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Course Outline
Overview of GNS3 for Network Simulation
- GNS3 architecture and capabilities for design/testing
- GNS3 vs. physical labs vs. other simulators
- Recommended hardware, OS, and setup tips
Preparing the GNS3 Environment
- Installing GNS3 GUI and GNS3 VM
- Connecting GNS3 to real devices and virtual machines
- Using Docker containers, appliances, and external tools
Building Enterprise Network Topologies
- Layer 2 and Layer 3 network components
- Multi-site WAN and data center simulation
- Cloud/hybrid architecture representation in GNS3
Replicating Production Environments
- Capturing configurations from live networks
- Importing existing routing/switching setups
- Designing scalable testbeds with realistic traffic
Testing, Validation, and Documentation
- Traffic generation and fault injection techniques
- Automated testing scenarios (BGP failover, QoS, ACLs)
- Packet capture and flow validation with Wireshark
Integration with Other Tools
- Connecting GNS3 to VirtualBox, VMware, or KVM
- Using Linux-based services (DHCP, DNS, FTP) in topologies
- Linking with network automation tools (e.g., Ansible)
Advanced Use Cases and Best Practices
- Using GNS3 for network migrations and proof-of-concept testing
- Load testing, failover simulation, and performance tuning
- Client demonstrations and architecture validation exercises
Summary and Next Steps
Requirements
- Strong understanding of network protocols and architectures
- Experience configuring network equipment (routers, switches, firewalls)
- Familiarity with virtualization and system administration tools
Audience
- Network engineers and system architects
- IT consultants responsible for network planning and migration
- QA and testing teams evaluating network changes
- Professionals involved in lab replication of production environments
21 Hours
Testimonials (2)
communication, knowledge from experience, solve problems,
Marcin Walewski - Intel Technology Poland Sp. z o.o.
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