How to Connect GNS3 (Windows) to a Remote Server

How to Connect GNS3 (Windows) to a Remote Server

Purpose

This article explains how to connect GNS3 installed on Windows to a remote GNS3 server.This is useful when the remote server has more CPU and RAM.
Connecting to a remote server helps when your local computer does not have enough CPU or RAM to run large lab topologies. In this setup, the remote server handles all device processing, which improves performance, stability, and allows you to run bigger labs smoothly without overloading your PC.

Windows PC → GNS3 GUI installed
https://www.gns3.com/software/download

Remote Server → GNS3 Server running ( GNS3 Server installed on remote machine)
Remote Server IP Example: 192.168.18.199
Port: 3080/80

Steps to Connect

Step 1: Open GNS3

Open GNS3 on your Windows PC.

Step 1: Go to Preferences

Click:

Edit → Preferences




Step 3: Add Remote server 

Go to:

Server → Remote Servers


Click Add


Name: REMOTE-SERVER
Protocol: HTTP
Host: 192.168.18.199
Port: 80
User: gns3
password: gns3

Click OK


Step 4: Select Remote Server

Go to:

Server → Main Server


Select:

Choose your added server.

Click Apply → OK

Step 5: Verify Connection

Status shows Connected







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