If your entire internet connection drops upon clicking start, your filter configuration is likely set to all . Stop the tool and refine your filter expression to isolate only the specific port or IP address associated with the application you are actively testing.
Holds packets for a specific period to emulate high ping. Drop: Randomly discards packets to simulate packet loss.
To give you a better idea of how to use these parameters in practice, here are a few common testing scenarios:
Check the boxes for the conditions you want to simulate (e.g., to begin the simulation. GitHub Pages documentation Are you using Clumsy for game development troubleshooting or for software QA AI responses may include mistakes. Learn more Download - GitHub Pages clumsy 04 v2 install download
Once opened, you will see a simple GUI. Here is how to get started:
Clumsy is a portable application, meaning it does not utilize a standard Windows installer wizard. Right-click the downloaded .zip folder. Select .
Navigate to the "Releases" section of the repository. Look for the stable build labeled . If your entire internet connection drops upon clicking
If your filter syntax is too broad (e.g., setting a 100% Drop rate on all inbound and outbound traffic), your entire system will lose internet connectivity.
Since WinPcap is no longer maintained, use (by the Nmap project), which is fully compatible.
The most reliable place to find the latest version is the official GitHub repository, often linked to the original developer, jagt . Drop: Randomly discards packets to simulate packet loss
Ensure the extracted folder contains the primary executable ( clumsy.exe ), the WinDivert driver files ( WinDivert.dll and WinDivert64.sys ), and the configuration text files.
Select the type of network issue you want to simulate (Lag, Drop, Throttle, Out of order, etc.). Click the "Start" button to begin the simulation. GitHub Pages documentation Important Notes Alpha Software: