https://www.pistack.xyz/tags/overlay/ Recent content in Overlay on Pi Stack Hugo en-us Tue, 12 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-12-self-hosted-vxlan-tunneling-ovs-frr-ovn-guide/ Tue, 12 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-12-self-hosted-vxlan-tunneling-ovs-frr-ovn-guide/ <p>VXLAN (Virtual Extensible LAN) is a network virtualization technology that extends Layer 2 segments over Layer 3 infrastructure. By encapsulating Ethernet frames in UDP packets, VXLAN enables you to build overlay networks across geographically distributed data centers, connect Kubernetes clusters across subnets, and isolate tenant traffic without physical VLAN limitations.</p>