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: 1,611 Hi everyone! As most of our students and fellow workers know, we love and have been avid users of GNS3 for many years now. We always try to help folks get started on this great free software. 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: 4,312 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: 2,125 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: 2,016 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 still frequently asked, “How do I enable IPv6 on my computer?” Years ago, that could actually involve installing the IPv6 protocol stack or explicitly enabling
How to Enable and Verify IPv6 on Windows, Linux and macOS Read More »
Post Views: 2,533 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: 1,871 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: 2,731 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: 1,020 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: 2,306 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 »
Post Views: 1,581 Is it possible to locate an IP address on a map of the world? Absolutely! Simply go to IPFingerprints.com! When you open a browser windo to this web site, your IP Address will be detected and a pin will be placed on your location. You should get a screen like this:
Locate an IP Address on a World Map Read More »
Post Views: 1,504 This procedure is how to set the IP address in an VMWare ESX 4.x server. We compiled this information from multiple sources, and even had to correct the procedure from what we found on the VMware site!! So frustrating when these things are so poorly documented. This worked for us: Step 1:
Setting a new or Static IP in ESX VM Server Read More »
Post Views: 1,900 PLEASE READ THE COMPLETE INSTRUCTIONS BEFORE YOU START. One of the best features of Windows (XP Professional, Vista and Windows 7, 8, 10) is the Remote Desktop Connection feature. This feature allows you to connect to another computer as if you are using that computer. Some examples would be: In some cases
Access Multiple Computers on a LAN (or VM) via Remote Desktop Connection Read More »
Post Views: 3,142 Everyone who works on Routers and Switches administering networks needs a toolbox of applications that help them to do their job better. Getting the answer from the Internet search engines is nearly impossible in a short amount of time. So, I decided to post a list of our favorite tools all in
Router and Switch Net Admin Tools – a basic list Read More »
Post Views: 2,272 Remember Word Perfect with its function key template that listed all the keyboard shortcuts? Okay, maybe not! Below are all the handy Windows 7 keyboard shortcuts. You can find a complete list here. Ease of Access keyboard shortcuts The following table contains keyboard shortcuts that can help make your computer easier
Windows Keyboard Shortcuts Read More »
Post Views: 3,711 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
Ethernet Cabling Fundamentals Read More »
