Troubleshooting Junos Platforms
Objectives
After successfully completing this course, you should be able to:
-Describe current Junos platforms offerings.
-Describe general installation procedures.
-Explain the architecture of platforms running Junos OS.
-Describe the function of Junos platform components.
-Describe layered troubleshooting methodology.
-Use various troubleshooting tools.
-Explain Juniper Networks Technical Assistance Center (JTAC) recommendations for current troubleshooting best practices.
-Troubleshoot platforms running Junos OS using visual indicators.
-Troubleshoot platforms running Junos OS using the CLI.
-Troubleshoot Junos platform interfaces. and
-Describe recommended JTAC troubleshooting processes and guidelines.
Intended Audience
This course benefits individuals responsible for maintaining and monitoring devices running Junos OS.
Course Level
This is an introductory-level course.
Prerequisites
Students should have taken the Introduction to Junos OS (IJS) course. Students should also have basic networking knowledge, an understanding of the OSI model, and an understanding of the TCP/IP protocol suite.
Course Contents
Day 1
Chapter 1: Course Introduction
Chapter 2: Overview of Junos Platforms
Overview of Platforms Running Junos OS
Installation and Handling Guidelines
Platform Architecture and Components
Interface Overview
Chapter 3: Troubleshooting Tool Kit for Platforms Running Junos OS
Caveats and Warnings
Troubleshooting Methodology
Troubleshooting Tools
Best-Practices Case Study
Lab 1: Junos Troubleshooting Tools
Day 2
Chapter 4: Hardware Troubleshooting
Hardware Troubleshooting Overview
Power-Up, Power-Down, and Boot Media
Using the CLI to Troubleshoot
Case Study
Lab 2: Chassis Hardware Troubleshooting
Chapter 5: Interface Troubleshooting
Interface Configuration Overview
General Interface Troubleshooting
Media-Specific Interface Troubleshooting
Case Study
Lab 3: Interface Troubleshooting
Chapter 6: JTAC Processes, Guidelines, and Support Resources
Opening a Support Case
Support Services
How to Use FTP to Send Files to JTAC
Appendix A: Junos Platform Details
Primary Components and Characteristics of Multiservice Edge Routers (M Series and T Series)
Primary Components and Characteristics of Ethernet Services Routers and Switches (MX Series and EX Series)
Primary Components and Characteristics of Security Services Gateways (SRX Series)
End-of-Life Products
Appendix B: Packet Flow Details
Describe the real-time operating system packet flow
Describe the ABC chipset packet flow
Describe the LMNR chipset packet flow