This is a step-by-step guide to setting up a 2-node WiFi mesh with 2 NETGEAR NIGHTHAWK X4S D7800 AC2600 routers using OpenWrt, with an Ethernet backbone. It’s important to note that while the D7800 is a fantastic router, creating a…
Implementing a 2 or 3-node mesh Wi-Fi network with OpenWrt offers great flexibility and control. The “best” hardware depends on your specific needs, budget, and technical comfort level. Here’s a breakdown of factors to consider and some popular recommendations: Key…
The Silent Killer of Network Connectivity: MTU Mismatches and PMTUD Black Holes Ever found yourself in a networking nightmare where pings work perfectly, but then SSH sessions hang mysteriously, or large file transfers just die? You’ve checked your firewalls, verified…
Reverse Path Filtering (RPF): Linux and many other OSes/routers implements a security feature called Reverse Path Filtering (RPF), often controlled by rp_filter sysctl parameter (e.g., /proc/sys/net/ipv4/conf/all/rp_filter). Purpose: RPF prevents IP spoofing and helps mitigate certain types of attacks. It works…
If you’ve configured a Debian 12 system in virt-manager and want to install it on real hardware, this guide shows how to transfer the VM image to a USB stick and boot it on a physical machine. 🔧 Step 1:…
This is a structured visual and text-based overview of my IPv4 + IPv6 dual-stack web architecture with HAProxy and self-contained certs. 🌐 Final Architecture Diagram (Text-based) 📄 Structured Description 🧩 Components Role Name Addressing Reverse Proxy haproxy IPv4: 192.168.20.17, IPv6:…
1. Dedicated Proxmox cluster network (“corosync link”) ✅ Benefits: This is highly recommended once a cluster gets beyond hobby size. 2. Storage replication traffic isolation ✅ Benefits: 3. LACP Bonding for node resilience ✅ Benefit: Proxmox will survive NIC failure…