• Telecommunications Consulting

    Telecommunications Consulting

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

    Internetworking Training Experts

    Click on Training and then Courses. Read More
  • Wireshark Experts

    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?

    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

    Online Certification Training

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

    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

    Enabling the IoT with Wireless

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

    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:

The Articles Menu contains links to our FAQ'sNetworking and Computing Tips, our CellStream Blog, and other fun reading,

The Articles> Public Web Links are where we have listed our favorite TED Talks and many other great links.

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.

The CellStream Team

Our Latest Content

  • GeoIP Add In for Wireshark 2.6 and Later

    Teaching a Wireshark class with some cellular company employees, I was asked how to integrate the GeoIP IP Address resolution. 

    Read More
  • How much QUIC Traffic is there?

    We have previously published two articles on Google's QUIC protocol: Is there a lot of QUIC in your Packet Captures?

    Read More
  • My Traceroute in Linux

    Since we published the Linux Networking Commands article in October 2017, I have had several comments that I should have

    Read More
  • Testing/Baselining DNS Server Performance

    As a follow on to our DNS In Depth article, we wanted to provide a reference to a great tool.

    Read More
  • Using Ansible for Network Automation

    Ansible is a tool used to automate Server provisioning and network provisioning.  Ansible is completely free!  You can dive deep

    Read More
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Our Most Popular Articles

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

    ARP stands for Address Resolution Protocol.  This protocol is used by network nodes to match IP addresses to MAC addresses. 

    Read More
  • Neighbor Discovery (ND) Table in IPv6 Windows, Linux and MAC Machines

    A great question I was asked in class was: "If Neighbor Discovery processes have replaced ARP in ICMPv6, how do

    Read More
  • IPv6 Windows Command Line Examples

    Here are some great Windows command line entries you can make to examine and configure IPv6 (assuming your version of

    Read More
  • How do I reset my "Default" profile in Wireshark?

    This is a commonly asked question that usually results from users learning the can have different profiles after they have

    Read More
  • A List of Network Monitoring Tools for Network and System Administrators

    Monitoring, analyzing, managing, and diagraming a network can often be a huge problem for Network and System Administrators.  They are

    Read More
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