Hands‑on simulations and visualizations for mastering computer networks – from fundamentals to advanced troubleshooting.
Clients, servers, peers, and the core concepts of networking.
PAN, LAN, MAN, WAN – coverage, examples, and comparison.
Bus, star, ring, mesh, hybrid – diagrams and live animations.
Layer functions, protocols, and encapsulation explained.
Hub, switch, router, firewall, access point, and more.
IPv4, subnet masks, CIDR, VLSM, and live subnet calculator.
Automatic IP assignment, DORA process, name resolution.
HTTP, HTTPS, FTP, SMTP, SNMP – packets & configs.
Wi‑Fi standards, security, channels, and real‑world setup.
Firewalls, VPNs, encryption, IDS/IPS, defense in depth.
IPsec, OpenVPN, WireGuard, site‑to‑site and remote access.
ping, traceroute, ipconfig, nslookup, Wireshark, and more.
External Links:
