Many technicians and network engineering staff, as well as IT staff, often need to “tap” into the Ethernet to capture and troubleshoot network traffic. A full-duplex tap (also called a network tap) is a hardware device placed inline on an Ethernet link that allows network engineers to capture all traffic traveling in both directions — […]
Ethernet Taps to Capture Network Traffic Read More »
Whether you are performing preventive maintenance or repairing routers or switches or any other network equipment, you need a solid toolkit to easily perform the task. First, let me list for you what I have in my service/repair toolkit. These items are mostly available at Amazon, of course, and if you click any of the
Servicing or Repairing Network Equipment Read More »
As many of you who have been in my classes, or are my clients, know, I am not a fan of the accuracy and meaning of speed tests. Perhaps I am being a little technical here. Over the next several posts, I want to provide some detailed information on Speed Tests. I thought the best
What are the best Speed Test tools? Read More »
A great question in my two day Security class recently. The physical layer (Layer 1) of the layered model is responsible for the transmission of raw data bits over a communication medium. Although it is often considered more secure due to its reliance on physical components, it is still vulnerable to a variety of threats.
What are some examples of Physical Layer Threats in Networking? Read More »
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 is the only
Why Your Team Needs L2 Ethernet Training Read More »
CellStream, Inc. – Telecom Consulting and Training! 2-Day Instructor Led Hands On Lab ClassAvailable in either Web Based delivery or On-Site DeliveryMinimum 10 students – Maximum 16 students Course Description: This is an advanced L2 Ethernet and TCP/IPv4 course that leverages Wireshark and packet capture, to not only visualize,
CSI-HO-039 – Hands On Advanced Ethernet and TCP/IPv4 Read More »
CellStream, Inc. – Telecom Consulting and Training! 4-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 16 students Course Description: This is an advanced L2 Ethernet and Netmask course that leverages Wireshark and packet capture to not only visualize but to learn
CSI-HO-038 – Hands On Advanced Ethernet and Netmask Read More »
CellStream, Inc. – Telecom Consulting and Training! 2-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 16 students Course Description: Knowing the fundamentals of Ethernet is vital to anyone who is in the networking field today, whether
CSI-HO-037 – Hands-On L2 Ethernet Fundamentals Read More »
CellStream, Inc. – Telecom Consulting and Training! 3-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 16 students What Students are Saying About this Class: “[Instructor] covered the information incredibly well and all of it was applicable
CSI-HO-036 – L1, L2, and L3 Networking Protocols – 3 Day Hands On Lab Course Read More »
CellStream, Inc. – Telecom Consulting and Training! 1-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 8 students – Maximum 16 students Course Description: Ethernet was invented as a Local Area Network protocol that busted the ceiling of bandwidth at
CSI-HO-009-A – L2 Ethernet in a Day – 1 Day Read More »
CellStream, Inc. – Telecom Consulting and Training! 4hr Online Self Paced course that must be completed within 30 days. Click Here to go to our Online Courses. Course Description This course is an introduction to to Ethernet, and Ethernet LAN principles and concepts. From understanding the structure
CSI-OL-004 – Ethernet 101 – The Basics of Ethernet Read More »
CellStream, Inc. – Telecom Consulting and Training! 2-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 20 students What Students are Saying about This Class: “Andrew is a great instructor. I thoroughly enjoyed the Wireshark for Data
CSI-HO-020-B – Explore Packet Analysis with Wireshark – Data Center Edition – 2 Day Read More »
Here are some really important Ethernet Cabling Installation Tips! For solid wire UTP, the minimum bend radius is eight times the outside diameter of the cable. Anything less affects the twist rate, reducing noise rejection. When installing long runs be careful not to stretch the cable, doing so could alter the twist rate, again reducing
Ethernet Cabling Fundamentals Read More »
Let’s answer the questions, but before I do, you can watch my ARP lesson on Youtube here: https://youtu.be/aD_caJxD7nY and look at the lessons in the playlist:https://www.youtube.com/playlist?list=PL-nDeWT9WTjFT1syEIGsLTObjkx4XDOUt Check out some further ARP Resources: Our free ARP course at Udemy Our ARP custom profile for Wireshark Our chapter on ARP at the Online School Reference Library OK –
What is the ‘arp’ protocol and the ‘arp’ command, and how can I use it? Read More »
CellStream, Inc. – Telecom Consulting and Training! 1-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 20 students Course Description: Knowing the fundamentals of Datalink Layer 2 Ethernet and Ethernet Switching is vital to anyone who
CSI-HO-009 – Ethernet 101 Read More »