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 policy and protocol configuration components of the router:

• Chapter 1, "Routing Protocols Concepts," provides an overview of routing protocol. It discusses routing protocol terminology and concepts, including addresses, tracing operations, and route preferences.
• Chapter 2, "Complete Routing and Routing Protocol Configuration Statements," lists the complete configuration statement hierarchy for the statements discussed in this manual. For a complete list of all configuration mode statements and commands, see the JUNOS Internet Software System Basics Configuration Guide.

• Part 2, "Protocol-Independent Routing Properties," describes how to configure routing properties that are independent of a particular routing protocol:

• Chapter 3, "Protocol-Independent Routing Properties Overview," provides an overview of protocol-independent routing properties and how they affect systemwide routing operations.
• Chapter 4, "Configure Routing Tables and Routes," describes how to configure routing tables, static routes, aggregate routes, generated routes, and martian addresses.
• Chapter 5, "Configure Other Protocol-Independent Routing Properties," describes how to configure the AS number, router identifier, AS confederation members, and other protocol-independent routing properties.
• Chapter 6, "Logical Router Overview," describes how to configure a logical router.
• Chapter 7, "Summary of Protocol-Independent Routing Properties Configuration Statements," explains all the protocol-independent routing property configuration statements.

• Part 3, "Routing Instances," describes how to configure multiple OSPF routing instances:

• Chapter 8, "Routing Instances Overview," provides an overview of routing instances, which are routing entities for a router.
• Chapter 9, "Routing Instances Configuration Guidelines," describes how to configure multiple instances of BGP, IS-IS, OSPF, and RIP to segregate and identify certain traffic entities within a very large network.
• Chapter 10, "Summary of Routing Instances Configuration Statements," explains all routing instance configuration statements.

• Part 4, "Interior Gateway Protocols," describes how to configure the JUNOS software interior gateway protocols (IGPs):

• Chapter 11, "IS-IS Overview," provides an overview of the IS-IS protocol, which is an IGP that uses link-state information to make routing decisions, and describes how to configure IS-IS.
• Chapter 12, "IS-IS Configuration Guidelines," describes how to configure IS-IS.
• Chapter 13, "Summary of IS-IS Configuration Statements," explains all the IS-IS configuration statements.
• Chapter 14, "OSPF Overview," provides an overview of the OSPF protocol, which is an IGP that routes packets within a single AS.
• Chapter 15, "OSPF Configuration Guidelines," describes how to configure OSPF.
• Chapter 16, "Summary of OSPF Configuration Statements," explains all the OSPF configuration statements.
• Chapter 17, "RIP Overview," provides an overview of the RIP, which is a distance-vector IGP.
• Chapter 18, "RIP Configuration Guidelines," describes how to configure RIP.
• Chapter 19, "Summary of RIP Configuration Statements," explains all the RIP configuration statements.
• Chapter 20, "RIPng Overview," provides an overview of the RIPng, which is an IPv6 distance-vector IGP.
• Chapter 21, "RIPng Configuration Guidelines," describes how to configure RIPng.
• Chapter 22, "Summary of RIPng Configuration Statements," explains all the RIPng configuration statements.
• Chapter 23, "ICMP Router Discovery Overview," describes router discovery, which uses ICMP router advertisements and router solicitation messages to allow a host to discover the addresses of operational routers on the subnet.
• Chapter 24, "ICMP Router Discovery Configuration Guidelines," describes how to configure router discovery.
• Chapter 25, "Summary of ICMP Router Discovery Configuration Statements," explains all the ICMP configuration statements.
• Chapter 26, "Neighbor Discovery Overview," describes IPv6 neighbor discovery, which uses router advertisements and router solicitation messages to allow a host to discover the IPv6 addresses of operational routers on the subnet.
• Chapter 27, "Neighbor Discovery Configuration Guidelines," describes how to configure IPv6 neighbor discovery.
• Chapter 28, "Summary of Neighbor Discovery Router Advertisement Configuration Statements," explains all the IPv6 router advertisement configuration statements.

• Part 5, "BGP," describes how to configure BGP:

• Chapter 29, "BGP Overview," provides an overview of the BGP, which is an exterior gateway protocol that is used to exchange routing information among routers in different ASs, and describes how to configure BGP.
• Chapter 30, "BGP Configuration Guidelines," describes how to configure BGP.
• Chapter 31, "Summary of BGP Configuration Statements," explains all the BGP configuration statements.

This manual also contains a complete index and an index of statements and commands. For a list and description of glossary terms, see the JUNOS Internet Software Comprehensive Index and Glossary.