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FRCJUN-6Juniper Networks

Junos Security (JSEC)

This 5-day advanced instructor-led course provides in-depth training on enterprise and service provider security implementation using Junos OS running on security platforms from Juniper Networks.

Duration · 5 daysVirtual + In-PersonInstructor-Led

$3,850

Course Description

This 5-day advanced instructor-led course provides in-depth training on enterprise and service provider security implementation using Junos OS running on security platforms from Juniper Networks.

The course focuses on advanced security policy design, NAT scaling, VPN technologies, firewall automation concepts, threat mitigation, and real-world troubleshooting across complex secure network environments. Students gain hands-on experience building and managing secure architectures in Junos-based infrastructures.

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Audience Profile

This course is intended for:

  • Network security engineers
  • Security operations and infrastructure engineers
  • Government, DoD, and enterprise cybersecurity teams
  • Engineers preparing for JNCIS-SEC or JNCIP-SEC level skills
  • Engineers responsible for firewall and VPN infrastructure

Prerequisites

Before enrolling, you should have:

  • Completion of Introduction to Junos Security (IJSEC) or equivalent experience
  • Strong understanding of IP networking and routing fundamentals
  • Familiarity with firewall concepts and basic NAT
  • Basic experience with Junos CLI and configuration

— What You'll Learn —

Learning Objectives

In this course, you will learn to:

  • 1Describe traditional routing and security
  • 2Provide an overview of SRX Series Services Gateway devices and the Junos OS software architecture
  • 3Describe the logical packet flow and session creation performed by SRX Series Services Gateway devices
  • 4Describe, configure, and monitor zones
  • 5Describe, configure, and monitor security policies
  • 6Troubleshoot security zones and policies
  • 7Describe, configure, and monitor NAT, as implemented on Junos security platforms
  • 8Explain the purpose and mechanics of IP Security (IPsec) virtual private networks (VPNs)
  • 9Implement and monitor route-based IPsec VPNs
  • 10Implement and monitor Hub-and-Spoke VPNs, Group VPNs, and ADVPNs
  • 11Troubleshoot IPsec VPNs
  • 12Describe, configure, and monitor chassis clusters
  • 13Troubleshoot chassis clusters

— Day-by-Day —

Course Outline

Day 1 – Advanced Security Architecture & Policy Framework

Module 1

Enterprise Security Architecture

  • Security design models (perimeter, distributed, zero trust concepts)
  • Security zones at scale
  • Trust boundaries in enterprise networks

Module 2

Junos Security Processing Flow

  • Packet flow through Junos security engine
  • Stateful inspection architecture
  • Session table behavior and flow tracking

Module 3

Advanced Security Policies

  • Policy hierarchy and evaluation order
  • Address books and application identification
  • Policy optimization strategies

Lab 1

Advanced Zone-Based Security

  • Build multi-zone architecture
  • Configure inter-zone policies
  • Validate session establishment and enforcement

Day 2 – Advanced NAT & Traffic Control

Module 4

NAT at Scale

  • Source NAT design patterns
  • Destination NAT in enterprise environments
  • Port forwarding and static NAT use cases

Module 5

Policy-Based NAT Integration

  • NAT and security policy interaction
  • Overlapping address space handling
  • NAT troubleshooting techniques

Module 6

Traffic Control and Filtering

  • Stateless vs stateful filtering comparison
  • Advanced firewall filter logic
  • Coexistence of filters and security policies

Lab 2

Advanced NAT Deployment

  • Configure multi-type NAT scenarios
  • Resolve overlapping network conflicts
  • Validate translation and session behavior

Day 3 – VPN Technologies & Secure Connectivity

Module 7

IPsec VPN Fundamentals

  • VPN architecture overview
  • IKE Phase 1 and Phase 2 concepts
  • Encryption and authentication methods

Module 8

Site-to-Site VPN Implementation

  • VPN tunnel configuration in Junos
  • Routing over IPsec tunnels
  • Redundancy and failover considerations

Module 9

Remote Access VPN Concepts

  • Client-based VPN architecture (conceptual)
  • Authentication integration overview
  • Policy enforcement for remote users

Lab 3

IPsec VPN Deployment

  • Configure site-to-site VPN
  • Establish secure encrypted tunnels
  • Validate encrypted traffic flow

Day 4 – Advanced Security Services & Threat Mitigation

Module 10

Intrusion Prevention Concepts

  • Threat detection mechanisms
  • Signature-based vs behavior-based security
  • Inline vs passive inspection concepts

Module 11

Security Services Integration

  • Application control concepts
  • Logging and alerting systems
  • Security event correlation basics

Module 12

High Availability for Security

  • Stateful firewall redundancy
  • Session synchronization concepts
  • Failover and resiliency design

Lab 4

Security Services Deployment

  • Configure basic IPS concepts
  • Enable logging and monitoring
  • Simulate failover scenarios

Day 5 – Troubleshooting, Optimization & Capstone Design

Module 13

Security Troubleshooting Methodology

  • Systematic firewall troubleshooting workflow
  • Policy evaluation debugging
  • NAT and VPN troubleshooting techniques

Module 14

Performance and Optimization

  • Security policy optimization
  • Session table tuning considerations
  • Scaling security infrastructure

Module 15

Enterprise Security Design Case Study

  • Multi-zone enterprise security architecture
  • Integrated VPN, NAT, and policy design
  • Real-world operational scenarios

Lab 5

Capstone Security Implementation

  • Build full enterprise security architecture
  • Introduce policy and VPN failures
  • Diagnose and restore secure operations
  • Optimize performance and policy structure

— The Big Picture —

Key Takeaways

  • Advanced Junos security design principles
  • Operational best practices for enterprise firewalls
  • Preparation for JNCIS-SEC / JNCIP-SEC certification paths
  • Real-world deployment considerations

— What You'll Walk Away With —

Skills Gained

  • Design and implement advanced Junos security architectures
  • Configure and troubleshoot NAT, VPN, and security policies
  • Deploy secure site-to-site IPsec VPN solutions
  • Monitor and optimize security performance in Junos environments
  • Diagnose complex firewall and connectivity issues
  • Operate at an advanced (JNCIS-SEC level) security engineering capability

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 —

Need a different angle?

Browse the full Juniper Networks catalog or chat with an advisor about a custom training plan for your team.