#networking
Every post tagged networking.
Building Multi-Node VXLAN Overlays with Proxmox VE SDN
How to design and deploy VXLAN zones in Proxmox VE SDN to build layer 2 overlay networks that span racks and sites without depending on physical switch VLAN provisioning.
SR-IOV for Intel NICs on Proxmox VE: Passing Real NIC Performance Through to VMs
virtio-net hits a wall under sustained load because every packet gets copied through a host vhost thread. Here's how to pass Intel NIC virtual functions directly into Proxmox VE guests with SR-IOV for near bare-metal throughput and latency.
Configuring SR-IOV Networking for Proxmox VE 8.x Virtual Machines
A practical walkthrough for enabling SR-IOV on Intel and Mellanox NICs in Proxmox VE 8.x, from IOMMU groups and virtual function creation to hostpci mapping, VF persistence, and the pitfalls that trip up production deployments.
How to Set Up a VLAN-Aware Bridge in Proxmox VE
A beginner-friendly guide to VLANs in Proxmox VE — what a VLAN-aware bridge does, how to enable it, how to tag individual VMs, and the trunk port setting that trips up almost everyone the first time.
Configuring Redundant Corosync Links for Proxmox VE Cluster Resilience
A single corosync link is a hidden single point of failure in every Proxmox VE cluster. Here's how to diagnose link instability and configure a second, truly independent corosync link using knet.
How to Mount an NFS Share in Proxmox VE (Add NFS Storage Step by Step)
A beginner's guide to adding NFS network storage in Proxmox VE, covering the GUI and pvesm command-line methods, what each field means, and how to fix common mount errors.
Configuring SR-IOV for High-Performance VM Networking on Proxmox VE 8
Virtio-net hits a wall under sustained high-throughput or latency-sensitive workloads. Here's how to enable SR-IOV on Proxmox VE 8 so VMs talk to Intel NIC virtual functions directly, bypassing the host data path entirely.
Proxmox VE VXLAN Overlays: Building Multi-Node SDN Networks That Actually Work
A practical walkthrough of building multi-node VXLAN overlays with Proxmox VE SDN, covering MTU pitfalls, peer list mistakes, firewall gotchas, and the exact commands to diagnose a tunnel that looks applied but drops traffic.
Enabling SR-IOV for Network Interface Cards in Proxmox VE 9: A Complete Configuration Guide
A practical, end-to-end guide to enabling SR-IOV on Proxmox VE 9: BIOS and IOMMU prerequisites, creating and persisting Virtual Functions, and assigning them to VMs for near-native network performance.