This on-demand course is designed to provide students with the knowledge to configure and troubleshoot MPLS-based Layer 2 virtual private networks (VPN). The course includes an overview of MPLS Layer 2 VPN concepts, such as BGP Layer 2 VPNs, LDP Layer 2 circuits, forwarding equivalence class (FEC) 129, virtual private LAN service (VPLS), Ethernet VPN (EVPN), and Inter-AS MPLS VPNs. This course also covers Junos OS-specific implementations of Layer 2 VPN instances, VPLS, and EVPNs. This course is based on the Junos OS Release 21.2R1.10 This course includes audio and closed captioning in English as well as AI-generated closed captioning for German, French, Portuguese, Spanish, and Japanese. Watch a Sneak Peek

Purchase Includes: 365 Days of Access
Certification Track: Service Provider Routing & Switching
Difficulty Level: Advanced
Additional Details
Course Modules
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How to Use this On Demand Course

To launch the course, click the module titles below. Please be patient as the content downloads to your system. As you complete each module, close the module window and launch the next module from this page. You will need to launch all required modules for the course to be considered complete.

If the module has a lab component, you will have access to our virtual lab environment. In order to use the lab portion of the training you will need to enable your lab access. Click the "Enable Lab Access" button to enable your lab access and follow the instructions in the individual training modules to access the labs when instructed. If this is your first time using the On Demand lab environment, please Watch a Quick Lab Tutorial.

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If you have any technical problems with the course modules or the lab environment please open a ticket.

5m
1
Introduction to Junos Layer 2 VPNs
This module provides an introduction to the Junos Layer 2 VPNs course.
2m
2
Refresher VPNs and MPLS
This module explains the basic functions and purpose of a VPN, including how MPLS uses labels to forward traffic, and the differences between MPLS L3VPNs and MPLS L2 VPNs. Explains the basics of a traditional multitier architecture, its benefits, and challenges. It also describes the basic setup of a traditional data center-based scenario.
46m
3
The Different Flavors of Layer 2 VPN
This module explains the basic functions and purpose of a VPN, including how MPLS uses labels to forward traffic, and the differences between MPLS L3VPNs and MPLS L2 VPNs.
56m
4
L2VPN or BGP-Signaled Pseudowires
This module defines the concept of an attachment circuit and of pseudowire encapsulation. The module also explains the importance of route targets, route distinguishers, Site IDs, the control plane and the data plane of an L2VPN, as well as the contents of an L2VPN BGP packet capture.
1h 17m
5
L2VPN Configuration
This module covers the concept of an attachment circuit and of pseudowire encapsulation. This module also explains the importance of route targets, route distinguishers, Site IDs, the control plane, the data plane of an L2VPN, and the contents of an L2VPN BGP packet capture.
48m
6
L2VPN Troubleshooting
This module explains how to diagnose and fix L2VPN problems caused by missing LSPs, mismatched site information, and incorrect configuration.
16m
7
L2VPN Site IDs, the Label Base, and Overprovisioning
This module explains the purpose of the Site ID and the VPN label base and how to configure an overprovisioned L2VPN with explicit remote Site IDs and an overprovisioned L2VPN with implicit remote Site IDs.

Lab:BGP-Signaled Layer 2 VPNs.
1h 54m
8
L2VPN Advanced Concepts
This module covers how to configure and verify L2VPN multihoming, VLAN normalization in an L2VPN, out-of-band route reflection, and route target constraint.

Lab: L2VPNs - Advanced Concepts.
1h 45m
9
L2 Circuit LDP Signaled Pseudowires
This module explains the concept of targeted LDP sessions and the elements that L2Circuits have in common with L2VPNs. The module also describes how to configure an L2Circuit.
48m
10
L2 Circuit Troubleshooting
This module covers how to configure the Pseudowire Status TLV and explains the meaning of the most frequent L2Circuit error codes.
47m
11
JL2V Activity 01
This activity reviews concepts from Modules 1 to 10.
15m
12
L2 Ciruit Advanced Concepts
This module describes the purpose and benefits of virtual circuit connectivity verification and explains how to configure multihoming, local switching, and interworking.

Lab:LDP-Signaled L2Circuits.
1h 19m
13
FEC 129 Pseudowires
This module explains how FEC 129 auto-discovers remote PEs and signals pseudowires and describes how configure and verify an FEC 129 pseudowire.

Lab:FEC 129 Pseudowires (Optional).
1h 24m
14
Virtual Private LAN Service-Introduction
This module describes how a VPLS is built and compares it to a regular pseudowire, including how VPLS forwards traffic between multiple sites. The module also describe the BGP and LDP methods of signaling a VPLS.
58m
15
VPLS BGP Configuration and Verification
This module covers how to configure and verify a BGP-Signaled VPLS.
53m
16
VPLS LDP and FEC 129 Configuration and Verification
This module covers how to configure and verify an LDP-signaled VPLS and a FEC 129 VPLS.
24m
17
VPLS The Default VLAN Mode
This module defines the four VLAN modes for VPLS and the concept of a bridge domain, and explains how to verify the default VPLS VLAN mode.
38m
18
VPLS VLAN Normalization, VLAN-Aware Instances, and Dual-Stacked VLANs
This module covers how to configure and verify VLAN-Aware mode, VLAN-Normalizing mode and No-VLAN mode, and dual-stacked VLAN tags in VPLS.
48m
19
VPLS Advanced Features and Troubleshooting
This module explains how to deploy automated BGP VPLS Site IDs and configure flood protection, MAC flap protection, MAC limiting, and efficient traffic flooding using multicast LSPs.
1h 7m
20
VPLS Multihoming
This module discusses how to configure multihomed sites in a BGP-signaled VPLS, MULTIHOMED SITES, single sites on the same PE in a BGP-signaled VPLS, best-site multihoming in a BGP-signaled VPLS, and multihomed sites in an LDP-signaled VPLS.

Lab: VPLS.
2h 14m
21
JL2V Activity 02
This activity reviews concepts from Modules 11 to 19.
15m
22
EVPN Introduction
This module explains the main disadvantages of a VPLS solution and how EVPN overcomes these disadvantages.
32m
23
EVPN Using BGP to Advertise MACs and to Flood Traffic
This module explains the meaning of an EVPN instance and describes how EVPN Type 2 routes advertise MAC addresses and MAC/IP bindings. The module also describes how EVPN Type 3 routes request to receive flooded traffic within a bridge domain.
52m
24
EVPN Configuring a Single-Homed VLAN-Based EVI
This module covers how to configure a service provider network to host EVPN services and a single-homed VLAN-based EVI.
52m
25
EVPN Configuring a Single-Homed VLAN-Aware Bundle EVI
This module explains how to configure and verify a VLAN-aware bundle EVI.
52m
26
EVPN Multihoming Configuration and Type 4 Routes
This module describes how to configure a CE and two PEs to take part in a multihomed EVPN. The module also describes the contents of the Type 4 Ethernet Segment route and explains how the Type 4 route prevents layer 2 loops, using the designated forwarder election.
1h 16m
27
EVPN Multihoming Features Using Type 1 Routes
This module describes Type 1 Ethernet Autodiscovery Per-Ethernet Segment routes and explains how Type 1 Per-Ethernet Segment routes prevent layer 2 loops.
54m
28
EVPN MAC Mobility and IRB Interfaces
This module explains how to configure and verify the EVPN MAC Mobility feature, Automatic Gateway MAC-IP Synchronization, Manual Gateway MAC-IP Synchronization, and EVPN Virtual Gateway Addresses.

Lab: EVPN.
1h 54m
29
EVPN Integration with L3VPNs
This module describes the basic functionality of an L3VPN and how EVPNs and L3VPNs integrate for optimal routing, and how chained composite next hop brings efficiency to EVPN in the Packet Forwarding Engine.
57m
30
Inter-AS MPLS VPNs
This module describes the functionality of Interprovider Options A, B, and C and then explains how to configure and verify the Interprovider Option C method. The module also describes how to configure carrier-of-carriers VPNs.
1h 34m
31
Circuit Cross-Connect
This module discusses how to use circuit cross-connect to stitch pseudowires together and to signal pseudowires that have their own pair of dedicated RSVP LSPs.
1h 34m
32
Multisegment Pseudowires
This module explains how a multisegment pseudowire is signaled, and how to configure and verify a multisegment pseudowire

Lab: Inter-AS L2VPNs.
1h 49m
33
VPLS Hub and Spoke Topologies
This module describes how to configure a hub-and-spoke BGP VPLS using route targets, a hub-and-spoke BGP VPLS using site ranges, and a hub-and-spoke LDP VPLS using hierarchical VPLS.
41m
34
JL2V Activity 03
This activity reviews concepts from Modules 20 to 31.
15m
This course is valid towards:
  • Renewal of Junos, Associate (JNCIA-Junos)
  • Renewal of Service Provider Routing and Switching, Specialist (JNCIS-SP)
  • Taking Exam or Renewing Service Provider Routing and Switching, Professional (JNCIP-SP)
  • Renewal of Service Provider Routing and Switching, Expert (JNCIE-SP)
    • Learn more about certification renewal through course attendance.
    $3,000 USD