Let’s begin your VXLAN nitty-gritty learning phase. After reviewing VXLAN BGP EVPN spine-and-leaf topologies from a high-level perspective, let’s discuss what you need to bring the VXLAN BGP EVPN fabric to life. Recall how the underlay provides the fabric’s communication foundation. The VXLAN protocol runs on top of the underlay.
As a refresher, the underlay simply allows IP reachability from a leaf-to-spine standpoint. You need to provide a “backbone” ...