Big thank you to Cisco for sponsoring this video and sponsoring my trip to Cisco Live San Diego. Can AI really help network engineers in 2025? Hank Preston joins David...
Are 100 Gigabit Ethernet transceivers really that expensive? In this video, I answer a popular question from my last build—how much do QSFP modules cost for high-speed fiber setups? I...
Ever wonder which OS defaults to IPv6 when pinging Google? I tested Windows 11, Kali Linux, Ubuntu, and macOS, and the results may surprise you. Learn the subtle networking differences...
You Can Learn Networking FOR FREE 🤯 You don’t need to spend a dime to learn real networking skills. David Bombal shows you how to get started with practical CCNA...
They Said IPerf3 Was Bad… So I Tested It Lots of people claimed IPerf2 would crush IPerf3 in a 100Gbps test, so I ran them head to head. The results...
Why We Skipped IPv5 🧐 Why there's no IPv5. It was already used by the Internet Stream Protocol, which wasn't meant to replace IPv4. So we went straight to IPv6...
What exactly is a protocol stack—and why does the entire internet rely on it? In this video, I break down how protocol stacks like TCP/IP work, what the layers do,...
Why is ARP used in networks? And which networks actually use ARP (Address Resolution Protocol)? // CCNA Complete Practical Course // Expect regular updates - the full course will be...
Do you know how a Switch learns where devices in the topology? In this video you'll learn about MAC address tables and how they are populated on a switch. //...
You will learn so much more by building networks yourself. Time to start building a network is now! // CCNA Complete Practical Course // Expect regular updates - the full...
Packet Tracer is fantastic free software but it does have limitations. In this video we compare real physical devices vs Cisco Packet Tracer. // CCNA Complete Practical Course // Expect...
