Reconnaissance & Scanning the WLAN/Wi-Fi Network
How to perform reconnaissance & scanning the WLAN/Wi-Fi Network
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Why Your Team Needs L2 Ethernet Training
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
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Creating an NVMe Lab – Option 1
One of the latest developments in compute and storage has been the NVM (Non-Volatile Memory) Express (aka NVMe) that has revolutionized SSD use and speed. NVM Express (NVMe) is also known as Non-Volatile Memory Host Controller Interface Specification (NVMHCIS) – it is an open, logical-device interface specification for accessing a computer’s non-volatile storage media usually
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Artificial Intelligence Tools that you May Find Useful
The following are some AI tools that you may find very useful in your life and even small business. For example, Microsoft is in the process of launching a Microsoft 365 AI based assistant called Copilot for the office suite of programs (you can read more about this here: https://www.microsoft.com/en-us/microsoft-365/blog/2023/03/16/introducing-microsoft-365-copilot-a-whole-new-way-to-work/) There are a lot of doubts
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Zero-to-Hero – Wireshark TCP Conversation Completeness
Introduced in version 3.6 and later is a new Wireshark expert analysis process called TCP Completeness. At first this was quite confusing, but once you get to know what is going on, you come to understand that you can use this new feature to find certain types of TCP issues. We included this is our
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CSI-HO-039 – Hands On Advanced Ethernet and TCP/IPv4
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,
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CSI-HO-038 – Hands On Advanced Ethernet and Netmask
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
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CSI-HO-037 – Hands-On L2 Ethernet Fundamentals
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
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How To Discover What is on your LAN/WLAN – Option 1
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 a service provider.
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How do I find my PC’s MAC address on Windows?
As always seems to be the case, there are several ways to find the MAC (Media Access Control) address of your interfaces in Windows. I am going to try to make this easy and considerate of different versions of Windows out there. Using the Command Line To find the Windows MAC address from Command Line,
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Zero-to-Hero on Wireshark Columns
When you first start using Wireshark you will find that the great folks at Wireshark provide us with a “Default” profile. This is where we all started. We will call this our Zero starting point. Here is what it looks like: That default, whilst a great starting point leaves much to be desired as your
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CSI-HO-036 – L1, L2, and L3 Networking Protocols – 3 Day Hands On Lab Course
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
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Find and Display All Your Wi-Fi Passwords in Windows
If you have been to one of my Wireshark or Wi-Fi classes then you know I often criticize Microsoft Windows for some of its – well – inexplicable approaches to usage and security. Here is yet another example. Windows stores several important pieces of information in Wi-Fi profiles to facilitate automatic connections to known networks
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Troubleshooting Your Network Using Port Mirroring and Packet Capture
Scenario Let’s say you have a DHCP server running on a Cisco Switch that is behaving strangely and you want to examine the traffic over a couple of hours while not creating a gigantic unmanageable capture file. A note here: I am doing this on a Cisco switch, but most all vendor switches support this
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Troubleshooting The Internet Using Ping (a.k.a. ICMP)
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) and enter the
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