The only platform where you troubleshoot real incidents, work CLI terminals, receive phone calls, manage alarms, and climb from Junior to Senior Data Center Network Engineer — all in your browser.
Join 2,400+ engineers already learning
Not just flashcards and videos. A complete environment that replicates the day-to-day challenges of enterprise and data center networking.
Type real Cisco IOS, NX-OS, and JunOS commands in your browser. Tab completion, command history, privilege levels — exactly like the real thing.
Get a phone call, receive an alarm, open a ticket. Troubleshoot real incidents under time pressure like a Senior Network Engineer would.
Monitor BGP sessions, interface utilization, CPU/memory, OSPF neighbors, and alarms from a realistic Network Operations Center view.
Receive emails from users, managers, and vendors. Reply, escalate, and close tickets as part of real-world workflow scenarios.
Earn XP, level up, unlock achievements, and climb from Network Apprentice to Distinguished Engineer. Daily and weekly missions keep you sharp.
Mount switches in racks, connect fiber and copper cables, replace hardware, reset PDUs. Physical layer knowledge included.
Cisco IOS, IOS-XE, NX-OS available now. Juniper JunOS, Arista EOS, Fortinet, and Linux coming soon.
Theory → Quiz → CLI Lab → Scenario → Challenge → Exam. Each topic builds on the last with a clear progression path.
Structured learning paths aligned with real job roles. Progress from Junior to Senior with a clear curriculum designed by network professionals.
Junior → Senior
Master switching, routing, and WAN technologies. The foundation of every network career.
Engineer → Architect
Specialize in spine-leaf architectures, EVPN/VXLAN, and high-density DC switching.
Engineer → Specialist
Firewall policies, Zero Trust, IDS/IPS, VPN, and network segmentation.
Tier 1 → Tier 3
Event correlation, alert management, escalation procedures, and incident response.
Not a simulation. Not fake output. The same Cisco IOS experience in your browser, with tab completion, command history, and realistic device behavior.
Start free and upgrade when you're ready. No hidden fees.
3 labs · 5 scenarios · Level 0 curriculum
Everything in Pro · Admin dashboard · Team board
Start with the fundamentals and work your way up to EVPN/VXLAN Data Center architectures.
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