Advanced Junos Service Provider Troubleshooting

The primary audiences for this course are the following:

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

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

• Determine the right questions to ask when troubleshooting an issue.
• Identify general outputs and the type of information found in outputs.
• Simplify a complex network and recreate an issue in the lab environment.
• Describe packet loss in a network.
• List the general chassis components.
• Identify different methods for troubleshooting major chassis components.
• Troubleshoot redundant Routing Engine and Control Board communication.
• Isolate problems with interfaces.
• Troubleshoot IPv4 interfaces.
• Troubleshoot IPv6 interfaces.
• Identify an issue with software and the process of events to recreate the issue.
• Find relevant topics within the Juniper Networks Knowledge Base.
• List common commands used to troubleshoot and verify different interior gateway protocol (IGP) routing protocols.
• Troubleshoot and isolate different IGP issues.
• List common commands used to troubleshoot and verify BGP.
• Isolate different issues with BGP communication and configuration.
• Isolate problems on routing policy structure and configuration.
• Identify common commands for troubleshooting routing policy.
• Troubleshoot the MPLS signaling and forwarding plane.
• Troubleshoot Layer 3 VPNs.
• Troubleshoot Layer 2 VPNs.
• Troubleshoot virtual private LAN service (VPLS).
• Verify and troubleshoot multicast.
• Verify and troubleshoot class of service.

Day 1

Chapter 1: Course Introduction

Chapter 2: Advanced Troubleshooting Methodology

• The Troubleshooting Process
• Gathering Relevant Details
• Reproducing a Problem in a Lab Environment
• Root Cause Analysis
• Troubleshooting Packet Loss
• Troubleshooting Latency
• Troubleshooting Packet Loss Lab

Chapter 3: Hardware Troubleshooting

• General Chassis Components
• Redundancy
• Case Study

Chapter 4: Interface Troubleshooting

• Interfaces Overview
• General Interfaces
• IPv4 and IPv6
• Case Studies
• Interfaces Lab

Chapter 5: Troubleshooting Software Issues

• Identifying the Problem
• PR Searches
• KB Searches
• Identifying Workarounds and Permanent Fixes
• Case Studies

Chapter 6: IGP Troubleshooting

• OSPF
• OSPFv3
• ISIS
• IGPs Lab

Day 2

Chapter 7: BGP Troubleshooting

• IBGP
• EBGP
• Troubleshooting BGP Lab

Chapter 8: Policy Troubleshooting

• Routing Policy Overview
• Policy Structure
• Using Regular Expressions
• Useful Commands
• Case Studies
• Policies Lab

Chapter 9: Troubleshooting MPLS and VPNs

• MPLS
• Layer 3 VPN
• Layer 2 VPN
• VPLS
• Troubleshooting MPLS and VPNs Lab

Chapter 10: Troubleshooting Advanced Features

• Multicast
• Class of Service
• Troubleshooting Advanced Features Lab
• Appendix A: Troubleshooting RIP
• RIP
• RIPng

The following are the prerequisites for this course:

• Junos Troubleshooting in the NOC (JTNOC);
• Advanced Junos Service Provider Routing (AJSPR);
• Junos MPLS and VPNs (JMV);
• Junos Multicast Routing (JMR); and
• Junos Class of Service (JCOS).

Course Level
Advanced Junos Service Provider Troubleshooting is an advanced-level course.