Configuration Statements and Identifiers

You configure all router properties by including statements in the configuration. A statement consists of a keyword, which is fixed text, and, optionally, an identifier. An identifier is an identifying name that you define, such as the name of an interface, or a username, which allows you and the CLI to discriminate among a collection of statements.

The following list shows the statements available at the top level of the configuration mode (that is, the trunk of the hierarchy tree). Table 25 describes each statement.

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user@host# set ?

Possible completions:

> access                  Network access configuration

> accounting-options                                        Accounting data configuration

> applications                                                 Define applications by protocol characteristics

+ apply-groups                                                Groups from which to inherit configuration data

> chassis                                                     Chassis configuration

> class-of-service                                             Class-of-service configuration

> firewall                                                     Define a firewall configuration

> forwarding-options                                          Configure options to control packet sampling

> groups                                                       Configuration groups

> interfaces                                                   Interface configuration

> isdn                                                         ISDN process configuration

> logical-routers                                              Logical routers

> policy-options                                               Routing policy option configuration

> protocols                                                    Routing protocol configuration

> routing-instances                                            Routing instance configuration

> routing-options                                              Protocol-independent routing option configuration

> security                                                     Security configuration

> services                                                     Service PIC applications settings

> snmp                                                         Simple Network Management Protocol configuration

> system                                                      System parameters

An angle bracket ( > ) before the statement name indicates that it is a container statement and you can define other statements at levels below it.

If there is no angle bracket ( > ) before the statement name, the statement is a leaf statement; you cannot define other statements at hierarchy levels below it.

A plus sign ( + ) before the statement name indicates that it can contain a set of values. To specify a set, include the values in brackets. For example:

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user@host# set policy-options community my-as1-transit members [65535:10 
65535:11] 

In some statements, you can include an identifier. For some identifiers, such as interface names, you must specify the identifier in a precise format. For example, the interface name so-0/0/0 refers to a SONET/SDH interface that is on the Flexible PIC Concentrator (FPC) in slot 0, in the first Physical Interface Card (PIC) location, and in the first port on the PIC. For other identifiers, such as interface descriptive text, policy, and firewall term names, you can specify any name, including special characters, spaces, and tabs.

You must enclose in quotation marks (double quotes) identifiers and any strings that include the following characters: space tab ( ) [ ] { } ! @ # $ % ^ & | ' = ? 

Table 25 describes each top-level CLI configuration mode statement.

Table 25: Configuration Mode Top-Level Statements

Statement	Description
accounting-options	Configure accounting statistics data collection for interfaces and firewall filters. For information about the statements in this hierarchy, see the JUNOS Network Management Configuration Guide.
chassis	Configure properties of the router chassis, including the clock source, conditions that activate alarms, and SONET/SDH framing and concatenation properties. For information about the statements in this hierarchy, see the JUNOS Network Interfaces Configuration Guide and the JUNOS Class of Service Configuration Guide.
class-of-service	Configure class-of-service parameters. For information about the statements in this hierarchy, see the JUNOS Network Interfaces Configuration Guide and the JUNOS Class of Service Configuration Guide.
firewall	Define filters that select packets based on their contents. For information about the statements in this hierarchy, see the JUNOS Policy Framework Configuration Guide.
forwarding-options	Define forwarding options, including traffic sampling options. For information about the statements in this hierarchy, see the JUNOS Network Interfaces Configuration Guide and the JUNOS Class of Service Configuration Guide.
groups	Configure configuration groups.
interfaces	Configure interface information, such as encapsulation, interfaces, virtual channel identifiers (VCIs), and data-link channel identifiers (DLCIs). For information about the statements in this hierarchy, see the JUNOS Network Interfaces Configuration Guide and the JUNOS Class of Service Configuration Guide.
policy-options	Define routing policies, which allow you to filter and set properties in incoming and outgoing routes. For information about the statements in this hierarchy, see the JUNOS Routing Protocols Configuration Guide.
protocols	Configure routing protocols, including Border Gateway Protocol (BGP), Intermediate System-to-Intermediate System (IS-IS), Open Shortest Path First (OSPF), Routing Information Protocol (RIP), Multiprotocol Label Switching (MPLS), Label Distribution Protocol (LDP), and Resource Reservation Protocol (RSVP). For information about the statements in this hierarchy, see the chapters that discuss how to configure the individual routing protocols in the JUNOS Routing Protocols Configuration Guide and the JUNOS MPLS Applications Configuration Guide.
routing-instances	Configure multiple routing instances. For information about the statements in this hierarchy, see the JUNOS Routing Protocols Configuration Guide.
routing-options	Configure protocol-independent routing options, such as static routes, autonomous system (AS) numbers, confederation members, and global tracing (debugging) operations to log. For information about the statements in this hierarchy, see the JUNOS Routing Protocols Configuration Guide.
snmp	Configure Simple Network Management Protocol (SNMP) community strings, interfaces, traps, and notifications. For information about the statements in this hierarchy, see the JUNOS Network Management Configuration Guide.
system	Configure systemwide properties, including the hostname, domain name, Domain Name System (DNS) server, user logins and permissions, mappings between hostnames and addresses, and software processes.