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Advanced Junos Enterprise Switching Troubleshooting (AJEXT)

Advanced Junos Enterprise Switching Troubleshooting (AJEXT) Training


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  • 1 Days Course
    Routing & Switching



    This one-day course is designed to provide students with information about troubleshooting spanning tree protocols, Q-in-Q tunneling, port security features, multicast, and class of service (CoS). Students will gain experience in monitoring and troubleshooting these topics through demonstration as well as hands-on labs. The course exposes students to common troubleshooting commands and tools used to troubleshoot various intermediate to advanced issues.


    This course uses Juniper Networks EX Series Switches for the hands-on component, but the lab environment does not preclude the course from being applicable to other Juniper hardware platforms running the Junos OS. This course is based on Junos OS Release 12.3R1.7.


    After successfully completing this course, you should be able to:

    • Verify and troubleshoot Spanning Tree Protocol (STP).
    • Verify and troubleshoot Rapid Spanning Tree Protocol (RSTP).
    • Verify and troubleshoot Multiple Spanning Tree Protocol (MSTP).
    • Verify and troubleshoot VLAN Spanning Tree Protocol (VSTP).
    • Verify and troubleshoot Q-in-Q tunneling.
    • Verify and troubleshoot port authentication and security.
    • Verify and troubleshoot multicast.
    • Verify and troubleshoot class of service.
    • List the general chassis components.
    • Identify different methods for troubleshooting major chassis components.
    • Troubleshoot Virtual Chassis.

    Course Level :  Advanced Junos Enterprise Switching Troubleshooting is an advanced-level course.


    Day 1

    Chapter 1: Course Introduction

    Chapter 2: Troubleshooting Spanning Tree Protocols

    • Spanning Tree Protocols Overview
    • STP
    • RSTP
    • MSTP
    • VSTP
    • Troubleshooting Spanning Tree Protocols Lab

    Chapter 3: Troubleshooting Port Security

    • Port Security Features
    • Authentication and Access Control
    • Troubleshooting Port Security Lab

    Chapter 4: Troubleshooting Advanced Features

    • Q-in-Q Tunneling
    • Multicast
    • Class of Service
    • Troubleshooting Advanced Features Lab

    Appendix A: Hardware and Virtual Chassis Troubleshooting

    • General Chassis Components
    • Redundancy
    • Hardware Case Study

    Pubblico di destinazione

    The primary audience for this course is the following:

    • Individuals responsible for configuring and monitoring devices running the Junos OS.


    The following are the prerequisites for this course: