GNS3 file formats ================= The .gns3 ########## It's the topology file of GNS3 this file is a JSON with all the informations about what is inside the topology. A minimal version: .. code:: json { "name": "untitled", "project_id": null, "revision": 5, "topology": {}, "type": "topology", "version": "2.0.0" } The revision is the version of file format: * 6: GNS3 2.0 * 5: GNS3 2.0 < alpha 4 * 4: GNS3 1.5 * 3: GNS3 1.4 * 2: GNS3 1.3 * 1: GNS3 1.0, 1.1, 1.2 (Not mentionned in the topology file) And the full JSON schema: .. literalinclude:: gns3_file.json The .net ######### It's topologies made for GNS3 0.8 The .gns3p or .gns3project ########################### It's a zipped version of the .gns3 and all files require for a topology. The images could be included inside but are optionnals. The zip could be a ZIP64 if the project is too big for standard zip file. The .gns3a or .gns3appliance ############################# This file contains details on how to import an appliance in GNS3. A JSON schema is available here: https://github.com/GNS3/gns3-registry/blob/master/schemas/appliance.json And samples here: https://github.com/GNS3/gns3-registry/tree/master/appliances