AMD Strix Halo RDMA Cluster Setup Guide This guide details how to configure a two-node AMD Strix Halo cluster linked via Intel E810 (RoCE v2) for distributed vLLM inference using Tensor Parallelism. Table of Contents TL;DR (Quick Start) Concepts & Architecture Hardware Prerequisites Host Configuration (Fedora) 4.1 Install Packages 4.2 Check Native Firmware 4.3 Network Configuration 4.4 BIOS & Kernel Configuration 4.5 Firewall Rules Toolbox Installation & Network Verification 5.1 Prerequisites: Passwordless SSH 5.2 Installation 5.3 Verify RDMA Connection Running the Cluster 6.1 Setup & Verify 6.2 Launching vLLM Troubleshooting References & Acknowledgements 1. TL;DR (Quick Start) On Both Nodes: Preparation : Install/Update Fedora 43 and the E810 NICs (Check firmware: ethtool -i <iface> ). BIOS/Kernel : Set iGPU to 512MB and apply kernel params ( iommu=pt , pci=realloc , etc.). SSH : Configure passwordless SSH between nodes.…