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IPv6 Linux Command Line Examples

Post Views: 89 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School OK folks, based on some feedback from Reddit, I decided to update this post from 2013. Modern Linux distributions have largely deprecated the legacy net-tools suite (which

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Fiber Optics Primer for Technicians

Post Views: 197 A broadband technician working with fiber optics must understand both the theory and the hands-on operational realities of fiber networks. The following areas represent the core knowledge required to install, maintain, and troubleshoot fiber effectively in access and distribution networks. 1. Fiber Fundamentals Technicians must understand how fiber carries data as light,

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Just Updated: Our Favorite Source of US Travel Information

Post Views: 372 Since 2023, we have shared information that helps folks that travel the western US. We learned about this site that has live cameras and warnings of road conditions, travel information, traffic cams, weather warnings, incidents, and much more from a colleague (thank you Doug Galarus!), and have used it on our many

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Windows PowerShell Commands for Wi-Fi and WLANs

Post Views: 1,312 Below is a clean, technician-focused list of the Windows PowerShell commands used for Wi-Fi and WLAN troubleshooting, organized by function. This aligns well with broadband-tech workflows, capture analysis, and WLAN Operations fundamentals. 1. Let’s Start with Discovering Wi-Fi Interfaces & Drivers Get Wi-Fi NICs & Driver Info Driver Version / Capabilities 2.

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PowerShell Commands Used for Network Troubleshooting

Post Views: 1,564 Here’s a solid toolbox of Windows PowerShell commands used for network troubleshooting, with quick notes on what each one is good for. I’ll try to group them by task so they are a little easier to remember. 1. Basic Connectivity & “Ping-Style” Tests Test-Connection PowerShell’s ping (ICMP echo) equivalent. Test-NetConnection More advanced

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CSI-SP-008 – Network Troubleshooting Fundamentals for Technicians – 1D

Post Views: 1,386 CellStream, Inc. – Telecom Consulting and Training!  1-Day, Instructor Led, Web Based Delivery or Self Paced, OnlineMinimum: 10 StudentsWeb Based Delivery: Max class size is 30On Site Delivery: Max class size is 20 Click here to go to the Online Class. Course Description: Network Troubleshooting Fundamentals for Technicians is a hands-on technical course

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What is the 169.254.x.x IPv4 address?

Post Views: 1,182 The 169.254.x.x IPv4 address is called the APIPA address. APIPA stands for Automatic Private IP Addressing. It’s a fallback mechanism built into Windows (and most modern operating systems) to give your network interface a “link local” address when it can’t get one from a DHCP server. The APIPA IPv4 Addresses are any

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The TLS 1.2 Protocol Ladder

Post Views: 823 I provide this information for reference when examining TLS in Wireshark. The TLS 1.2 protocol ladder (also called the TLS handshake ladder) describes the step-by-step sequence of message exchanges between a client and server as they negotiate a secure, encrypted connection. Think of it as a “ladder” where each side alternates rungs

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What is the Adapter for loopback traffic capture in Wireshark?

Post Views: 1,512 Using a loopback adapter (also called a local loopback interface) for packet capture in Wireshark allows you to capture traffic that stays within your own computer — for example, packets exchanged between local applications via localhost or 127.0.0.1. Normally, this traffic never reaches a physical network interface, so a loopback capture is

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Ethernet Taps to Capture Network Traffic

Post Views: 1,175 Many technicians and network engineering staff, as well as IT staff, often need to “tap” into the Ethernet to capture and troubleshoot network traffic. A full-duplex tap (also called a network tap) is a hardware device placed inline on an Ethernet link that allows network engineers to capture all traffic traveling in

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We have several articles here that contain and use Amazon links for products we recommend or reference.  When you select products using those links, we receive a small cut without affecting your price, and appreciate you for using our links.  Here are some of those posts:

10 Best Books for Broadband Technicians
The Top Ten Networking Books for Reference
Servicing or Repairing Network Equipment
The Network Products We Use in Our “Go Bag”
A List of USB Wi-Fi Adapters that support Monitor Mode
A Wi-Fi 7 Tri-Band USB Adapter now available on Amazon
IPv6 Books for Reference and Study

 

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