5 posts tagged with "overlay"
Inter-subnet routing in EVPN-VXLAN fabrics comes in two flavors that behave very differently at scale. How asymmetric and symmetric IRB forward, why VNI sprawl matters, and which one to standardize on.
Standards-based all-active multihoming in EVPN-VXLAN fabrics. How ESI, Type-1 and Type-4 routes, aliasing, and split-horizon work on Junos QFX, and what to check when a link fails.
Build a VXLAN BGP EVPN fabric on Nexus from scratch. Covers the OSPF underlay, BGP EVPN overlay, NVE configuration, distributed anycast gateway, and the verification commands that prove it actually forwards.
Configure VXLAN on VyOS for datacenter overlays. Covers VXLAN concepts, static and multicast modes, head-end replication, MTU, and why VXLAN enables scalable Layer 2 networks.
Understand EVPN architecture and concepts. Covers EVPN route types, MAC/IP learning via BGP, multi-homing, VXLAN integration, and why EVPN is the future of overlay networking.