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How to use Web Console

Web Console is a new feature in GNS3 3.1. It lets you access the command-line terminal of your devices directly in the browser. You do not need to install extra software or open many windows.

Quick Start​

Open Web Console

Right-click on a device that supports serial console (like routers or switches) in the project topology and select "Web console" to open the console window in your browser.

Right-click device to open Web Console

The console window supports dragging, resizing, minimizing, and other operations. You can manage multiple devices conveniently in your browser.

Features​

Device Management Sidebar​

The left side of the console window shows a list of all devices you can connect to in the current project.

Devices shown:

  • ✅ Devices that support serial console (like routers and switches)
  • ❌ VNC devices (these use a separate window)

Actions:

  • Click a device name to open or switch to that device's console tab
  • Click the sidebar title to expand or collapse the device list

Device Management Sidebar

Multi-Tab Console Window​

Window actions:

  • Drag: Hold the title bar to move the window
  • Resize: Drag the window edges or corners
  • Minimize: Click the minimize button to hide the window in the taskbar
  • Maximize: Click the maximize button to make the window fill the screen height
  • Close: Click the close button to close the current device console

Console tabs:

  • Each device shows as its own tab
  • Click a tab to switch to a different device
  • You can open up to 8 device consoles at the same time

Multi-Tab Console Window

Shortcuts​

ShortcutFunction
Alt+1 to Alt+8Quickly switch to the 1st to 8th device console
Alt+9Switch to the GNS3 log console

Shortcuts

note

Shortcuts only work when the console window is active (click on the window first).

GNS3 Log Console​

The last tab in the console window (Alt+9) shows GNS3 project logs. These include:

  • Project events
  • Errors and warning messages
  • Device status changes

You can use this for troubleshooting and project monitoring.

GNS3 Log Console

Comparison with the Traditional Way​

FeatureWeb ConsoleTraditional Console
InstallationNo installation neededNeeds terminal software
Window managementBrowser tabsMany separate windows
ShortcutsAlt+1-9 to switchNeed to switch windows manually
Cross-platformAny browserDepends on the operating system

Feature Contributor​

Web Console feature was developed and contributed by YueGuobin.