About This Guide

Juniper Networks Router Overview

Cheat Sheet for the CLI Commands

Work with Problems on Your Network

Stop and Start JUNOS Software

Display JUNOS Software Information

Check Router Configuration

Upgrade JUNOS Software

Reinstall JUNOS Software

Verify Juniper Networks Routers

Verify Physical Interfaces on the Router

Verify the IS-IS Protocol and Adjacencies

Verify the OSPF Protocol and Neighbors

Verify the BGP Protocol and Peers

Verify the Routing Engine CPU Memory

Verify Traffic and Packets Through the Router

Use the ping and traceroute Commands

Use MIBs

Display Basic Chassis Information

Display and Locate Files and Directories

Check Time on a Router

Check User Accounts and Permissions

Track Normal Operations

Track Error Conditions

Collect Crash Data