NVE

NVE (Network Virtualization Endpoint) interfaces provide VXLAN overlay network capabilities that enable Layer 2 and Layer 3 network virtualization across IP infrastructure, supporting multi-tenancy and network segmentation in modern data center architectures. They facilitate the creation of virtual networks by encapsulating Ethernet frames in UDP packets with VXLAN headers, enabling seamless connectivity between geographically distributed sites while maintaining Layer 2 adjacency and supporting features like host mobility and flood optimization. NVE interfaces are essential components of EVPN-VXLAN deployments, providing the foundation for scalable multi-tenant networks, micro-segmentation, and cloud connectivity solutions that require flexible, software-defined networking capabilities.

iosxe:
  devices:
    - name: Device1
      configuration:
        interfaces:
          nves:
            - id: 1
              description: NVE Interface
              shutdown: false
              host_reachability_protocol_bgp: true
              source_interface_loopback: 100
              vni_vrfs:
                - vni_from: 10000
                  vni_to: 10100
                  vrf: VRF1
              vnis:
                - vni_from: 10000
                  vni_to: 10100
                  ipv4_multicast_group: 225.1.1.1
                  ingress_replication: false