Junos Troubleshooting in the NOC

Duration : 4 Days (32 Hours)

Junos Troubleshooting in the NOC Course Overview:

This four-day course is an introductory program designed to equip engineers in a network operations center (NOC) environment with essential troubleshooting skills. The course covers a range of key topics, including troubleshooting methodology, the use of troubleshooting tools, hardware monitoring, interface monitoring, diagnosing issues with the data plane and control plane on devices running the Junos operating system, securing the control plane, staging and acceptance methodology, troubleshooting routing protocols, network monitoring, addressing challenges with vMX devices, and collaborating with JTAC support. Practical labs in the course utilize virtual MX (vMX) devices, and the curriculum is aligned with Junos OS Release 19.3R2.

Intended Audience:

  • The course content is aimed at operators of devices running the Junos OS in a NOC environment. These operators include network engineers, administrators, support personnel, and reseller support personnel.

Learning Objectives of Junos Troubleshooting in the NOC:

  • Reduce the time it takes to identify and isolate the root cause of an issue
    impacting your network.
  • Describe Junos products and related information and recovery options.
  • List various tools that can be used to troubleshoot Junos devices.
  • Explain Junos CLI commands used in troubleshooting.
  • Identify and isolate hardware issues.
  • Troubleshoot problems with the control plane.
  • Describe control plane protection features.
  • 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 Telemetry
    Interface, Junos Traffic Vision (formerly known as JFlow), and port mirroring.
  • Monitor and troubleshoot vMX routers.
  • Describe JTAC procedures and how to navigate the customer support site.

Module 1: Course Introduction

  1. Course Introduction

Module 2: Troubleshooting as a Process 2. Before You Begin

  1. The Troubleshooting Process
  2. Challenging Network Issues

Module 3: Junos Product Families 5. The Junos OS

  1. Control Plane and Data Plane
  2. Field-Replaceable Units
  3. Junos Product Families
    • Lab 1: Identifying Hardware Components

Module 4: Troubleshooting Toolkit 9. Troubleshooting Tools

  1. Best Practices
  • Lab 2: Monitoring Tools and Establishing a Baseline

Module 5: Hardware and Environmental Conditions 11. Hardware Troubleshooting Overview

  1. Memory and Storage
  2. Boot Monitoring
  3. Hardware-Related System Logs
  4. Chassis and Environmental Monitoring
  • Lab 3: Monitoring Hardware and Environmental Conditions

Module 6: Control Plane 16. Control Plane Review

  1. System and User Processes
  2. Monitoring Routing Tables and Protocols
  3. Monitoring Bridging
  4. Monitoring the Address Resolution Protocol
  • Lab 4: Control Plane Monitoring and Troubleshooting

Module 7: Control Plane Protection 21. Protection Overview

  1. DDoS Protection
  2. Loopback Filter
  • Lab 5: Monitoring and Verifying DDoS Protection

Module 8: Data Plane – Interfaces 24. Interface Properties

  1. General Interface Troubleshooting
  2. Ethernet Interface Troubleshooting
  • Lab 6: Monitoring and Troubleshooting Ethernet Interfaces

Module 9: Data Plane – Other Components 27. Definition of a Data Plane Problem

  1. Data Plane Components
  2. Data Plane Forwarding
  3. Load-Balancing Behavior
  4. Firewall Filters and Policers
  5. Data Plane Troubleshooting Case Study
  • Lab 7: Isolate and Troubleshoot PFE Issues

Module 10: Staging and Acceptance Testing 33. Physical Inspection and Power-On

  1. General System Checks
  2. Interface Testing

Module 11: Troubleshooting Routing Protocols 36. Troubleshooting OSPF

  1. Troubleshooting BGP
  2. Troubleshooting Routing Loops and Remote Oscillation
  • Lab 8: Troubleshooting Routing Protocols

Module 12: High Availability 39. High Availability Overview

  1. Graceful Routing Engine Switchover
  2. Graceful Restart
  3. Nonstop Active Routing and Bridging
  4. Unified In-Service Software Upgrade

Module 13: Network Monitoring 44. SNMP

  1. RMON
  2. Telemetry
  3. Flow Monitoring
  • Lab 9: Monitoring the Network

Module 14: vMX Troubleshooting 48. vMX Overview

  1. Troubleshooting
  • Lab 10: Monitoring vMX

Module 15: JTAC Procedures 50. Opening a Support Case

  1. Customer Support Tools
  2. The Content of a PR
  3. Transferring Files to JTAC

Appendices A. Interface Troubleshooting

  • Interface Troubleshooting Chart
  • Troubleshooting Various Interface Types B. Junos RPM
  • RPM Overview
  • RPM Components
  • RPM Configuration
  • RPM Monitoring

Junos Troubleshooting in the NOC Course Prerequisites:

To enroll in this course, students should possess a foundational understanding of networking principles, including familiarity with the Open Systems Interconnection (OSI) reference model and the TCP/IP protocol suite. Prior completion of the “Introduction to the Junos Operating System (IJOS)” course is strongly recommended, or students should have equivalent hands-on experience with Junos OS before attending this class.

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  • Interaction and collaboration
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  • Familiar environment
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  • Team building
  • Immediate application

Training Exclusives

This course comes with following benefits:

  • Practice Labs.
  • Get Trained by Certified Trainers.
  • Access to the recordings of your class sessions for 90 days.
  • Digital courseware
  • Experience 24*7 learner support.

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