The CellStream Blog

Welcome to the CellStream Blog, your trusted source for networking, telecommunications, broadband, Wireshark, and Internet technology insights. Our articles are designed to help engineers, technicians, IT professionals, and technology enthusiasts deepen their knowledge, sharpen their troubleshooting skills, and stay current with emerging industry trends.

From practical how-to guides and protocol deep dives to real-world troubleshooting techniques and expert analysis, we provide content that bridges theory and application. Whether you’re exploring new technologies, solving complex network challenges, or advancing your professional expertise, the CellStream Blog delivers actionable knowledge you can apply immediately. Join us as we share decades of industry experience to help you learn, analyze, troubleshoot, and succeed.

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Best Practices for Securing your WLAN/Wi-Fi Network at Home or Small Business

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Views: 8,109If you have attended any of my presentations of WLAN/Wi-Fi Security or even my Security Courses,you know that the design of WLAN/Wi-Fi networks leaves a lot to be desired when it comes to security.  This is also evidenced by the law suit against Amazon with hackers allegedly controlling Ring cameras. I have always said that

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Fantastic Free Wi-Fi Analyzer for Windows – WinFi

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Views: 5,716Here is the download link: https://github.com/HelgeMagnusKeck/WinFi – look to the right, you will see Releases, and the latest release can be downloaded. Here is the Discord Server to join in discussions and request PRO Engineer version activation: https://discord.gg/4GTv5ED7 This tool is free – and there is a PRO Engineer version that costs money. After

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Complaint: Why Don’t You Allow Employees to use Wireshark?

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Views: 2,241 Check out these great references as well:   Our custom profiles repository for Wireshark  Our Udemy course on Wireshark   Our Udemy course on Wireless Packet capture  Let me begin with a little background.  At CellStream, and the Online School of Network Sciences, we have taught hundreds of Wireshark classes for general networking, voice networking,

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Technology Hiring – Always a Tough Challenge

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Views: 2,600In a recent set of email exchanges with a client, we were tackling the challenges of hiring engineers and technical staff.  I can summarize the most interesting issues as follows: Deliberately, we have not listed the normal hiring checklist items. The answer to the first question can be summarized in a single word as

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Are Traditional Service Providers Watching Over Their Shoulders?

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Views: 1,752Most Service Providers have been very busy over the past several years laying fiber to the home/premise/curb.  This activity has resulted in large jumps in the Internet speeds that many served customers are enjoying.  Of course, the less rural you are the better, but still, even the rural providers are stretching their budgets and

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Searching for the Root of the Network Security Issues

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Views: 7,013If you have been living in a cave or an island or a mountainside somewhere and have not heard, the new weapon of choice is cyber-security based.  Attacking a company by wiping out it’s databases and computer files and/or spreading a virus and/or creating malware seems to be the most lethal and fearless method

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Flipping the Certification Model

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Views: 2,190  Many folks have heard about “Flipping the Classroom”.  The Internet and the online learning tools are opening new doors to traditional training and teaching models.  We have leveraged these same tools and have redefined the traditional certification training model – we call it “Flipping the Certification Model”.  Let’s start with what the traditional

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What will be the Software Defined Networking (SDN) Skills Needed?

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Views: 2,035In 2012 and 2013, all the buzz in networking was about the emergence of Software Defined Networking (SDN).  Frankly, that buzz continues in 2014 and vendors continue to refine and define their role in this market segment.  Like a game of chess, the players are all stating their objectives, their product plans, and their

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Downloading an HD Movie in 8 Minutes

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Views: 1,942Comcast revealed last year that it intended to deliver a special high speed option for Internet service at up to 105Mb/s.  An article in USA Today reports: “Extreme 105, [will be] available to consumers in more than 40 million homes in San Francisco, Seattle, Denver, Chicago, Boston, Philadelphia, Washington, D.C., and Miami, among others.

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