Tutorials Cloud Computing Tutorial
VPN — Complete Guide
VPN — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of Cloud Computing Tutorial on Toolliyo Academy.
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Cloud Computing Tutorial · Lesson 14 of 100
VPN
Foundations → Platform → Ops → Projects
Foundations · 1 — Cloud & networks · ~6 min · Cloud — Networking & Infrastructure
What is this?
VPN connects on-prem or users to cloud networks over encrypted tunnels.
Why should you care?
CloudVerse hybrid banking links the private ledger VPC via site-to-site VPN (or ExpressRoute later).
See it live — copy this example
Use AWS/Azure/GCP free tier or local Docker/Kind. Sketches and YAML are meant to be typed and adapted.
# site-to-site sketch
# On-prem 10.10.0.0/16 ===IPsec=== CloudVerse VPC 10.0.0.0/16
# Need: customer gateway, VPN gateway, non-overlapping CIDRs, routes both sidesWhat happened?
- Overlapping CIDRs break hybrid.
- Prefer dedicated links for production critical traffic when justified.
Practice next
- Ensure non-overlap CIDRs.
- Create VPN gateway lab.
- Ping a private IP across.
- Add a second tunnel for HA.
- Document who owns on-prem routes.
Remember
Encrypted hybrid path. Non-overlap CIDRs. Routes both ways.
CloudVerse hybrid VPN
Ledger reachable from cloud apps.
Outcome: Hybrid path tested with ping/TCP.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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