Objectives

This guide provides descriptions of the JUNOS software commands that you use to monitor and troubleshoot routing protocols, protocol-independent features, and policies, including firewall filters, forwarding options, and routing policies.

For additional commands, see these guides:

• JUNOS System Basics and Services Command Reference
• JUNOS Interfaces Command Reference

Note: This guide documents Release 9.3 of the JUNOS software. For additional information about the JUNOS software—either corrections to or information that might have been omitted from this guide—see the software release notes at http://www.juniper.net/.

For information about configuration statements and guidelines related to the commands described in this reference, see the following configuration guides:

• JUNOS Routing Protocols Configuration Guide—Includes configuration statements and guidelines for routing protocols and protocol-independent features.
• JUNOS Policy Framework Configuration Guide—Includes configuration statements and guidelines for policies, including firewall filters, forwarding options, and routing policies.
• JUNOS MPLS Applications Configuration Guide—Includes configuration statements and guidelines for Multiprotocol Label Switching (MPLS) traffic engineering.
• JUNOS VPNs Configuration Guide—Includes configuration statements and guidelines for Layer 2 and Layer 3 virtual private networks (VPNs), virtual private LAN service (VPLS), and Layer 2 circuits.

For information about MPLS-related tasks performed by network operations center (NOC) personnel, see the JUNOS MPLS Network Operations Guide.

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