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Telecommunications Consulting

Consulting Services from Network Design to Project Management Read More
Internetworking Training Experts

Click on Training and then Courses. Read More
Wireshark Experts

Packet analysis expertise is critical in today's networks, and being able to use the best packet analyzer application is a skill we can help you and your team attain. Read More
Are you a Network Scientist?

Online Learning, Instructor Led in person or Web-based delivery. Check out our online school. Read More
Online Certification Training

Find out about our Network Self Certification Program for Rural Service Providers here! Read More
IPv6 Experts

Along with other Internet regions, ARIN is out of IPv4 Addresses. Are you IPv6 fluent? Are you IPv6 ready? Read More
Enabling the IoT with Wireless

Without wireless, we cannot have the Internet of Things. Read More
MPLS Book for iPad and iPhone

Get Mr. Walding's book here! Read More

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Welcome to CellStream, Inc. - Telecom Consulting and Training!

Welcome to our home on the Internet, where we can not only share information, but also interact with each other. If you are a visitor to the site, there are a number of things to view: our FAQ's, Networking and Computing Tips, our CellStream Blog, and other fun reading can all be found in the drop down menus above. The Training menu provides access to our courses, our course calendar, and learning services. The Consulting Menu provides information on our consulting services and a place to meet our consulting and teaching team. Registered CellStream folks and our clients will log in using their private credentials to access projects, calendars and discussions.

Thanks for visiting! We always welcome comments and suggestions.

IPv6 Training Since 2011

We have been training service providers and companies on IPv6 since 2011. Our hands on IPv6 classes cover basics to advanced including security. Make sure your organization has a plan to...

Value of Training!

Companies that have successful training programs outperform the market by more than 45% while companies that do not underperform by 22% - American Society for Training and Development

CellStream Services!

CellStream provides professional and technical Consulting, Training, and Curriculum Development services since 1998! Check out the details of what we do in the CellStream Learning Services...

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Our Latest Content

What does the BGP Next-Hop-Self Command Actually do?

I got this question the other day: "What does the BGP Next-Hop-Self command actually do?" It is a great question…
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Cool Bandwidth Monitoring in Linux

This article will discuss how to use some cool bandwidth monitoring tools in Linux so that you have a screen…
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Modifying the Wireshark Window Title

Did you know that you can customize the Wireshark window title? The first time I ran across this was when…
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Seven Awesome Linux Terminal Utilities for Everyone

If you are a Linux user, you know how important the Terminal is to your compute world. Now there are…
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IPv4 Subnetting Illustrated

Yes yes, you can always use an IPv4 calculator to determine the IPv4 subnet addresses, and most of these are…
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Our Most Popular Articles

What is the 'arp' command, and how can I use it?

Let's answer the question, but before I do, you can watch my ARP lesson on Youtube here: https://youtu.be/aD_caJxD7nY and look at the…
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A Great Toolkit for Presenters - Zoomit!

ZoomIt is a utility for the public speaker in all of us. When presenting information, sometimes it is helpful to…
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3 Ways to put your Wi-Fi Interface in Monitor Mode in Linux

Check out these great references as well: Our Wireless custom profile for Wireshark Our Udemy course on Wireless Packet capture…
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Neighbor Discovery (ND) Table in IPv6 Windows, Linux and MAC Machines

Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6…
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T-Shark Usage Examples

Check out these great references as well: Our custom profiles repository for Wireshark Our Udemy course on Wireshark Our Udemy…
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