Free browser-based Cisco IOS command-line simulator covering OSPF, ACLs, NAT, DHCP, STP, IPv6, VLANs for CCNA and CCNP preparation.
Live at: https://cisco-sim.networkershome.com Category: Networking By: Networkers Home — free hands-on labs for the student community
- VLANs, trunking, STP root-bridge election
- OSPF areas, LSAs, DR/BDR
- Standard and extended ACLs
- Static and dynamic NAT
- IPv6 addressing and DHCP
- CCNA 200-301
- CCNP ENCOR
- CCNP ENARSI
- Click Launch Simulator
- The simulator loads in your browser (desktop or tablet)
- Work through the guided scenarios, or explore freely
- No account. No email. No download.
Hands-on practice is the single biggest differentiator between passing an exam and actually being able to do the job. We believe practice should not be paywalled. So we keep these simulators open to everyone — students, career switchers, working professionals, and even competitor trainers.
If this tool helps you grow, please consider exploring our full training programs — that is how we sustain the free work.
Full list at labs.networkershome.com.
- Cisco IOS CLI Lab
- Palo Alto Firewall
- Fortinet FortiGate
- Cisco ISE
- Cisco DNA Center
- SD-WAN Simulator
- Cisco vManage
- Zscaler ZIA
- Cyber Attack and Defense
- Network Packet Flow
Curated index: awesome-networking-simulators
Have a scenario idea, a bug report, or a suggestion?
We especially welcome:
- New exam-aligned scenarios and walkthroughs
- Translations (Hindi, Spanish, Arabic priority)
- Teacher guides for classroom use
Networkers Home is a networking and cybersecurity training organization offering instructor-led and self-paced courses on Cisco, Palo Alto, Fortinet, Zscaler, AWS, Azure, Kubernetes, and more.
- 🌐 Website: www.networkershome.com
- 🧪 Simulators hub: labs.networkershome.com
- 📧 Email: vikas@networkershome.com
If this simulator helped you, please star the repo — it helps other students find it.
License: Free for educational and personal use. Commercial use requires permission.