Junos Layer 3 VPNs (JL3V)

Juniper Training
  • Duration: 3 days
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This three-day course is designed to provide students with MPLS-based Layer 3 virtual private network (VPN) knowledge and configuration examples. The course includes an overview of MPLS Layer 3 VPN concepts, scaling Layer 3 VPNs, Internet access, Interprovider Layer 3 VPNs, and Multicast for Layer 3 VPNs. This course also covers Junos operating system-specific implementations of Layer 3 VPNs. The concepts are put into practice with a series of in-depth hands-on labs, which will allow participants to gain experience in configuring and monitoring Layer 3 VPNs on Junos OS devices. These hands-on labs utilize Juniper Networks vMX Series devices using the Junos OS Release 16.1R3.10, but are also applicable to other MX Series devices.

  • Objectives 0/0

    After successfully completing this course, you should be able to:
    • Describe the value of MPLS VPNs.
    • Describe the differences between provider-provisioned VPNs and customer-provisioned VPNs. .
    • Describe the differences between Layer 2 VPNs and Layer 3 VPNs. .
    • List the provider-provisioned MPLS VPN features supported by the Junos OS software. .
    • Describe the roles of a CE device, PE router, and P router in a BGP Layer 3 VPN. .
    • Describe the format of the BGP routing information, including VPN-IPv4 addresses and route distinguishers. .
    • Describe the propagation of VPN routing information within an AS. .
    • List the BGP design constraints to enable Layer 3 VPNs within a provider network. .
    • Explain the operation of the Layer 3 VPN data plane within a provider network. .
    • Create a routing instance, assign interfaces to a routing instance, create routes in a routing instance, and import/export routes from a routing instance using route distinguishers/route targets. .
    • Describe the purpose of BGP extended communities, configure extended BGP extended communities, and use BGP extended communities. .
    • List the steps necessary for proper operation of a PE-CE dynamic routing protocol. .
    • List the troubleshooting and monitoring techniques for routing instances. .
    • Explain the difference between the bgp.l3vpn table and the inet.0 table of a routing instance. .
    • Monitor the operation of a CE-PE dynamic routing protocol. .
    • Explain the operation of a PE multi-access interface in a Layer 3 VPN and list commands to modify that behavior. .
    • Describe ways to support communication between sites attached to a common PE router. .
    • Provision and troubleshoot hub-and-spoke Layer 3 VPNs, .
    • Describe the flow of control traffic and data traffic in a hub-and-spoke Layer 3 VPN. .
    • Describe QoS mechanisms available in L3VPNs. .
    • Configure L3VPN over GRE tunnels. .
    • Describe the RFC 4364 VPN options. .
    • Describe the carrier-of-carriers model. .
    • Configure the carrier-of-carriers and "Option C" configuration. .
    • Describe the flow of control and data traffic in a draft-rosen multicast VPN. .
    • Describe the configuration steps for establishing a draft-rosen multicast VPN. .
    • Monitor and verify the operation of draft-rosen multicast VPNs. .
    • Describe the flow of control traffic and data traffic in a next-generation multicast VPN. .
    • Describe the configuration steps for establishing a next-generation multicast VPN. .
    • Monitor and verify the operation of next-generation multicast VPNs. .
    • Describe the flow of control traffic and data traffic when using MPVNs for Internet multicast. .
    • Describe the configuration steps for enabling internet multicast using MVPNs. .
    • Monitor and verify the operation of MVPN internet multicast. .

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  • Course Content 0/0

    Day 1
    Chapter 1: Course Introduction
    Chapter 2: MPLS VPNs
    • 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
    Day 2
    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
    Day 3
    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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