Reduce the time it takes to identify and isolate the root cause of an issue impacting your network.
Gain familiarity with Junos products as they pertain to troubleshooting.
Become familiar with online resources valuable to Junos troubleshooting.
Gain familiarity with Junos tools used in troubleshooting.
Identify and isolate hardware issues.
Troubleshoot problems with the control plane.
Troubleshoot problems with interfaces and other data plane components.
Describe the staging and acceptance methodology.
Troubleshoot routing protocols.
Describe how to monitor your network with SNMP, RMON, Junos Traffic Vision (formerly known as JFlow), and port mirroring.
Become familiar with JTAC procedures.
Chapter 1: Course Introduction
Chapter 2: Troubleshooting as a Process
Before You Begin
The Troubleshooting Process
Challenging Network Issues
The Troubleshooting Process Lab
Chapter 3: Junos Product Families
The Junos OS
Control Plane and Data Plane
Junos Product Families
Identifying Hardware Components Lab
Chapter 4: Troubleshooting Toolkit
Monitoring Tools and Establishing a Baseline Lab
Chapter 5: Hardware and Environmental Conditions
Hardware Troubleshooting Overview
Memory and Storage
Hardware-Related System Logs
Chassis and Environmental Monitoring
Monitoring Hardware and Environmental Conditions Lab
Chapter 6: Control Plane
Control Plane Review
System and User Processes
Monitoring Routing Tables and Protocols
Monitoring the Address Resolution Protocol
Control Plane Monitoring and Troubleshooting Lab
Chapter 7: Data Plane: Interfaces
General Interface Troubleshooting
Ethernet Interface Troubleshooting
Monitoring and Troubleshooting Ethernet Interfaces Lab
Chapter 8: Data Plane: Other Components
Definition of a Data Plane Problem
Data Plane Components
Data Plane Forwarding
Firewall Filters and Policers
Data Plane Troubleshooting Case Study
Isolate and Troubleshoot PFE Issues Lab
Chapter 9: Staging and Acceptance Testing
Physical Inspection and Power-on
General System Checks
Chapter 10: Troubleshooting Routing Protocols
Troubleshooting Routing Loops and Route Oscillation
Troubleshooting Routing Protocols Lab
Chapter 11: High Availability
High Availability Overview
Graceful Routing Engine Switchover
Nonstop Active Routing and Bridging
Unified In-Service Software Upgrade
Chapter 12: Network Monitoring
Monitoring the Network Lab
Chapter 13: JTAC Procedures
Opening a Support Case
Customer Support Tools
The Content of a PR
Transferring Files to JTAC
Appendix A: Interface Troubleshooting
Interface Troubleshooting Chart
Troubleshooting Various Interface Types