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Junos Troubleshooting in the NOC

  • Tuition USD $2,100
  • Reviews star_rate star_rate star_rate star_rate star_half 482 Ratings
  • Course Code JP-JTNOC
  • Duration 3 days
  • Available Formats Classroom

This three-day course is designed to provide introductory troubleshooting skills for engineers in a network operations center (NOC) environment. Key topics within this course include troubleshooting methodology, troubleshooting tools, hardware monitoring and troubleshooting, interface monitoring and troubleshooting, troubleshooting the data plane and control plane on devices running the Junos operating system, staging and acceptance methodology, troubleshooting routing protocols, monitoring the network, and working with JTAC. This course is based on Junos OS Release 12.2R2.5.

Skills Gained

  • After successfully completing this course, you should be able to:
  • 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, JFlow, and port mirroring.
  • Become familiar with JTAC procedures.

Who Can Benefit

  • 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.


  • JTNOC is an introductory-level course. You should have basic networking knowledge and an understanding of the Open Systems Interconnection (OSI) reference model and the TCP/IP protocol suite and also attend the Introduction to the Introduction to the Operating System (IJOS) course or have equivalent experience prior to attending this class.

Course Details

Junos Troubleshooting in the NOC

  • Day 1Chapter 1: Course IntroductionChapter 2: Troubleshooting as a ProcessBefore You Begin
  • The Troubleshooting Process
  • Special Challenges
  • Lab 1: The Troubleshooting Process
  • Chapter 3: Junos Product FamiliesThe Junos OS
  • Control Plane and Data Plane
  • Field-Replaceable Units
  • Junos Product Families
  • Lab 2: Identifying Hardware Components
  • Chapter 4: Troubleshooting ToolkitTroubleshooting Tools
  • Best Practices
  • Online Resources
  • Lab 3: Monitoring Tools and Establishing a Baseline Day 2 Chapter 5: Hardware and Environmental ConditionsHardware Troubleshooting Overview
  • Memory and Storage
  • Boot Monitoring
  • Hardware-Related System Logs
  • Chassis and Environmental Monitoring
  • Lab 4: Monitoring Hardware and Environmental Conditions
  • Chapter 6: Control PlaneControl Plane Review
  • System and User Processes
  • Routing Tables and Protocols
  • Monitoring Bridging
  • Monitoring the Address Resolution Protocol
  • Lab 5: Control Plane Monitoring and Troubleshooting
  • Chapter 7: Data Plane: InterfacesInterface Properties
  • General Interface Troubleshooting
  • Ethernet Interface Troubleshooting
  • Lab 6: Monitoring and Troubleshooting Ethernet Interfaces
  • Chapter 8: Data Plane: Other ComponentsDefinition of a Data Plane Problem
  • Data Plane Components
  • Data Plane Forwarding
  • Load-Balancing Behavior
  • Firewall Filters and Policers
  • Data Plane Troubleshooting Case Study
  • Lab 7: Isolate and Troubleshoot PFE Issues Day 3Chapter 9: Staging and Acceptance TestingPhysical Inspection and Power-on
  • General System Checks
  • Interface Testing
  • Chapter 10: Troubleshooting Routing ProtocolsTroubleshoot OSPF
  • Troubleshoot BGP
  • Troubleshoot Routing Loops
  • Troubleshoot Route Oscillation
  • Lab 8: Troubleshooting Routing Protocols
  • Chapter 11: High AvailabilityGraceful Routing Engine Switchover
  • Graceful Restart
  • Nonstop Active Routing
  • Nonstop Bridging
  • Unified In-service Software Upgrade
  • Chapter 12: Network MonitoringSNMPv2c
  • SNMPv3
  • RMON
  • Inline JFlow
  • Inline Port Mirroring
  • Lab 9: Monitoring the Network
  • Chapter 13: JTAC ProceduresSupport Cases
  • Support Tools
  • Transferring Files to JTAC Appendix A: Interface TroubleshootingTroubleshooting Serial Interfaces
  • Troubleshooting
  • Troubleshooting T1, E1, T3, E3 Interfaces
  • Troubleshooting SONET Interfaces
  • Troubleshooting ATM Interfaces
  • Troubleshooting Aggregated Interfaces

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What if I have training credits?

ExitCertified honors all savings programs from the partners we work with. ExitCertified also offers training credits across multiple partners through our FLEX Account.

When does class start/end?

Classes begin promptly at 9:00 am, and typically end at 5:00 pm.


Lunch is normally an hour long and begins at noon. Coffee, tea, hot chocolate and juice are available all day in the kitchen. Fruit, muffins and bagels are served each morning. There are numerous restaurants near each of our centers, and some popular ones are indicated on the Area Map in the Student Welcome Handbooks - these can be picked up in the lobby or requested from one of our ExitCertified staff.

How can someone reach me during class?

If someone should need to contact you while you are in class, please have them call the center telephone number and leave a message with the receptionist.

What languages are used to deliver training?

Most courses are conducted in English, unless otherwise specified. Some courses will have the word "FRENCH" marked in red beside the scheduled date(s) indicating the language of instruction.

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