Network for you IT Institute. (Popular for free Cisco CCNA 200-301 Training.)
We are Team of Senior Engineers have more than 12 years experiences and providing CISCO Training classroom, on-site and online training on various Networks, Python for Network Engineer, CISCO Certifications Like CCNA 200-301, CCNP ENCOR 350-401, CCNP ENARSI 300-410 and Firewall etc. Also working as full time as MSO (Mobile Switching Office) Engineer.
Certifications:
Cisco Certified Network Professional CCNP (350-401-ENCOR and 300-410-ENARSI)
Our mission is to explain complex networking topics as simple as possible for you.
This site is dedicated to helping students understand complex networking topics. We do our level best to explain things as simple as possible to help people who want to pass the Cisco CCNA 200-301, CCNP and Firewall.
For More detail email us: networkforyou4@gmail.com
Whatsapp us for Admission : wa.me/+918143809578
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Network for you
What is An overlay network?
An overlay network creates logical connections between devices, even if they are not directly connected physically.
🧠Easy Example Imagine: 🚗 Cars = Data 🛣 Roads = Underlay Network 🗺 Google Maps Route = Overlay Network
👉 Roads already exist (underlay), but Google Maps creates a smart path (overlay) to guide cars.
🔹 How It Works Overlay uses the existing network but adds extra intelligence like: Tunnels (VPN, GRE) Encapsulation (packet inside another packet) Software-based routing decisions Real Technologies (Overlay) SD-WAN VXLAN GRE Tunnels IPsec VPN
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Network for you
What is an Underlay Network?
An underlay network is the actual physical network made up of: Routers Switches Cables (fiber, Ethernet) IP connectivity
It uses protocols like: OSPF BGP Static routing ðŸ§
Easy Example Imagine:
🚗 Cars = Data
🛣 Roads = Underlay Network Without roads, cars cannot move → same way, without underlay, data cannot travel.
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