Welcome to CellStream’s Networking and Computing Tips resource center, where technology professionals, students, and enthusiasts can find practical guidance, troubleshooting techniques, and real-world solutions for today’s networking and computing challenges. Our goal is to help you work smarter, solve problems faster, and build a stronger foundation of technical knowledge.
Whether you’re configuring a network, optimizing system performance, learning a new technology, or troubleshooting a difficult issue, you’ll find valuable insights drawn from decades of industry experience. From Wireshark packet analysis and broadband technologies to Windows, Linux, cybersecurity, Wi-Fi, and Internet protocols, our tips are designed to be practical, actionable, and immediately useful.
• Step-by-step technical guides and how-to articles
• Networking troubleshooting techniques and best practices
• Wireshark tips, packet analysis workflows, and protocol insights
• Windows, Linux, and computing optimization recommendations
• Cybersecurity awareness and protection strategies
• Broadband, Wi-Fi, Ethernet, TCP/IP, and Internet technology guidance
• Productivity tips and tools for network engineers and IT professionals
• Improving network troubleshooting efficiency
• Optimizing computer and operating system performance
• Securing devices, accounts, and data
• Capturing and analyzing packets with Wireshark
• Understanding TCP/IP, DNS, DHCP, Ethernet, and Wi-Fi technologies
• Using industry tools more effectively
We’re always looking for new ideas, questions, and topics to explore. If there’s a networking or computing subject you’d like us to cover, or if you need help solving a technical challenge, connect with us through our Discord community or contact us directly.
Please note that not all tips, procedures, and configuration examples apply to every operating system, network device, software version, or vendor platform. Always verify compatibility and test changes in a controlled environment before implementing them in production networks.
Post Views: 1,366 Hi everyone! [Wow – this was a long time ago! As of 2020 I have updated a little.] One of the challenges to any computer user is keeping software up to date with the latest features, bug fixes, and security patches. Often this tedious process requires opening applications and seeing if the […]
Keeping your Windows PC Software Up to Date Read More »
Post Views: 3,650 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School Here are some great Windows command line entries you can make to examine and configure IPv6 (assuming your version of Windows does so). We will discuss use
IPv6 Windows Command Line Examples Read More »
Post Views: 3,562 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School ***There is an update to this article you can find here*** Here are some great Linux command line entries you can make to examine and configure IPv6
IPv6 Linux Command Line Examples Read More »
Post Views: 4,785 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School Before I get started, let’s just clarify that besides MacOS or macOS, IPv6 is supported on iOS, ipadOS, tvOS, watchOS as well as on visionOS. The kernel
IPv6 MacOS Command Line Examples Read More »
Post Views: 1,109 We have previously written praise for Ubuntu as an operating system. The regular Ubuntu desktop OS can be found here. Some of you may prefer the Ubuntu Server that can be found here. If you install the Ubuntu Server, when the system boots the first time, you will find out very quickly
Installing the Desktop for Ubuntu Server Read More »
Post Views: 1,629 If you own a Netbook or laptop, you may be surprised by the new default look of the latest Ubuntu release. I have tried to like it on my Netbook. I have completely complied with the neverending typing of application names to find my common apps. Some of my colleagues have reported
Fixing the Ubuntu 11.x User Interface Read More »
Post Views: 1,334 Hi everyone! As most of our students and felow workers know, we love and have been avid users of GNS3 for several years now. We always try to help folks get started on this great free softwar. You can do/learn so much with/about Network Science by simply using GNS3, and the greatest
Five Simple Steps to GNS3 Setup Read More »
Post Views: 3,825 With more and more networking professionals tackling IPv6 and the changes incorporated into this next generation protocol, necessity requires that we look closely at the Internet Control Message Protocol as it has been highly modified for IPv6 support. The experiment outlined below will walk you through a packet capture that contains ICMPv6
Experimenting with ICMPv6 Read More »
Post Views: 1,744 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School With more and more networking professionals tackling IPv6 and the changes incorporated into this next generation protocol, necessity requires that we look closely at the Internet Control
Experimenting with DHCPv6 Read More »
Post Views: 1,752 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School We are often asked, how do you enable IPv6 on a computer? With all the various versions of operating systems out there, this is no simple answer.
Enabling IPv6 on a Computer Read More »
Post Views: 2,115 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School As more and more people are discovering IPv6, there is a tendency to test and play with the technology. First, you can generically turn off IPv6 on
Disabling IPv6 and IPv6 Tunnel Communications Read More »
Post Views: 1,606 In this article we will discuss using 6to4 Tunneling in your Windows machine. In order to do this, we will use a very popular “Tunnel Broker” Service provided by Hurricane Electric. 6to4 tunnels are a way to create a tunnel between two IPv6 end points (your computer and a web server) across
Setting up a 6to4 Tunnel in Windows 7 Read More »
Post Views: 2,300 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 Network Administrators often need to deploy new Access Control Lists or Firewall rules based on items they see and learn in packet captures. Wireshark makes this task
Create ACL and Firewall Rules with Wireshark Read More »
Post Views: 915 World IPv6 day, occurred on June 8th, 2011, designed as a global-scale test flight of IPv6 and is sponsored by the Internet Society. On World IPv6 Day, major web companies and other industry players came together to enable IPv6 on their main websites for 24 hours. The goal is to motivate organizations
World IPv6 Day on June 8, 2011 Read More »
Post Views: 1,975 That’s right, if you want a single monitor of everything emergency or disaster related that is happening in the world as it happens, then simply click here! The Hungarian National Association of Radio Distress-Signaling and Infocommunications (RSOE) operates the Emergency and Disaster Information Service (EDIS) with the objective to monitor, document and
The Ultimate Earth Status Screen Read More »
