[Controller] ; Options for JWT tokens (user authentication) jwt_secret_key = efd08eccec3bd0a1be2e086670e5efa90969c68d07e072d7354a76cea5e33d4e jwt_algorithm = HS256 jwt_access_token_expire_minutes = 1440 ; Initial default super admin username ; It cannot be changed once the controller has started once default_admin_username = admin ; Initial default super admin password ; It cannot be changed once the controller has started once default_admin_password = admin [Server] ; Server name, default is what is returned by socket.gethostname() name = GNS3_Server ; What protocol the server uses (http or https) protocol = http ; IP where the server listen for connections host = 0.0.0.0 ; HTTP port for controlling the servers port = 3080 ; Secrets directory secrets_dir = /home/gns3/.config/GNS3/secrets ; Options to enable SSL encryption enable_ssl = False certfile = /home/gns3/.config/GNS3/ssl/server.cert certkey = /home/gns3/.config/GNS3/ssl/server.key ; Path where binary images are stored images_path = /home/gns3/GNS3/images ; Additional paths to look for images additional_images_paths = /opt/images;/mnt/disk1/images ; Path where user projects are stored projects_path = /home/gns3/GNS3/projects ; Path where custom user appliances are stored appliances_path = /home/gns3/GNS3/appliances ; Path where custom user symbols are stored symbols_path = /home/gns3/GNS3/symbols ; Path where custom configs are stored configs_path = /home/gns3/GNS3/configs ; Path where files like built-in appliances and Docker resources are stored ; The default path is the local user data directory ; (Linux: "~/.local/share/GNS3", macOS: "~/Library/Application Support/GNS3", Windows: "%APPDATA%\GNS3") ; resources_path = /home/gns3/GNS3/resources ; Default symbol theme ; Currently available themes are "Classic", Affinity-square-blue", "Affinity-square-red" ; "Affinity-square-gray", "Affinity-circle-blue", "Affinity-circle-red" and "Affinity-circle-gray" default_symbol_theme = Affinity-square-blue ; Option to enable or disable raw images to be uploaded to the server allow_raw_images = True ; Option to automatically discover images in the images directory auto_discover_images = True ; Option to automatically send crash reports to the GNS3 team report_errors = True ; First console port of the range allocated to devices console_start_port_range = 5000 ; Last console port of the range allocated to devices console_end_port_range = 10000 ; First VNC console port of the range allocated to devices. ; The value MUST BE >= 5900 and <= 65535 vnc_console_start_port_range = 5900 ; Last VNC console port of the range allocated to devices ; The value MUST BE >= 5900 and <= 65535 vnc_console_end_port_range = 10000 ; First port of the range allocated for inter-device communication. Two ports are allocated per link. udp_start_port_range = 20000 ; Last port of the range allocated for inter-device communication. Two ports are allocated per link udp_end_port_range = 30000 ; uBridge executable location, default: search in PATH ;ubridge_path = ubridge ; Username for compute HTTP authentication, "gns3" is the default if not specified compute_username = gns3 ; Password for compute HTTP authentication, a randomly generated password is used if not specified compute_password = gns3 ; Only allow these interfaces to be used by GNS3, for the Cloud node for example (Linux/OSX only) ; Do not forget to allow virbr0 in order for the NAT node to work allowed_interfaces = eth0,eth1,virbr0 ; Specify the NAT interface to be used by the NAT node ; Default is virbr0 on Linux (requires libvirt) and vmnet8 for other platforms (requires VMware) default_nat_interface = vmnet10 ; Enable the built-in templates enable_builtin_templates = True ; Install built-in appliances install_builtin_appliances = True ; check if hardware virtualization is used by other emulators (KVM, VMware or VirtualBox) hardware_virtualization_check = True [VPCS] ; VPCS executable location, default: search in PATH ;vpcs_path = vpcs [Dynamips] ; Enable auxiliary console ports on IOS routers allocate_aux_console_ports = False mmap_support = True ; Dynamips executable path, default: search in PATH ;dynamips_path = dynamips sparse_memory_support = True ghost_ios_support = True [IOU] ; Path of your .iourc file. If not provided, the file is searched in $HOME/.iourc iourc_path = /home/gns3/.iourc ; Validate if the iourc license file is correct. If you turn this off and your licence is invalid IOU will not start and no errors will be shown. license_check = True [VirtualBox] ; Path to the VBoxManage binary used to manage VirtualBox vboxmanage_path = vboxmanage [VMware] ; Path to vmrun binary used to manage VMware vmrun_path = vmrun ; First vmnet interface of the range that can be managed by the GNS3 server vmnet_start_range = 2 ; Last vmnet interface of the range that can be managed by the GNS3 server. It must be maximum 19 on Windows. vmnet_end_range = 255 ; block network traffic originating from the host OS block_host_traffic = False [Qemu] ; Use Qemu monitor feature to communicate with Qemu VMs enable_monitor = True ; IP used to listen for the monitor monitor_host = 127.0.0.1 ; !! Remember to add the gns3 user to the KVM group, otherwise you will not have read / write permissions to /dev/kvm !! ; Enable hardware acceleration (all platforms) enable_hardware_acceleration = True ; Require hardware acceleration in order to start VMs require_hardware_acceleration = False ; Allow unsafe additional command line options allow_unsafe_options = False