Spanning Tree Sucks, Long Live Spanning Tree!
Have you ever been there before? You accidentally plug in the wrong cable in your home lab or enterprise environment and you realize what you have done when pings stop,…
Category: Networking
How I Use VLANs to Isolate Docker and Proxmox Services (+ Free Worksheet)
One of the core disciplines in networking that you will want to learn is segmentation. We can benefit from segmentation even in the home lab environment. You can treat your…
Wireshark 101: The 2025 Beginner’s Guide
If you are like me, when you manage networks, whether in the home lab or production environment, you probably use tools like ping, traceroute, netstat, etc. These are great tools…
Dell S5224F-ON 25 gig Switch iSCSI Configuration
Recently, I got my hands on a pair of Dell S5224f-on 25 gig switches. These were to be used for a new VMware vSphere installation for a data center refresh,…
OPNsense Port Forwarding Tutorial Step-by-Step
Port forwarding is a feature that allows you to answer outside traffic requests for a certain service even though the server lives on the internal network. OPNsense is a great…
pfSense Virtual Machine as a Network Firewall
The pfSense network firewall solution is a great free and open-source firewall that many run in their home labs or even SMB environments. PfSense has many enterprise features, and the…
Setting DNS in Ubuntu and Troubleshooting
If you are working with Ubuntu servers in your home lab or production environment, you may have seen issues with DNS resolution. One of the reasons that DNS can cause…
Install Pi-Hole in Ubuntu 24.04 LTS
Pi-Hole is arguably one of the most popular ad-blocking solutions for home networks and home labs. Likewise, Ubuntu is one of the most popular Linux distros around. While Ubuntu 24.04…
New Unifi Port and VLAN Manager Walkthrough
The new Unifi Network Application release, starting in v8.0.7, is one of the best upgrades to the Unifi Network Application in some time in terms of features and capabilities that…
Unifi Network Application 8: New Features and Enhancements
The latest release of the Unifi Network Application, version 8 has improved a lot of things for managing Unifi environments in the application for Unifi OS, especially those with many…