Post Views: 2,744 Ethernet 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
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Post Views: 13,133 2-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
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Post Views: 14,186 4-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
CSI-HO-038 – Hands On Advanced Ethernet and Netmask Read More »
Post Views: 5,496 Who is on my network? Great question. Better yet: Who is on my customer’s network? That would be looking at the issue from a service provider’s perspective. This article attempts to answer that question with tips and tricks and tools that will help you, whether you are the owner of a network or
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Post Views: 1,499 This is a Wireshark profile specifically to help with GRE Tunnel Analysis. Troubleshooting Generic Routing Encapsulation (GRE) tunnels is important because GRE tunnels play a critical role in various networking environments, particularly in enterprise and service provider networks. GRE tunnels are used for encapsulating packets, enabling secure communication between networks, and supporting
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Post Views: 13,169 3-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
CSI-HO-036 – L1, L2, and L3 Networking Protocols – 3 Day Hands On Lab Course Read More »
Post Views: 1,613,534 Welcome to CellStream, Inc. – Telecom Consulting and Training! Telecommunications Consulting ServicesConsulting Services from Network Design to Project ManagementCheck Out our Consulting ServicesInternetworking Training ExpertsTraining and Learning Services focused on the technology that makes the Internet work.Check Out our Learning ServicesWireshark ExpertsPacket analysis expertise is critical in today’s networks, and being able
Post Views: 3,612 In this article, I wanted to provide a guide to using ping – ICMP Echo – to troubleshoot your network. Most people use ping on their platform to test if they can reach a given destination. Just open up a terminal (Linux or MAC OSx) or command line (Windows: Start> Run> cmd)
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Post Views: 7,983 In a recent class I was asked for some details on BGP Autonomous System (AS or ASN) Numbers. I thought I would document and provide a more complete answer here for others to learn from as well. What is the AS Number? Let’s begin with a definition. An Autonomous System Number (AS
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Post Views: 2,042 Got to thinking the other day. What are the world’s most important RFC’s (Request for Comment specifications)? I decided to make a list. While the following are not in any order, I tried to base them (mostly) on date. While TCP came first, I still put the Internet Protocol on the top
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Post Views: 12,107 2-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 10 Students – Maximum 16 Students Course Description Modern Wi-Fi networks must deliver more than connectivity. They must provide reliable performance while protecting users, devices, and network resources from increasingly sophisticated security threats. The CSI-HO-035 Hands-On Wi-Fi 6 and WLAN
CSI-HO-035 – Wi-Fi 6 and Wi-Fi Security in the Wireless LAN Read More »
Post Views: 15,428 1-Day Instructor-Led Hands-On Lab CourseAvailable through Web-Based Live Delivery or On-Site DeliveryMinimum 8 Students – Maximum 16 Students What Students are saying about this class: Course Description Wi-Fi problems can be difficult to troubleshoot because symptoms such as poor performance, intermittent connectivity, failure to connect, or unreliable applications may originate from several
CSI-HO-020-I – Wireshark Wi-Fi Analysis in a Day – 1 Day Read More »
