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FRCJUN-4Juniper Networks

Enterprise Routing & Switching Expert Bootcamp (JNCIP-ENT)

This 5-day expert-level instructor-led bootcamp prepares experienced network engineers for advanced enterprise routing and switching environments using Junos OS running on platforms from Juniper Networks.

Duration · 5 daysVirtual + In-PersonInstructor-Led

$4,350

Course Description

This 5-day expert-level instructor-led bootcamp prepares experienced network engineers for advanced enterprise routing and switching environments using Junos OS running on platforms from Juniper Networks.

The course is designed to validate expert-level skills required for the JNCIP-ENT certification, with heavy emphasis on scalable enterprise design, advanced routing protocols, switching technologies, high availability, and real-world troubleshooting across complex multi-protocol networks.

Students will work through intensive, scenario-based labs that simulate large enterprise and service provider-style campus environments.

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Audience Profile

This course is intended for:

  • Senior enterprise network engineers
  • Network architects and infrastructure designers
  • Government, DoD, and large enterprise engineers
  • Engineers pursuing JNCIP-ENT certification
  • Engineers transitioning into senior routing/switching roles

Prerequisites

Before enrolling, you should have:

  • Completion of Advanced Junos Enterprise Routing (AJER) or equivalent experience
  • Strong understanding of OSPF, IS-IS, and BGP
  • Hands-on experience with Junos configuration and troubleshooting
  • Familiarity with enterprise switching concepts (VLANs, STP, MC-LAG)

— Day-by-Day —

Course Outline

Day 1 – Enterprise Architecture, Advanced Switching & Design Foundations

Module 1

Enterprise Network Design Models

  • Hierarchical enterprise design (core, distribution, access)
  • Spine-leaf vs traditional campus architectures
  • High-scale enterprise routing/switching considerations

Module 2

Advanced Switching in Junos

  • VLAN architecture and trunking at scale
  • Spanning Tree Protocol variations and behavior
  • Ethernet switching domains in Junos environments

Module 3

Redundancy and Layer 2 Resiliency

  • MC-LAG concepts and design use cases
  • LACP and link aggregation strategies
  • Loop prevention and failure handling

Lab 1

Enterprise Switching Foundation

  • Configure VLANs and trunk links
  • Deploy redundant switching topology
  • Validate failover behavior

Day 2 – Advanced IGP Design (OSPF & IS-IS at Scale)

Module 4

OSPF Advanced Design

  • Multi-area OSPF optimization
  • ABR/ASBR role design at scale
  • LSA optimization and convergence tuning

Module 5

IS-IS Advanced Architecture

  • Level 1 / Level 2 hierarchy design
  • Route leaking strategies
  • Metric tuning and traffic engineering concepts

Module 6

IGP Design Comparison & Integration

  • OSPF vs IS-IS enterprise selection criteria
  • Migration strategies between IGPs
  • Redistribution risks and mitigation techniques

Lab 2

Multi-IGP Enterprise Deployment

  • Deploy OSPF and IS-IS in segmented domains
  • Implement controlled redistribution
  • Analyze convergence behavior under failure

Day 3 – Advanced BGP Engineering & Policy Control

Module 7

BGP at Enterprise Scale

  • iBGP scaling and route reflector design
  • Confederations and segmentation strategies
  • BGP session stability in large environments

Module 8

Advanced BGP Path Control

  • Local preference, MED, and AS path manipulation
  • Communities and extended communities
  • Traffic engineering using BGP attributes

Module 9

Policy-Based Routing Engineering

  • Junos routing policy architecture deep dive
  • Complex policy chaining and filtering
  • Route manipulation and conditional control

Lab 3

Enterprise BGP Engineering

  • Deploy route reflectors
  • Implement traffic engineering policies
  • Simulate multi-path optimization scenarios

Day 4 – Switching/Routing Integration & High Availability

Module 10

Routing and Switching Integration

  • L2/L3 boundary design
  • Inter-VLAN routing strategies
  • Scalable campus-to-core integration

Module 11

High Availability in Enterprise Networks

  • Graceful restart and nonstop routing
  • Fast reroute and convergence acceleration
  • Redundant gateway and uplink design

Module 12

Failure Domains and Resiliency Design

  • Identifying and isolating failure domains
  • Dual-homing and redundancy models
  • Operational continuity planning

Lab 4

Integrated Enterprise Design

  • Build combined L2/L3 enterprise topology
  • Simulate link and node failures
  • Validate resiliency and convergence

Day 5 – Troubleshooting, Optimization & Capstone Design

Module 13

Advanced Troubleshooting Methodology

  • Multi-layer troubleshooting framework
  • Protocol-level diagnostics (IGP, BGP, switching)
  • Systematic fault isolation techniques

Module 14

Performance Optimization

  • Routing table optimization strategies
  • Convergence tuning and stability improvements
  • Policy efficiency and scaling considerations

Module 15

Capstone Enterprise Design Scenario

  • Full enterprise topology design case study
  • Multi-protocol integration (OSPF, IS-IS, BGP, switching)
  • Real-world enterprise operational simulation

Lab 5

Expert-Level Capstone Exercise

  • Build full enterprise routing and switching environment
  • Introduce cascading failures
  • Diagnose and restore full network functionality
  • Optimize performance and stability

— The Big Picture —

Key Takeaways

  • Key enterprise design principles
  • Junos operational best practices
  • JNCIP-ENT exam readiness assessment
  • Path toward JNCIE-level expertise

— What You'll Walk Away With —

Skills Gained

  • Design and implement scalable enterprise routing and switching architectures
  • Engineer advanced OSPF, IS-IS, and BGP solutions in Junos environments
  • Apply routing policies for complex traffic engineering scenarios
  • Troubleshoot multi-layer enterprise network failures
  • Build resilient, high-availability enterprise network infrastructures
  • Operate at a JNCIP-ENT expert-level proficiency

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.

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