What are some of the various terminology used in VXLAN?
VNI/VNID: Virtual Network Identifier or VXLAN Network Identifier
Layer2 VNI carried in VXLAN bridged packets. VNI is configured per VLAN.
Layer3 VNI carried in VXLAN routed packets across VTEPs. One L3 VNI per tenant (VRF) Note: Tenant, VRF, L3VNI are sometimes used interchangeably
VTEP: VXLAN Tunnel End Point
Performs VXLAN encapsulation/decapsulation
NVE: Network Virtualization Edge
Logical representation of the VTEP
Device that forwards traffic between VXLANs
It could be both Layer 2 and Layer 3 forwarding.
All VTEPs are configured with the same IP and MAC on a host facing SVI
Underlay Network: Provides the transport for VXLAN
VXLAN an us OSPF,ISIS,EIGRP, BGP, or Multicast routing