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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.

Are you paying more than $1,000 for multiday, hands on Training?

Then you are paying too much! At CellStream, we offer multi-day hands-on lab classes using your computer/laptop and our state of the art multi-router and/or multi-switch lab systems: We can...

Telephone Association Memberships

We are proud to be members and or work closely with the following Telephone Associations: Telephone Association of New...

Follow Us on Twitter!

Wi-Fi and WLAN Skills that save $$$

More than 60% of all truck rolls for Service Providers are related to Wi-Fi and Wireless LAN issues. From performance to interference, issues abound. We offer the industry best, hands on...

High Cost of IPv6 Training!

According to the NRO (Number Resource Organization) poll of over 1,500 ISPs in 140 countries, 45% reported struggling to find IPv6 knowledgeable staff, and over 50% said the costs were too high! Our...

Our Latest Content

Redaction Technique in Wireshark

Here is a quick and clever technique in Wireshark. Let's say you want to present, testify, or teach about a…
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Monitor Mode in Windows At Last

Say it isn't true! For the first time in the world (for me) I can put a Wi-Fi interface on…
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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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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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