Explore Documentation
The official guide and reference for GNS3

Getting started

Getting started with GNS3

Setup wizard for local server

Setup wizard for GNS3 VM

Your first GNS3 topology

Your first Cisco GNS3 Topology

Installation

Installation on Windows

Installation on Mac OS X

Installation on Linux

Installation on ESXi

Install on a remote server

Downloading the GNS3 VM

Download GNS3 for Windows 32 bit

One GNS3 server, multiple clients

Upgrade GNS3

Using GNS3

Beginner

The GNS3 GUI

Change node symbol

GNS3 Styles

Switching and GNS3

The console terminal

Install an appliance from the GNS3 Marketplace

Import GNS3 appliance

Advanced

Connect GNS3 to the internet

Connect GNS3 to the internet (GNS3 VM)

The NAT node

Special IPs in GNS3

Move from IOUVM to GNS3 VM

Settings profiles

Create a new version for an appliance

Port name formatting

GNS3 administration

GNS3 server configuration file

Running the GNS3 server as a daemon

GNS3 security

Client server SSL encryption

Scale GNS3

Contribute to GNS3

Contribute to GNS3

Development of GNS3

Emulators

Which emulator should I use?

Dynamips

Cisco IOS images for Dynamips

IOU

Non-Native IOU for Windows and OSX

VMware

Adding VMware VMs to GNS3 Topologies

Docker

Docker support in GNS3

Create a docker container for GNS3

VPCS

VPCS

Qemu

Qemu system UUID

How-To

Cisco ASA

Importing vMX and vQFX into GNS3

Troubleshooting

Troubleshoot GNS3

FAQ

General FAQ

Where do I get IOS images?

Appliances

Router

A10 vThunder

Alcatel 7750

Big Cloud Fabric

BIRD

vRouter

vTM DE

BSDRP

Cisco 1700

Cisco 2600

Cisco 2691

Cisco 3620

Cisco 3640

Cisco 3660

Cisco 3725

Cisco 3745

Cisco 7200

Cisco CSR1000v

Cisco IOSv

Cisco IOS XRv

Cisco IOS XRv 9000

Cisco IOU L3

NetScaler VPX

CloudRouter

Dell FTOS

F5 BIG-IP LTM VE

FortiADC

HP VSR1001

Internet

Juniper vMX vCP

Juniper vMX vFP

KEMP Free VLM

LEDE

Loadbalancer.org Enterprise VA

MikroTik CHR

OpenWrt

OpenWrt Realview

VyOS

ZeroShell

Multilayer switch

Arista vEOS

Cisco IOSvL2

Cisco IOU L2

Cisco NX-OSv

Cisco NX-OSv 9000

Cumulus VX

EXOS

Juniper vQFX PFE

Juniper vQFX RE

Onos

Open vSwitch

Open vSwitch management

Firewall

Brocade Virtual ADX

Checkpoint GAiA

Cisco ASAv

Cisco ISE

Web Security Virtual Appliance

ClearOS CE

FortiGate

FortiWeb

vSRX

Kerio Control

pfSense

Proxmox MG

Smoothwall Express

Sophos UTM Home Edition

Sophos XG Firewall

IMS VA

IWS VA

Untangle NG

Guest

Alpine Linux

AsteriskNOW

Chromium

Cisco DCNM

Cisco vWLC

CoreOS

DEFT Linux

F5 BIG-IQ CM

Firefox

FortiAnalyzer

FortiCache

FortiMail

FortiManager

FreeBSD

FreeNAS

ipterm

Jupyter

Jupyter 2.7

Kali Linux

Kali Linux CLI

Kerio Connect

Kerio Operator

Micro Core Linux

NETem

ntopng

OpenBSD

Ostinato

PacketFence ZEN

SteelHead CX 555V

Sophos iView

Tiny Core Linux

Ubuntu

vRIN

webterm

Zentyal Server