@TechIslandHub

I teach networking the practical way CCNA | OSPF | Routing & Switching Real labs. No fluff. 🎥 YouTube ↓

 In the Island 🏝️ of Tech
youtube.com/@TechIslandHub
Joined September 2025
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SDN Simplified>Underlay vs. Overlay Underlay (Physical)>The underlying mesh of physical switches, routers, & protocols (OSPF/IS-IS) ensuring raw IP reachability. Overlay (Virtual)>The logical network on top. VXLAN tunnels create direct virtual links. #SDN #CCNA #NetworkEngineer
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🚨 New video alert! Extended ACL Configuration | Packet Tracer Lab 5.4.12 Full walkthrough just dropped on YouTube 👇 youtu.be/ZYF9H3zAgVI?si=SSNw… #CCNA #Cisco #TechIslandHub #Networking
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Stop trying to survive tech alone. You don’t grow faster in isolation — you grow in communities. At TechIslandHub 🌴 we learn together, build together, and stay consistent together. Join us. Build your future. #TechIslandHub #TechAfrica #ITCareer
🤖 Made with AI
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STP, PortFast & BPDU Guard: Secure Your Network Edges (Best for CCNA) youtu.be/AokyjK9ZLU4?si… via @YouTube

STP, PortFast & BPDU Guard: Secure Your Network Edges (Best for CCNA)

In this 9-minute lab, I demonstrate how to optimize and secure a sw...

youtube.com
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IPv6 Neighbor Discovery Explained | Live Packet Tracer Lab (CCNA) - Part 1 youtu.be/6c-yeZaLM7M?si… via @YouTube

IPv6 Neighbor Discovery Explained | Live Packet Tracer Lab (CCNA) -...

In this video I break down IPv6 Neighbor Discovery live in Packet T...

youtube.com
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Setting up basic device configurations
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Setting up basic device configurations
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When every protocol wants to be your favorite, but you just want one stable network 😅
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Can you see “Automation Task Completed “?
TechIslandHub 🏝️👑🔥@TechIslandHubApr 1
Good morning ☀️. Python 🐍 Automation…..
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Im just getting started…
TechIslandHub 🏝️👑🔥@TechIslandHubApr 1
Good morning ☀️. Python 🐍 Automation…..
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Good morning ☀️. Python 🐍 Automation…..
TechIslandHub 🏝️👑🔥@TechIslandHubMar 30
IPv6 Lab: Moving beyond SLAAC. Just validated a DHCPv6 Stateful & Stateless setup in GNS3. It’s one thing to read the theory, but another to see those M/O flags actually manage an enterprise segment. The Setup: 🔹 Cisco c7200 Routers + Catalyst 2960s.
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