Post Views: 1,988 I just wanted to make a quick post on a conversation I couldn’t help but jump in on in the Network Engineering Professionals group on LinkedIn. Truthfully I ignore a lot of errors – and there are a lot of errors and incorrect statements/drawings/diagrams etc. that I simply do not understand how […]
Subnetting Tools can be Wrong! Read More »
Post Views: 3,682 How does my traffic to a site on the Internet get there? What path did it follow? These are great questions, and I will attempt to answer them in this article. When you’re on the Internet, information or requests sent from your computer don’t reach the destination computer in a single jump
Using Traceroute to Determine Paths Through the Internet Read More »
How to perform reconnaissance & scanning the WLAN/Wi-Fi Network
Reconnaissance & Scanning the WLAN/Wi-Fi Network Read More »
Post Views: 1,866 Ethernet began as a Local Area Network (LAN) technology that provided world class speed at lower cost. In more recent times, Ethernet has become the delivery mechanism for Fiber to the Home and Business and the transport mechanism within the service provider network. With speeds of up to 100Gig and 400Gig, it
Why Your Team Needs L2 Ethernet Training Read More »
Post Views: 2,092 CellStream, Inc. – Telecom Consulting and Training! 2-Day Instructor Led Hands On Lab ClassAvailable in either Web Based delivery or On-Site DeliveryMinimum 10 students – Maximum 16 students Course Description: This is an advanced L2 Ethernet and TCP/IPv4 course that leverages Wireshark and packet capture, to
CSI-HO-039 – Hands On Advanced Ethernet and TCP/IPv4 Read More »
Post Views: 3,402 CellStream, Inc. – Telecom Consulting and Training! 4-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 16 students Course Description: This is an advanced L2 Ethernet and Netmask course that leverages Wireshark and packet capture to not only visualize
CSI-HO-038 – Hands On Advanced Ethernet and Netmask Read More »
Post Views: 3,700 Who is on my network? Great question. Better yet: Who is on my customer’s network? That would be looking at the issue from a service provider’s perspective. This article attempts to answer that question with tips and tricks and tools that will help you, whether you are the owner of a network or
How To Discover What is on your LAN/WLAN – Option 1 Read More »
Post Views: 887 This is a Wireshark profile specifically to help with GRE Tunnel Analysis. Troubleshooting Generic Routing Encapsulation (GRE) tunnels is important because GRE tunnels play a critical role in various networking environments, particularly in enterprise and service provider networks. GRE tunnels are used for encapsulating packets, enabling secure communication between networks, and supporting
GRE Tunnel Profile Read More »
Post Views: 7,961 When you first start using Wireshark you will find that the great folks at Wireshark provide us with a “Default” profile. This is where we all started. We will call this our Zero starting point. Here is what it looks like: That default, whilst a great starting point leaves much to be
Zero-to-Hero on Wireshark Columns Read More »
Post Views: 2,355 CellStream, Inc. – Telecom Consulting and Training! 3-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 16 students What Students are Saying About this Class: “[Instructor] covered the information incredibly well and all of
CSI-HO-036 – L1, L2, and L3 Networking Protocols – 3 Day Hands On Lab Course Read More »
Post Views: 1,145,107 Telecommunications Consulting ServicesConsulting Services from Network Design to Project ManagementCheck Out our Consulting ServicesInternetworking Training ExpertsTraining and Learning Services focused on the technology that makes the Internet work.Check Out our Learning ServicesWireshark ExpertsPacket analysis expertise is critical in today’s networks, and being able to use the best packet analyzer application is a
Post Views: 2,178 In this article, I wanted to provide a guide to using ping – ICMP Echo – to troubleshoot your network. Most people use ping on their platform to test if they can reach a given destination. Just open up a terminal (Linux or MAC OSx) or command line (Windows: Start> Run> cmd)
Troubleshooting The Internet Using Ping (a.k.a. ICMP) Read More »
