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A: False positive. Some AVs flag old installers as “rare downloads.” Submit the file to Cisco’s whitelist or temporarily disable real-time protection during install.
Start from terminal: packettracer
Resolved critical application crashes related to commands like show ip ospf interface and service password-encryption . System Requirements Cisco Packet Tracer 7.1.1 Download
A: Yes. On Windows, install to different folders (e.g., Cisco Packet Tracer 7.1.1 and Cisco Packet Tracer 8.2 ). They do not conflict. A: False positive
| Tool | Best for | Free? | Notes | |------|----------|-------|-------| | | New CCNA, IoT, automation | Yes (with NetAcad) | Heavier, more features | | GNS3 | Real IOS images, advanced labs | Yes | Steeper learning curve | | EVE-NG Community | Professional topologies | Yes | Requires virtualization | | Cisco Modeling Labs (CML) | Enterprise simulation | Paid (trial available) | Most powerful | | Cisco DevNet Sandbox | Cloud labs | Free (timed) | No installation needed | System Requirements A: Yes