A Beginner’s Guide to Modern Ethernet Fabrics for HPC and AI Environments vendor-neutral fundamental, packet walks, AI/HPC design context , and troubleshooting VXLLAN – The Data Plane Overlay Why VXLAN Exists A classic VLAN tag contains a 12-bit VLAN identifier. Because values 0 and 4095 are reserved, there are 4094 usable VLAN IDs in the…