The GNS3 files =============== .gns3 files ############ GNS3 project files in JSON file format with all the information necessary to save a project. 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: * 9: GNS3 2.2 * 8: GNS3 2.1 * 7: GNS3 2.0 * 6: GNS3 2.0 < beta 3 * 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 mentioned in the file) The full JSON schema can be found there: .. literalinclude:: gns3_file.json .net files ########### Topology files made for GNS3 <= version 1.0. Not supported. .gns3p or .gns3project files ############################# This this a zipped version of a.gns3 file and includes all the required files to easily share a project. The binary images can optionally be included. The zip can be a ZIP64 if the project is too big for standard zip file. .gns3a or .gns3appliance files ############################## These files contain everything needed to create a new appliance template in GNS3. A JSON schema is available there: https://github.com/GNS3/gns3-registry/blob/master/schemas/appliance.json And samples there: https://github.com/GNS3/gns3-registry/tree/master/appliances