#networking
Every post tagged networking.
Blog posts
How to Access Proxmox VE Remotely and Securely (Without Exposing Port 8006)
Learn the safe way to reach your Proxmox VE web interface from outside your home network: SSH tunneling for quick access, a full Tailscale VPN setup, and locking down pveproxy so port 8006 never touches the open internet.
Bridge vs NAT in Proxmox VE: Which Networking Mode Should You Use?
Coming from VirtualBox or VMware Workstation, you probably expect a NAT dropdown for your VMs. Proxmox VE doesn't work that way by default — here's what bridged networking actually does, when you'd want NAT instead, and how to set up both.
How to Configure Network Bonding (LACP) in Proxmox VE for NIC Redundancy
A practical guide to Linux bonding in Proxmox VE: the seven bond modes explained, when you actually need switch-side LACP, and how to build, attach, and failover-test a bonded interface step by step.
How to Change the Hostname in Proxmox VE (The Right Way)
Proxmox does not officially support renaming a node after install. Here is the real, tested process for changing a hostname safely on standalone and clustered Proxmox VE nodes.
How to Set Up Let's Encrypt (ACME) SSL Certificates for the Proxmox VE Web Interface
Proxmox VE's web UI ships with a self-signed certificate by default. Here's how to replace it with a trusted, auto-renewing Let's Encrypt certificate using the built-in ACME client, via HTTP-01 or DNS-01 challenges.
How to Configure the Proxmox VE Firewall (Datacenter, Host, and VM Rules)
A practical walkthrough of Proxmox VE's built-in firewall — datacenter, host, and VM-level rules, security groups, IPSets, and logging — with a rollout checklist that avoids locking yourself out.
How to Configure a Static IP Address in Proxmox VE (Host and Guest VMs)
Learn how to set a static IP address on the Proxmox VE host and inside guest virtual machines, covering the web UI, /etc/network/interfaces, Netplan, and Cloud-Init, with fixes for common lockout mistakes.
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.
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