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Update 14/05/2025 : GNS3 3.0.5 is now available for download. This maintenance release is a major step toward a stable GNS3 release. It fixes docker logs decoding, adds delay after starting a Docker container and adding connections in uBridge, fix controller not reporting an error if invalid options are passed to Qemu, and an image to be uploaded to the controller again.

Cisco Packet Tracer is a network simulator software created by Cisco Systems. Cisco Packet Tracer download is free for self learners. Previous versions were only available for Cisco Networking Academy (Netacad) students and instructors. Download Cisco Packet Tracer after registering on Cisco Netacad website. Every registered user can also access a free online course named "Getting Started with Cisco Packet Tracer".

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