The Willhouse

Juniper - Layer 2 Stuff (WIP)

1 min read

📅 Wednesday, 8 October 2025

🕐 5:37 AM

EVPN

  • Control plane from VXLAN

  • Can stretch VLANs across multiple switches and datacenters without flooding looking for mac addresses

  • It uses BGP to advertise

  • MAC addresses

  • IP addresses

  • VLAN

VTEP

  • Interface that does the encapsulating/decapsulating for VXLAN traffic

IRB

  • It is a LAYER 3 logical interface that is bound to a layer 2 vlan

  • Provides a layer 3 gateway inside VXLAN

VNI

  • VXLAN version of VLAN ID

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