Sysadmin blog Next year will see the 20th anniversary of IEEE 802.1Q, the standard that defines the tagged VLAN for Ethernet networks. Despite it being two decades since modern VLANs started being ...

Virtual Local Area Networks, or VLANs, serve as a critical computing technology designed for effective network traffic management. These are subsets within a Local Area Network (LAN) that partition ...

To begin, we must have a more formal definition of what a LAN is. LAN stands for local area network. Hubs and switches usually are thought of as participating in a single LAN. Normally, if you connect ...

Use UniFi insights to find denied connections and troubleshoot rules, then tune VLANs so cameras and IoT cannot touch sensitive devices.

As the title shows, this post is about private VLANs (PVLAN). This topic shows on VCAP exams, but also on VCP based exams. So if you're studying for VCAP or VCP, this article might be your interest.

An illustration of a magnifying glass. An illustration of a magnifying glass.

Ansible Dhcp server for vlans Example: subnet 192.168.0.0/24 Disable DHCP server vlan untaged subnet 192.168.1.0/24 Enabled DHCP server tagged 100 subnet 192.168.2.0/24 Enabled DHCP server tagged 200 ...

This repo is to hold my configuration files for a complex home network based on Mikrotik networking gear. Thank you to all the mikrotik forum posters for all this knowledge and hard work, especially ...