linux networking Archives - Page 2 of 2

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Configuring STP/RSTP/MSTP on Linux with Open vSwitch: Prevent Layer 2 Loops

June 17, 2026

Learn how to configure STP, RSTP, and MSTP on Linux using Open vSwitch to prevent broadcast storms and Layer 2 loops in virtual switch environments. Covers quick setup, port tuning, MSTP basics, and hands-on tips from real production deployments.

Networking

Configuring MPLS and LDP on Linux with FRRouting: Build a Label-Switched Network in Your HomeLab

June 13, 2026

A hands-on guide to configuring MPLS forwarding and LDP on Linux using FRRouting. Covers kernel setup, a full 3-router LSP lab, label verification commands, and practical debugging tips for HomeLab environments.

Linux

Mastering ss and ip Commands for Advanced Linux Network Troubleshooting

May 30, 2026

Ditch the deprecated netstat and ifconfig. This guide covers how to use ss and ip for high-performance Linux network troubleshooting and socket analysis.

Networking

Deploying a Wireless Mesh Network with B.A.T.M.A.N. Advanced (batman-adv) on Linux: Self-Healing Infrastructure for HomeLab and IoT

May 21, 2026

Six months of running batman-adv in production across a HomeLab and IoT deployment. This guide compares mesh networking approaches, breaks down batman-adv's real-world strengths and weaknesses, and walks through a complete implementation on Ubuntu/Debian with batctl monitoring and systemd automation.

Networking

Simulating Poor Network Conditions with tc netem on Linux: Test Latency, Packet Loss, and Jitter Before Production

April 25, 2026

After a production incident caused by untested network conditions, I started using tc netem to simulate latency, packet loss, and jitter before every deployment. This guide covers practical netem scenarios for realistic resilience testing on Linux.

Networking

Keepalived & VRRP: Build a Floating IP for High Availability on Linux

April 9, 2026

Keepalived implements VRRP on Linux to give your servers a shared floating IP address. When the primary node fails, the standby automatically claims the VIP in seconds. This step-by-step guide covers installation, configuration, health check scripts, and failover testing on Ubuntu/Debian.

Networking

Setting Up a Squid Proxy Server on Linux: Access Control, Content Filtering, and Bandwidth Caching

April 8, 2026

Squid proxy server gives you fine-grained control over your network's outbound traffic — access control by IP or user, content filtering via domain blocklists, and HTTP caching to reduce bandwidth costs. This guide walks through a complete production-ready setup on Linux.

Networking

VLAN Configuration Basics: What I Learned Getting Paged at 2 AM

March 16, 2026

A hands-on VLAN configuration guide built from real production incidents — covering access ports, trunk ports, inter-VLAN routing, and a 5-minute pre-change checklist that prevents 2 AM outages.