David Bombal8 Juli 2020

#153: Building A Retro 1970s Network

Time for a real working retro network with 10base5, 10base2, Windows 3.11 and Windows 98. See how the original Ethernet actually worked with Terminators, Vampire Taps, Network Interface Cards (NICs) drop cables, Attachment Unit Interfaces (AUI), Medium Attachment Units (MAU), transceivers, BNC connectors, Thicknet 10base5 cabling, 10base2 cabling and more! It's really hard to work with these old types of Ethernet - especially 10base5. In this video I use a retro computer - an Amstrad 386 laptop to ping sites on the Internet like google.com across a Thicknet and Thinnet coaxial cabling network. It's a retro network, but it really helps you learn about why terminators where important, about CSMA/CD, cables and other Ethernet technologies. This is one of multiple videos in my Retro Networking series. Menu: Laptop: 0:00 Network Card: 0:39 Drop cable connection: 1:30 10Base5 Transceiver: 1:58 10Base5 Terminator: 2:18 10Base5 Cable: 2:32 10Base2 Cable: 3:38 Power on Laptop: 3:59 Starting DOS: 4:39 Start Windows 3.11: 5:10 Windows Overview: 5:30 Ping google.com: 6:02 What is ping? 7:08 Ping cisco.com 7:32 Disconnect drop cable: 7:41 Disconnect terminator: 8:26 Network card and working network: 10:20 Windows 3.11 TCP/IP: 11:16 Telnet to Cisco Router: 11:42 Windows 3.11 Network Setup 12:50 IP address, DNS server setup: 13:11 10base5, 10base2, 10base-T cables: 14:24 Good Links: 10Base5: https://en.wikipedia.org/wiki/10BASE5 10Base2: https://en.wikipedia.org/wiki/10BASE2 Ethernet: https://en.wikipedia.org/wiki/Ethernet Coax Cable: https://en.wikipedia.org/wiki/Coaxial_cable 10Base5 10Base2 Thicknet Thinnet Cheapernet Vampire tap networking Retro PC Windows 3.11 #10base5 #thicknet #ccna

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#597: The Hacking Gadgets You Need to Know

Note: Hak5 did not pay me to make this video. But, I'm marking it as sponsored because Darren was kind enough to give me some cool Hak5 gadgets. Get your own using my link: https://davidbombal.wiki/ge...

24 Aug 42min

#596: This is the Real Cybersecurity Problem

Thank you to Threatlocker for sponsoring my trip to Black Hat so I can interview amazing people. Jen Easterly joins David Bombal to discuss why today’s cybersecurity problem may actually be a softwar...

20 Aug 28min

#595: How to Detect Fake Cell Towers Near You

Big thanks to Proton VPN for sponsoring this video. To sign up for Proton VPN please use the following link https://protonvpn.com/davidbombal and get 70% off. Learn how fake cell towers and Stingray...

18 Aug 1h 2min

#594: How to Protect Your Network From Insecure IoT Devices

Hackers are using overlooked IoT devices such as IP cameras, printers and smart speakers to gain access to networks and spread ransomware. Philip Wylie explains how an outdated IP camera became a ran...

30 Juli 31min

#593: How to pass the CCNA exam (advice from two Cisco instructors)

Two Cisco training veterans break down how to know you are ready for the CCNA exam, what changes in CCNA 2.0, and whether the CCNA is still worth it in 2026. Brian Bays has been teaching official Cis...

25 Juli 36min

#592: Why most enterprise AI fails (and how to succeed)

Agentic AI is putting a 400x load on enterprise networks. Cisco and NTT Data experts reveal why only 13% of leaders successfully scale AI, the nightmare of quantum threats, and how to secure your infr...

15 Juli 37min

#591: Inside the Cisco Live 2026 NOC (exclusive tour)

Big thanks to Cisco for sponsoring my trip to Cisco Live EMEA and for changing my life and the lives of many other people. // Joe Clarke SOCIAL // LinkedIn: / joeclarke2 // YouTube video REFER...

15 Juli 26min

#590: CCNA 2.0: What did Cisco just remove from the exam?

Big thanks to Cisco for sponsoring this video and sponsoring my trip to Cisco Live Vegas. Cisco has officially announced a major update to the CCNA, moving from version 1.1 to the new CCNA 2.0 bluepr...

2 Juli 44min