Junos Layer 3 VPNs (JL3V) Certification Training Course Overview

The course is structure to provide participants with MPLS-based Layer 3 virtual private network (VPN) knowledge and configuration examples. The course also includes an overview of MPLS Layer 3 VPN concepts, scaling Layer 3 VPNs, Internet access, Interprovider L3VPNs, and Multicast for Layer 3 VPNs. The session will also be covered with Junos operating system-specific implementations of Layer 3 VPNs.

 This course is based on the Junos OS Release 15.1R2.9.


  • Anyone who is responsible for configuring and monitoring devices running the Junos OS

Junos Layer 3 VPNs (JL3V) (24 Hours) Download Course Contents

Live Virtual Classroom 1350
Group Training
01 - 03 Nov GTR 09:00 AM - 05:00 PM CST
(8 Hours/Day)

06 - 08 Dec GTR 09:00 AM - 05:00 PM CST
(8 Hours/Day)

1-on-1 Training (GTR)
4 Hours
8 Hours
Week Days

Start Time : At any time

12 AM
12 PM

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Duration : On Request
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Course Modules

Chapter 1: Course Introduction
  • Details are not available.
Chapter 2: MPLS VPNs
  • Provider-Provisioned VPNs
Chapter 3: Layer 3 VPNs
  • Layer 3 VPN Terminology
  • VPN-IPv4 Address Structure
  • Operational Characteristics
Chapter 4: Basic Layer 3 VPN Configuration
  • Preliminary Steps
  • PE Router Configuration
  • Lab: Layer 3 VPN with Static and BGP Routing
Chapter 5: Layer 3 VPN Scaling and Internet Access
  • Scaling Layer 3 VPNs
  • Public Internet Access Options
  • Lab: LDP over RSVP Tunnels and Public Internet Access
Chapter 6: Layer 3 VPNs – Advanced Topics
  • Exchanging Routes between Routing Instances
  • Hub-and-Spoke Topologies
  • Layer 3 VPN CoS Options
  • Layer 3 VPN and GRE Tunneling Integration
  • Layer 3 VPN and IPsec Integration
  • Layer 3 VPN Egress Protection
  • BGP Prefix-Independent Convergence (PIC) Edge for MPLS VPNs
  • VRF Localization
  • Provider Edge Link Protection
  • Support for Configuring More Than 3 Million L3VPN Labels
  • Lab: GRE Tunneling and Route Redistribution
Chapter 7: Interprovider Backbones for Layer 3 VPNs
  • Hierarchical VPN Models
  • Carrier-of-Carriers Model
  • Option C Configuration
  • Lab: Carrier-of-Carriers VPNs
Chapter 8: Troubleshooting Layer 3 VPNs
  • Working with Multiple Layers
  • Troubleshooting Commands on a PE Device
  • Multi-Access Interfaces in Layer 3 VPNs
  • PE and CE-Based Traceroutes
  • Layer 3 VPN Monitoring Commands
  • Lab: Troubleshooting Layer 3 VPNs
Chapter 9: Draft Rosen Multicast VPNs
  • Multicast Overview
  • Draft Rosen MVPN Overview
  • Draft Rosen MVPN Operation
  • Configuration
  • Monitoring
Chapter 10: Next-Generation Multicast VPNs
  • Multicast VPN Overview
  • Next-Generation MVPN Operation
  • Configuration
  • Monitoring
  • Internet Multicast
  • Ingress Replication
  • Internet Multicast Signaling and Data Plane
  • Configuring MVPN Internet Multicast
  • Monitoring MVPN Internet Multicast
  • Lab: MVPNs
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Course Prerequisites
  • Basic networking knowledge and an understanding of OSPF, ISIS, BGP, and Junos policy
  • Prior experience in configuring MPLS label-switched paths using Junos
  • A familiarity in the following courses: Junos Operating System (IJOS), Junos Routing Essentials (JRE), Junos Intermediate Routing (JIR) and the Junos MPLS Fundamentals (JMF)

Upon completion of this course, you will be able to accomplish:

  • To describe the values of MPLS VPNs
  • To differentiate between provider-provisioned VPNs and customer-provisioned VPNs
  • To differentiate between Layer 2 VPNs and Layer 3 VPNs
  • To list the provider-provisioned MPLS VPN features supported by the JUNOS software
  • Describing the roles of a CE device, PE router, and P router in a BGP Layer 3 VPN
  • Describing the format of the BGP routing information, VPN-IPv4 addresses and route distinguishers
  • Describing the propagation of VPN routing information within an AS
  • Listing of BGP design constraints to enable Layer 3 VPNs within a provider network
  • Explaining the operation of the Layer 3 VPN data plane within a provider network
  • Creation of a routing instance, assign interfaces to a routing instance, create routes in a routing instance
  • Describing the uses of BGP extended communities, configure extended BGP extended communities
  • Listing the steps necessary for proper operation of a PE-CE dynamic routing protocol
  • Troubleshooting and monitoring techniques for routing instances
  • Differentiate between the bgp.l3vpn table and the inet.0 table of a routing instance
  • Monitoring the operation of a CE-PE dynamic routing protocol