現代園區和分支機構網路需要千兆速度、第 3 層路由和 PoE 支持，且成本可預測且可控。 華為 S5720系列 透過提供基於可靠的 VRP 作業系統建構的四個不同的子系列（LI、SI、EI 和 HI）來滿足這些需求。 它們專為從小型辦公室到機構校園核心等環境而設計，具有堆疊、PoE、嵌入式安全性和多功能上行鏈路選項。 本指南將深入探討每個子系列，比較它們的規格，為部署場景提供建議，並回答常見問題，以支援網路專業人員做出明智的決策。S5720系列交換器概述這 S5720系列為不同的部署角色提供靈活的解決方案： LI（精簡版） – 基本千兆接入，可選 PoE/PoE++；非常適合入門級需求。 S...

Table of content 1. What Exactly Determines the Price of Ethernet Switches? 2. Real-world Scenario: Consumer vs. Enterprise Switch 3. Are Expensive Ethernet Switches Worth the Cost? 4. Tips for Choosing the ...

Table of content 1. What are Key Features of Layer‑2 Switches? 2. What are Key Features of Layer‑3 Switches? 3. Detailed Comparison in Real-world Scenarios 4. How to Identify Layer‑2, Layer‑3, Managed, and U...

Knowing the roles of core, aggregation, and access switches in contemporary network topology becomes essential to create effective and scalable networks. This article looks at what each such tool does, compares how they differ from each other, and offers suggestions as to what sort of network each of these option mi...

In this internet era, and in networking world the difference between Layer 2 and Layer 3 switches plays a vital role in the networking. This post takes a look at their features, what sets them apart, and the best ones for 2025 to help you make the best selection. What i...