Category: Networking

  • Understanding Uninterruptible Power Supplies (UPS): A Comprehensive Guide

    Uninterruptible Power Supplies (UPS) are essential devices in modern computing, telecommunications, and industrial systems, providing emergency power when the main power source fails. This guide will explore the various types of UPS systems, their applications, components, and best practices for selection and maintenance, with detailed tables for easy reference. What is an Uninterruptible Power Supply…

  • The Significance of RAM and CPU in UniFi Network Devices: A Deep Dive

    The Significance of RAM and CPU in UniFi Network Devices: A Deep Dive

    Introduction In today’s fast-paced digital world, network performance is more critical than ever. UniFi network devices, known for their scalability and robustness, are at the heart of many modern networking infrastructures. Two key components that significantly impact the performance of these devices are the RAM (Random Access Memory) and the CPU (Central Processing Unit). Understanding…

  • Power over Ethernet (PoE) Pinouts Guide with Cable Colors

    Power over Ethernet (PoE) is a technology that enables Ethernet cables to carry electrical power along with data, simplifying the installation of devices such as IP cameras, VoIP phones, and wireless access points. Understanding the pinouts and associated cable colors for PoE is essential for correctly wiring and troubleshooting network devices. This guide covers the…

  • Understanding DHCP Relay in UniFi: A Comprehensive Guide

    Understanding DHCP Relay in UniFi: A Comprehensive Guide

    Introduction In large networks, especially those spread across multiple subnets, efficient IP address management becomes crucial. DHCP (Dynamic Host Configuration Protocol) plays a vital role in this, automating the assignment of IP addresses and other network configuration details. However, DHCP typically operates within a single subnet, which can be limiting in complex network environments. This…

  • Power over Ethernet (PoE) Pinouts Guide

    Power over Ethernet (PoE) is a technology that enables Ethernet cables to carry electrical power along with data, simplifying the installation of devices such as IP cameras, VoIP phones, and wireless access points. Understanding the pinouts for PoE is essential for correctly wiring and troubleshooting network devices. This guide will cover the various PoE pinouts…

  • Understanding Power over Ethernet (PoE)

    Understanding Power over Ethernet (PoE)

    Power over Ethernet (PoE) is a technology that allows network cables to carry electrical power in addition to data. This technology simplifies the installation of network devices such as IP cameras, wireless access points, and VoIP phones by eliminating the need for separate power supplies. PoE has become a standard in networking due to its…

  • CIDR Cheat Sheet

    Classless Inter-Domain Routing (CIDR) notation is a method for specifying IP addresses and their associated network masks. It simplifies the address format by using a suffix (e.g., /24) to indicate how many bits are used for the network portion of the address, with the remaining bits reserved for host addresses. Below is a table summarizing…

  • Understanding Spanning Tree Protocol (STP): A Simplified Guide

    Understanding Spanning Tree Protocol (STP): A Simplified Guide

    In the world of networking, ensuring that data can efficiently travel between devices without unnecessary delays is crucial. One of the key protocols that helps manage the flow of data in complex network environments is the Spanning Tree Protocol (STP). While STP is often associated with preventing network loops, it also plays a critical role…

  • Scaling a UniFi Controller for 12,000+ Devices and 100,000+ Daily Users

    Scaling a UniFi Controller for 12,000+ Devices and 100,000+ Daily Users

    I’ve often encountered the frustrating reality that there are limited resources available when it comes to scaling UniFi controllers. While UniFi’s documentation provides basic guidelines, there’s a noticeable gap in comprehensive advice for those of us managing larger controllers. This article is my contribution to filling that gap, based on my own experiences and hard-learned…

  • A Comprehensive Guide to UniFi Mesh Networks

    By Cody Deluisio, Voice and Network Engineer Why trust this guide? I have deployed and optimized UniFi networks in hospitality, convention‑center, and agricultural settings for nearly a decade. The recommendations below come from real‑world field notes cross‑checked with Ubiquiti’s own documentation and updated lab tests performed in July 2025. 1. Mesh vs Wired: When to Use…