Junos Layer 2 VPNs (JL2V)

Training Summary
This three-day 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 21.4R1.12.
Students should have intermediate-level networking knowledge and should be familiar with the Junos OS command-line interface (CLI). Students should also attend the Introduction to the Junos Operating System (IJOS), Junos Routing Essentials (JRE), and Junos Intermediate Routing (JIR) courses prior to attending this class.
3 Days/Lecture & Lab
This course benefits individuals responsible for configuring and monitoring devices running the Junos OS. Course Level
  • Junos Layer 2 VPNs (JL2V) is an advanced-level course.
Course Topics
  • Course Introduction
  • Refresher—VPNs and MPLS
  • VPNs and MPLS layer 2 VPNs
  • The Different Flavors of Layer 2 VPN
  • L2VPN, aka BGP‐Signaled Pseudowires
  • L2VPN—Configuration
  • L2VPN—Troubleshooting
  • L2VPN—Site IDs, the Label Base, and Overprovisioning
  • L2VPN—Advanced Concepts
  • L2Circuit—LDP‐Signaled Pseudowires
  • L2Circuit—Troubleshooting
  • L2Circuit—Advanced Concepts
  • FEC 129 Pseudowires
  • Virtual Private LAN Service—Introduction
  • VPLS—LDP and FEC 129
  • VPLS—LDP and FEC 129 Configuration and Verification
  • VPLS—The Default VLAN Mode
  • VPLS—VLAN Normalization, VLAN‐Aware Instances, and Dual‐Stacked VLANs
  • VPLS—Advanced Features and Troubleshooting
  • VPLS—Multihoming
  • EVPN—Introduction
  • EVPN—Using BGP to Advertise MACs and to Flood Traffic
  • EVPN—Configuring a Single‐Homed VLAN‐ Based EVI
  • EVPN—Configuring a Single‐Homed VLAN‐ Aware Bundle EVI
  • EVPN—Multihoming Configuration and Type 4 Routes
  • EVPN—Multihoming Features Using Type 1 Routes

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