Switches

1. Cisco 3850 End of Life Replacement: Comprehensive Upgrade and Migration Guide
   Selene Gong

   46
   The Cisco Catalyst 3850 series switches are approaching or have reached their End-of-Life (EoL) and End-of-Sale (EoS) milestones, making strategic upgrades essential for IT managers, network engineers, and procurement specialists. This article provides a detailed overview of the 3850’s EoL ...
2. Best PoE Switch for IP Cameras: Ensure Reliable, Scalable, and Secure Surveillance
   Selene Gong

   54
   As an experienced network engineer and technical content creator, I've seen firsthand how Power over Ethernet (PoE) technology has transformed IP camera deployments. Selecting the best PoE switch for IP cameras is not just about connecting devices—it’s about ensuring a reliable, scalable, ...
3. [2025] How to Enable PoE on Cisco Switch?
   Selene Gong

   47
   Power over Ethernet (PoE) has become a cornerstone technology for modern enterprise networks, enabling a single Ethernet cable to deliver both data and electrical power to devices such as IP phones, wireless access points (WAPs), and IP cameras. For network administrators and system ...
4. Cisco Switch End-of-Support List: EoL & EOSL Dates Explained
   Selene Gong

   44
   Quick Take Understanding the official Cisco Catalyst and Nexus end-of-support (EOSL) timeline is critical for IT directors, datacenter engineers, and procurement managers. Aligning hardware refresh cycles with strategic multi-vendor sourcing allows enterprises to protect critical security ...
5. Fortifying Your Network: A Comprehensive Guide to Cisco Switch Power Redundancy Setup
   Selene Gong

   47
   In today's interconnected world, network downtime can translate directly into significant financial losses and reputational damage. For network engineers, IT managers, and system integrators, ensuring high availability (HA) and business continuity is paramount. A critical component of a ...
6. Single-Mode vs Multimode Fiber 1310nm: Comprehensive Guide for Enterprise Networks
   Selene Gong

   38
   Fiber optic cables are the backbone of modern enterprise networks, data centers, and campus infrastructures. Selecting the correct fiber type is critical for ensuring optimal performance, signal integrity, and scalability. Among the most commonly used fiber types are single-mode fiber (SMF) and ...
7. Single-Mode vs Multi-Mode Fiber: Complete Guide for Enterprise Networks
   Selene Gong

   49
   Fiber optic cabling is the backbone of modern enterprise networks, data centers, and campus infrastructures. Choosing the right fiber type is crucial for ensuring high performance, future scalability, and cost-effective deployment. This guide covers everything about single-mode fiber vs ...
8. Cisco vs Aruba Switches: Full Comparison, Performance, Management & Security Guide
   Selene Gong

   50
   Choosing the right network switch is one of the most critical decisions for any organization. Modern networks demand high performance, reliability, and scalable management, making Cisco vs Aruba switches a common consideration. Cisco is renowned for enterprise-grade throughput, advanced ...
9. Cisco IOS XE vs IOS XR: Key Differences, Architecture, and Use Cases
   Selene Gong

   37
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10. Cisco Industrial Ethernet (IE) Switches That Work with SDA: Complete Compatibility Guide
    Selene Gong

    40
    TL;DR: Cisco IE switches combine industrial-grade resilience with enterprise-level networking features. Many IE series are compatible with Cisco SDA as Extended Nodes (EN), Policy Extended Nodes (PEN), or non-fabric devices managed via Catalyst Center. SDA leverages VXLAN/LISP for scalable, ...