring and Troubleshooting," describes the commands for monitoring Layer 3 VPNs and troubleshooting Layer 3 VPN problems.

• Part 7, "Security," describes the commands used to monitor security:

• Chapter 25, "IPSec Monitoring and Troubleshooting," describes the commands for monitoring and troubleshooting IPSec problems.

This manual also contains a glossary, a complete index, and an index of statements and commands.