2025-04-26 What is the difference between Access an

Learn the critical differences between Access and Trunk ports in VLAN networks. This guide covers configuration steps for Huawei switches, application scenarios...

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2025-04-24 Display High Frequency Command List

A curated list of must-know display commands for network engineers, covering device diagnostics, interface configuration, performance monitoring, and troublesho...

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2025-04-23 Fix IP Conflicts & Network Loops in

Learn how to resolve office network crashes caused by IP conflicts and network loops in just 3 minutes! Discover practical solutions like command-line diagnosti...

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2025-04-22 Purpose of Router Subinterfaces & Ro

This article explains the core purpose of router subinterfaces and their application in router-on-a-stick configurations. Learn when and how to use the dot1q te...

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2025-04-21 How to resolve the '40' error in Huawei

Encountering the ‘40‘ error when starting AR devices in Huawei‘s eNSP simulator? This comprehensive guide walks you through the common causes—such as VirtualBox...

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2025-04-17 IP addresses are unique in the world, wh

This article explores why MAC addresses are essential despite globally unique IPs. Using real-world analogies (e.g., "house number vs ID card") and pr...

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2025-04-16 Selection of Core Switch Device Models

This article provides an in-depth guide to core switch selection, recommending models like the Huawei S6730 Series for businesses of varying sizes (50/500 emplo...

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2025-04-15 Essential Skills for Server Room Patrol

This article provides a comprehensive overview of essential techniques and best practices for data center inspections, covering critical areas such as power sup...

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2025-04-15 How does the Windows system know whether

This article explains how Windows determines whether a system is connected to the internet. It explores the role of the Network Connectivity Status Indicator (N...

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