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IPv6 Underlay for an IPv4 EVPN-VXLAN Fabric
Overview
When configuring an IPv6 underlay, an additional challenge might be present for a network with an existing IPv4 EVPN-VXLAN overlay. In such a network, the virtual tunnel endpoint (VTEP) address is IPv4. The VXLAN overlay extends virtual tunnels (VTs) between VTEPs over the underlying IP fabric. To add an IPv6 underlay, the network needs to distribute this IPv4 address to the IPv6-only underlay. Certain platforms and releases support configuring your AI-ML data center to accomplish this when the IPV6 underlay is external BGP (EBGP).
Topology
This configuration is suited for a network with the following topology:

Configuration
Follow these steps to send IPV4 network layer reachability information (NLRI) over the IPv6 address family in your EBGP underlay.
Platform Support
See Feature Explorer for platform and release support.