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Training

Service Provider Routing

OTJNR-M/T

Operation and Troubleshooting of Juniper Networks Routers - M/T-Series (OTJNR-M)

Course ID	:	EDU-JUN-OTJNR
Length	:	Three days
Lab	:	Total of 9 routers - 6 M7i and 3 M5 high performance Juniper routers are interconnected for real hands-on learning.

Course Overview

The Operation and Troubleshooting of Juniper Networks Routers (OTJNR) course is an intermediate-level, instructor-led course that focuses on the operation and troubleshooting of Juniper Networks M-series and T-series platforms. This course exposes attendees to fault analysis procedures and troubleshooting techniques similar to those used by engineers in the Juniper Networks Technical Assistance Center (JTAC) to enable rapid problem determination and resolution. Please note that this course does not focus on configuration or on routing protocol operation/theory.

The course allocates significant time for a variety of hands-on troubleshooting labs that focus on fault isolation and correction actions for M-series and T-series hardware, JUNOS software, interfaces and transmission lines, routing protocols, and the forwarding plane. The course also provides coverage of JTAC procedures and recommended best practices that assist in fault isolation. The three-day OTJNR class is the recommended prerequisite for attendance of the Introduction to Juniper Networks Routers (IJNR-M) class, which focuses on routing protocol theory and configuration.

Course Contents

Day One


»	Overview of M-series and T-series Hardware
»	Describe the current M-series and T-series platform offerings
»	Describe general installation procedures for M-series and T-series routers
»	Explain the architecture of Juniper Networks M-series and T-series platforms
»	Describe the function of the RE, FPCs, PICs, and System and Control boards
»	Operate the Craft Interface
»	Describe packet flow through M-series and T-series platforms
»	The JUNOS Software CLI
»	Log into a Juniper Networks M-series or T-series router
»	Issue operational-mode commands
»	Enter the configuration mode
»	Navigate the candidate configuration
»	Modify the candidate configuration
»	Commit a new active configuration
»	Compare configuration files
»	Save and manipulate configuration files
»	Run operational-mode commands while in configuration mode
»	The M-series and T-series Troubleshooting Tool Kit
»	Explain why some of the information in this module can be disruptive to a production network
»	Describe the layered troubleshooting methodology
»	Use various troubleshooting tools
»	The JUNOS software CLI
»	The Craft Interface
»	System logs and tracing
»	Interactive shell
»	Core files
»	JTAC Knowledge Base/bug search
»	Explain JTAC recommendations for current best practices that promote troubleshooting
»	Describe characteristics of the sample troubleshooting lab topology

Day Two

»	Hardware Troubleshooting
»	Provide an overview of hardware troubleshooting tools
»	Describe the power-up and power-down procedures and available boot options
»	Troubleshoot M-series and T-series platforms using visual indicators
»	Troubleshoot M-series and T-series platforms using the CLI
»	Parse log files for symptoms of hardware problems
»	Software Troubleshooting
»	Describe key characteristics of JUNOS software and the role of the JUNOS kernel and routing protocol daemon
»	Describe the JUNOS software file structure
»	Display system processes
»	Describe when system snapshots should be taken and how they are used
»	Reinstall from removable media and update software image on removable media
»	Locate and submit core files for JTAC analysis
»	Obtain PFE NVRAM information for PFE crash analysis
»	Recover a lost root password
»	Interface Troubleshooting
»	Describe interface naming conventions
»	Explain the difference between permanent and transient interfaces
»	Configure loopbacks and BERT
»	Use operational-mode commands to monitor and troubleshoot a variety of interface types

Day Three

»	Troubleshooting and Monitoring the Forwarding Plane
»	Describe the concept of a forwarding plane problem
»	Display entries in the RE and PFE forwarding table
»	Detect the presence of interface policers
»	Detect the presence of firewall filters
»	Troubleshoot MTU-related problems
»	JTAC Procedures
»	Follow recommended procedures to open a support case
»	Correctly transfer files to JTAC
»	Assess support resources
»	Download JUNOS software
»	Download documentation
»	Appendices
»	Appendix A: Platform Details
»	Per-platform details and caveats for M-series and T-series platforms
»	Appendix B: Troubleshooting Routing Protocols
»	Explain general OSPF and IS-IS operation
»	Monitor the operation of OSPF and IS-IS
»	Describe the primary characteristics of the BGP protocol
»	Monitor the operation of BGP
»	Describe the role of JUNOS software routing policy
»	Use commands to display routes that are sent to or learned from a particular neighbor
»	Obtain general protocol statistics and map ports to services
»	Describe what a scheduler slip is and how to determine the cause

Note: M7i, M5, JUNOS, CJNR-M, IJNR-M are trademarks of Juniper Networks Inc.

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