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AJER - Advanced Junos Enterprise Routing (AJER)

This four-day course is designed to provide students with the tools required for implementing, monitoring, and troubleshooting Layer 3 components in an enterprise network. Detailed coverage of OSPF, BGP, class of service (CoS), and multicast is strongly emphasized. The course also exposes students to common troubleshooting commands and tools used to troubleshoot various intermediate to advanced issues. Through demonstrations and hands-on labs, students will gain experience in configuring and monitoring the Junos operating system and in monitoring device and protocol operations.

This course uses Juniper Networks vSRX virtual firewall 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 15.1X49-D70.

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Prerequisites


Students should have basic networking knowledge and an understanding of the Open Systems Interconnection (OSI) model and the TCP/IP protocol suite. Students should also have working experience with basic routing principles.
Students should also attend the Introduction to the Junos Operating System (IJOS) and Junos Intermediate Routing (JIR) courses prior to attending this class.

Detailed Class Syllabus


Chapter 1: Course Introduction


Course Introduction

Chapter 2: OSPF


OSPFv2 Review
Link-State Advertisements
Protocol Operations
OSPF Authentication
OSPFv3

Chapter 3: OSPF Areas


Review of OSPF Areas
Stub Area Operation
Stub Area Configuration
NSSA Operation
NSSA Configuration
Route Summarization
Lab: Configuring and Monitoring OSPF Areas and Route Summarization

Chapter 4: OSPF Case Studies and Solutions


IGP Transition Overview
Transition Case Study
OSPF Multi-Area Adjacencies
External Reachability
Virtual Links

Chapter 5: Troubleshooting OSPF


OSPF Troubleshooting

Chapter 6: BGP


Review of BGP
BGP Operations
Load Balancing Options
Path Selection and Configuration Options

Chapter 7: BGP Attributes and Policy


Policy and BGP
BGP Attributes
Details and Manipulation of Common BGP Path Attributes

Chapter 8: Troubleshooting BGP


BGP Troubleshooting
BGP Case Study

Chapter 9: Enterprise Routing Policies


Enterprise BGP Core Network Design
Enterprise External Network Deployment

Chapter 10: Troubleshooting Policies


Routing Policy Overview
Routing Policy Structure
Using Regex
Routing Policy Troubleshooting
Case Study

Chapter 11: Introduction to Multicast


Overview of Multicast
Multicast Addressing
RPF
IGMP

Chapter 12: Multicast Routing Protocols and SSM


Overview of Multicast Routing Protocols
PIM-SM Using the ASM Model
Lab: Implementing PIM-SM
PIM-SM Using the SSM Model

Chapter 13: Troubleshooting Multicast


Multicast Troubleshooting
Multicast Case Study

Chapter 14: Class of Service


CoS Components Review and Case Study
CoS Processing and CoS Defaults on the SRX Series Device
Policing
Virtual Channels
Monitoring with Resource Performance Monitoring

Chapter 15: Troubleshooting Class of Service


CoS Troubleshooting
CoS Case Study