CellStream - Home

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

› ‹

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

IPv4 Subnetting Illustrated

Yes yes, you can always use an IPv4 calculator to determine the IPv4 subnet addresses, and most of these are…
Read More
How do I install /upgrade Wireshark in Ubuntu Linux?

First things first - the Wireshark downloads page is here: https://www.wireshark.org/download.html I know I have put the answer to this in…
Read More
Adding Packet Comments in Wireshark

Just a quick tip on how to add packet comments to your packet captures. The usecases are fairly straight forward: …
Read More
Packet Diagram feature in Wireshark

In Wireshark 3.3.0 development release, and 3.4.0 stable release and later, you are going to find a hidden gem. Wireshark…
Read More
Nested Display Filter Buttons feature in Wireshark

In Wireshark 3.4.0 stable release and later, you are going to find a display button feature that we have already…
Read More

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…
Read More
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…
Read More
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…
Read More
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…
Read More
T-Shark Usage Examples

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