課程簡介

Introduction to GNS3 for Cisco Certification

  • GNS3 architecture and system requirements
  • Benefits of GNS3 for CCNA/CCNP prep
  • Installing GNS3 and setting up the GNS3 VM

Importing and Managing Cisco IOS Images

  • Understanding Cisco IOS image types and licensing
  • Importing IOS, IOU/IOL, and appliance templates
  • Using Idle-PC values and resource optimization

Working with Routers and Switches

  • Adding Cisco routers and switches to a topology
  • Configuring interfaces, routing protocols, and VLANs
  • Simulating multi-router and multilayer switch environments

Building CCNA/CCNP Lab Topologies

  • Static and dynamic routing (RIP, OSPF, EIGRP)
  • Switching labs: VLANs, VTP, STP
  • Inter-VLAN routing and trunking

Advanced Protocols and Features

  • ACLs and NAT configuration
  • HSRP, EtherChannel, and port security
  • Basic BGP (for CCNP-level scenarios)

Troubleshooting and Packet Capture

  • Using Wireshark for live packet analysis
  • Show/debug commands for fault isolation
  • Simulating failures and performance issues

Exam Preparation and Practice Scenarios

  • Designing exam-aligned lab exercises
  • Reviewing common configuration tasks
  • Practicing time-bound simulations

Summary and Next Steps

最低要求

  • Basic understanding of networking fundamentals (OSI model, IP addressing)
  • Familiarity with Cisco IOS CLI
  • Prior exposure to routing and switching concepts

Audience

  • Networking professionals preparing for Cisco certifications (especially CCNA and CCNP)
  • Technicians and engineers needing hands-on practice with Cisco IOS
  • IT trainers and instructors building Cisco-aligned lab environments
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