L2

Native VLAN vs. Normal VLAN: What Is the Difference on a Cisco Switch?

Views: 1,084This is a great question that is answered in my courses that teach L2 Ethernet, but I have never answered here. So let’s dive in. VLANs are one of the fundamental building blocks of Ethernet switching. They allow us to divide a physical switched network into multiple logical Layer 2 broadcast domains. But when

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High-Speed Ethernet for AI and Data Centers

Views: 2,053What I have created here is a somewhat technical SWOT Analysis for Network Engineers and Technicians for one of today’s top networking subjects of interest: the high speed needs being delivered by Ethernet technology for AI and for Data Centers. Introduction: Why High-Speed Ethernet Matters in AI Infrastructure High-Speed Ethernet has become a foundational

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How to discover what is on your LAN (IPv4 and IPv6) or WLAN – Option 2

Views: 8,879Here is our second attempt at answering the question – we will call it Option 2. You can find the first article here. This question comes up all the time, and the answers can be quite varied. Seems simple enough at first glance, right? But the problem is that things are not simple, especially

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Why Your Team Needs L2 Ethernet Training

Views: 2,874Ethernet began as a Local Area Network (LAN) technology that provided world class speed at lower cost.  In more recent times, Ethernet has become the delivery mechanism for Fiber to the Home and Business and the transport mechanism within the service provider network.  With speeds of up to 100Gig and 400Gig, it is the

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CSI-HO-039 – Hands On Advanced Ethernet and TCP/IPv4

Views: 13,2802-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 10 Students – Maximum 16 Students Course Description Modern Ethernet networks depend on much more than basic switching. Network technicians and engineers increasingly need to understand Ethernet behavior, TCP performance, IPv4 addressing, routing, and packet-level troubleshooting as an integrated set of skills.

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CSI-HO-038 – Hands On Advanced Ethernet and Netmask

Views: 14,3264-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 10 Students – Maximum 16 Students Course Description Modern Ethernet networks extend far beyond basic switching and VLAN operation. High-performance applications, storage systems, data centers, and converged networks depend on Ethernet, TCP/IP, addressing, routing, and specialized storage protocols working together efficiently. Engineers

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CSI-HO-037 – Hands-On L2 Ethernet Fundamentals

Views: 13,8772-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 10 Students – Maximum 16 Students Course Description Ethernet is the foundation of modern local area networking and remains one of the most important technologies for technicians, engineers, network administrators, and support personnel to understand. While Ethernet may appear simple on the

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CSI-HO-036 – L1, L2, and L3 Networking Protocols – 3 Day Hands On Lab Course

Views: 13,2983-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 10 Students – Maximum 16 Students What Students are Saying About this Class: Course Description Modern networks depend on technologies operating together across multiple layers. A technician or engineer who understands only Ethernet switching or only IP routing sees just one part

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CSI-HO-009-A – L2 Ethernet in a Day – 1 Day

Views: 12,222 1-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 8 Students – Maximum 16 Students Course Description Ethernet is the foundation of modern Local Area Networks and is also widely used throughout enterprise, broadband, metropolitan, data-center, and service-provider networks. Anyone responsible for installing, operating, supporting, or troubleshooting networks needs a solid

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CSI-OL-004 – Ethernet 101 – The Basics of Ethernet

Views: 12,250    4-Hour Online, Self-Paced CourseYou will find the course here on our Online School Ethernet is the foundation of virtually every modern Local Area Network (LAN) and an essential technology for anyone working with broadband, enterprise networks, Wi-Fi, TCP/IP, or the Internet. Ethernet 101 – The Basics of Ethernet provides a practical introduction

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CSI-HO-009 – Ethernet 101

Views: 12,853 1-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 10 Students – Maximum 20 Students Course Description Ethernet is the foundation of nearly every modern local area network. Whether supporting enterprise networks, broadband services, data centers, or service-provider infrastructure, networking professionals need a solid understanding of how Ethernet devices communicate, how

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