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FRCJUN-2Juniper Networks

Junos Intermediate Routing (JIR)

This 3-day instructor-led course builds on foundational knowledge of Junos OS and focuses on intermediate routing concepts and protocols used in enterprise and service provider networks.

Duration · 3 daysVirtual + In-PersonInstructor-Led

$2,750

Course Description

This 3-day instructor-led course builds on foundational knowledge of Junos OS and focuses on intermediate routing concepts and protocols used in enterprise and service provider networks.

Students will gain hands-on experience configuring and troubleshooting dynamic routing protocols, implementing routing policies, and managing scalable routing environments using equipment from Juniper Networks.

The course emphasizes real-world routing design and operational troubleshooting using Junos-based devices

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Audience Profile

This course is intended for:

  • Network engineers with basic Junos experience
  • Engineers preparing for JNCIS-ENT or equivalent-level knowledge
  • Enterprise and service provider operations staff
  • Engineers responsible for routing design and troubleshooting

Prerequisites

Before enrolling, you should have:

  • Completion of Introduction to Junos OS (IJOS) or equivalent experience
  • Solid understanding of IP routing fundamentals
  • Basic experience with static routing and Junos CLI

— What You'll Learn —

Learning Objectives

In this course, you will learn to:

  • 1Describe how routes enter a routing table, and how routers choose the best routes for forwarding traffic.
  • 2Implement static routing within Junos OS.
  • 3Describe OSPF within Junos OS.
  • 4Describe how routing policies control what prefixes can enter the routing table and what prefixes can be advertised by protocols.
  • 5Deploy OSPF within Junos OS.
  • 6Implement IS-IS within Junos OS.
  • 7Implement BGP within Junos OS.
  • 8Deploy BGP within Junos OS.
  • 9Describe some important advanced routing policy features and behaviors.
  • 10Implement routing instances within Junos OS.
  • 11Implement load balancing within Junos OS.
  • 12Implement VRRP within Junos OS.
  • 13Implement graceful routing and Bidirectional Forwarding Detection (BFD) within Junos OS.
  • 14Implement high availability features—GRES, NSR, and unified ISSU— within Junos OS.
  • 15Implement IP tunneling within Junos OS.
  • 16Describe IPv6 within Junos OS.
  • 17Implement filter-based forwarding (FBF) within Junos OS.

— Day-by-Day —

Course Outline

Day 1 – Advanced Routing Fundamentals & OSPF

Module 1

Review of Junos Routing Architecture

  • Routing engine vs forwarding plane behavior
  • Routing tables and lookup process
  • Route preference and selection logic

Module 2

Dynamic Routing Overview

  • Interior vs exterior routing protocols
  • Link-state vs distance-vector concepts
  • Routing protocol adjacency fundamentals

Module 3

OSPF Fundamentals in Junos

  • OSPF areas and hierarchy
  • OSPF neighbor formation process
  • LSA types and flooding behavior (conceptual)

Module 4

OSPF Configuration in Junos

  • Enabling OSPF on interfaces
  • Area configuration (backbone and standard areas)
  • Route advertisement and verification

Lab 1

OSPF Deployment

  • Configure single-area OSPF
  • Establish neighbor adjacencies
  • Verify route exchange and convergence

Day 2 – Advanced OSPF, IS-IS, and Routing Policy

Module 5

Multi-Area OSPF Design

  • Area types and scalability
  • Route summarization concepts
  • Inter-area routing behavior

Module 6

IS-IS Fundamentals

  • IS-IS architecture overview
  • Levels (Level 1 / Level 2)
  • DIS election process

Module 7

IS-IS Configuration in Junos

  • Enabling IS-IS on interfaces
  • Level configuration and adjacency formation
  • Route advertisement and verification

Module 8

Routing Policy in Junos

  • Policy structure and logic flow
  • Terms, from, to, then statements
  • Import/export policies

Lab 2

Multi-Protocol Routing

  • Configure multi-area OSPF
  • Deploy IS-IS adjacency
  • Apply basic routing policies

Day 3 – BGP, Route Control & Troubleshooting

Module 9

Border Gateway Protocol (BGP) Fundamentals

  • eBGP vs iBGP concepts
  • Path selection attributes
  • BGP session establishment

Module 10

BGP Configuration in Junos

  • Peer configuration
  • Route advertisement control
  • Policy-based routing with BGP

Module 11

Advanced Routing Policy Applications

  • Prefix lists and route filters
  • Route redistribution concepts
  • Traffic engineering basics using policies

Module 12

Troubleshooting Routing in Junos

  • Using show route and protocol diagnostics
  • Neighbor troubleshooting (OSPF/IS-IS/BGP)
  • Common routing failures and fixes

Lab 3

Full Routing Scenario

  • Configure BGP peering
  • Apply routing policies for control
  • Troubleshoot simulated routing failure
  • Validate end-to-end connectivity

— The Big Picture —

Key Takeaways

  • Review of OSPF, IS-IS, and BGP concepts
  • Routing policy best practices
  • Operational troubleshooting methodology
  • Preparation path toward JNCIS-ENT certification

— What You'll Walk Away With —

Skills Gained

  • Configure and troubleshoot OSPF, IS-IS, and BGP on Junos devices
  • Implement routing policies for traffic control
  • Diagnose and resolve intermediate routing issues
  • Operate confidently in Juniper-based routed networks

Note: Course outlines are provided as a general guide. Content, pacing, labs, and instructional emphasis may vary based on instructor expertise, student experience levels, and customer-specific learning objectives.

— Keep Exploring —

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