NetCLI: Network CLI Trainer

NetCLI is a hands-on network simulator for Cisco CCNA right on your phone. Build topologies, type real Cisco IOS commands on routers and switches, and master subnetting anywhere—no PC required. Designed for students preparing for CCNA 200-301, networking courses, and IT professionals who want to sharpen their CLI skills on the go. BUILD & CONFIGURE YOUR OWN LAB • My Lab: Add routers, switches, and PCs. Connect links and configure each device from an authentic terminal. • Cisco IOS Command Line: User, privileged, and global configuration modes, show commands, contextual ? help, and realistic IOS error messages. • PC Terminal: Desktop-style command prompt with ping, traceroute, and packet diagnostics. • Ready-to-use Scenarios: Pre-built topologies and guided exercises when you need practice inspiration. • Up to 6 devices per topology with integrated lab notes. LEARN STEP BY STEP • Structured Lessons: Guided walkthroughs covering core networking fundamentals up to advanced CCNA topics. • Exam Readiness Check: 15-minute, 15-question diagnostic tests to benchmark your exam prep. • Topic Quizzes: Randomized multiple-choice practice sorted by difficulty. SUBNETTING & IP PRACTICE • Subnetting Trainer: Practice finding network ID, broadcast, usable host ranges, and wildcard masks across 4 difficulty tiers. • Advanced Addressing: Dedicated trainers for IPv6, VLSM, and CIDR calculations. NETWORK ENGINEER REFERENCE TOOLKIT • 200+ Command Library: Instant syntax lookup for VLANs, OSPF, ACLs, DHCP, NAT/PAT, IPv6, and SSH—with one-tap lab tests. • Config Explainer: Paste Cisco running configs and get plain-English explanations line by line. • Troubleshooting Playbooks: Layer-by-layer OSI diagnostics paired with the exact verification commands. • Interactive Reference: Visual OSI model and networking reference sheets. SYNC & CUSTOMIZE • Cloud Backup: Free account syncing to save your topologies and learning progress across devices. • Full Dark and Light theme support. NetCLI is an independent educational tool. It is not affiliated with, sponsored by, or endorsed by Cisco Systems, Inc. Cisco, Cisco IOS, CCNA, and Packet Tracer are trademarks of Cisco Systems, Inc.