Every Networking Concept Explained | Networking 101 (2026)

🎓 What is an IP address and how does networking work? This networking 101 guide covers every major networking term and concept, from the OSI model fundamentals to routing, firewalls, TLS and VPNs. In this networking concepts guide, you'll see: How devices connect using Ethernet, Wi-Fi, MAC addresses and switches IP addresses, DHCP, subnets and how your device finds other networks through routers Routing protocols like OSPF and BGP that literally make the internet work TCP vs UDP, ports, firewalls, TLS encryption and VPNs explained simply Whether you're studying networking for DevOps or just getting started with networking fundamentals, this visual breakdown covers everything you need. 📌 Hashtags #networking101 #ipaddressexplained #networkingfordevops #networkingconcepts #osimodel #networkingfundamentals #networkingtermsandconcepts #networkingforbeginners #networkingexplained #computernetworking #networkingbasics 🎁 Cool Links for You (Save for Later) Get 30% OFF in all courses and certifications using the code "DIEGO" 👉 https://tidd.ly/4lUT45Y ⏱️ Chapters 0:00 Intro 0:31 Ethernet 0:38 Wi-Fi 0:56 MAC Address 1:15 Switch 1:35 IP Address 1:47 Static IP 1:57 DHCP 2:19 Subnet 2:31 Router 2:48 Default Gateway 3:03 Routes 3:11 Static Routing 3:23 OSPF 3:38 BGP 4:15 Ping 4:23 ICMP 4:35 TCP 4:55 UDP 5:23 Ports 5:46 Firewall 6:14 TLS 6:24 SSL 6:40 VPN 7:06 DNS 7:20 HTTP 7:33 HTTPS 7:45 Load Balancer 7:55 Closing 📬 Connect with Me LinkedIn:   / diego-arias-501b62186   For business inquiries and partnerships, please use the email listed on my channel's About page. 👋 About Me Diego Arias is a Senior DevOps Engineer based in Paris. He graduated 1st in his Networks & Cybersecurity master's, 2nd in his Computer Science master's. He works full-time in a big tech company in Paris, and he does motion design in his free time. His goal is to make complex tech concepts easier to understand by turning them into clear, engaging visuals that support better learning. 🎥 Gear I Use Camera: Sony A7C II Lens: SIGMA 24-70mm f/2.8 DG DN II Art Audio: DJI Mic 2 Key Light: GVM CRI97 Panels: GVM 800D RGB Software: Adobe Stack (After Effects, Premier Pro, Illustrator) + Blender for 3D scenes Don't forget to subscribe:    / @diegoarias-tech