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Glossary
Project
A project contains everything that is needed to save and restore a virtual network in GNS3 (the topology, virtual disks, settings etc.)
Topology
A topology represents a virtual network (nodes, visual elements, links...). A topology is often used to refer to a project.
Node
A Virtual Machine (Dynamips, IOU, Qemu, VPCS...) or builtin node (cloud, switch, hub...) that run on a compute.
Template
A template used to create a new node. A node is created when dragging a template to a topology.
Appliance
A file (.gns3a or .gns3appliance) used to create a new template with predefined settings.
Drawing
A Drawing is a visual element like annotations, images, rectangles etc. There are pure SVG elements.
Adapter
A physical network interface, like a PCI card. The adapter can contain multiple ports.
Port
A port is an opening on a network adapter where can be plugged into.
For example a VM can have a serial and an Ethernet adapter. The Ethernet adapter itself can have 4 ports.
Controller
The central server managing everything in GNS3. A GNS3 controller will manage multiple GNS3 compute node.
Compute
The process running on each server with GNS3. The GNS3 compute node is controlled by the GNS3 controller.
Symbol
A symbol is an icon used to represent a node on a scene.
Scene
A scene is the drawing area or canvas.
Filter
Packet filter, for instance to add latency on a link or drop packets