IPTables Bandwidth Monitor

IPTables Bandwidth Monitor is an excellent software to monitor network bandwidth consumption, available in C programming language. You can use it by feeding it the output information from iptables -L command, and it will generate diverse statistical outputs formatted as per your preferences. This monitoring tool is primarily designed for IP based monitoring requirements in the Tomato firmware. Nonetheless, you can custom compile its source code for other iptables-based platforms.

If you want to monitor network bandwidth consumption but don't have a monitoring system or special hardware in place, this software can be a perfect solution. It works well with many Linux-based routers, including the infamous Linksys WRT54G routers. You can use this software to monitor the bandwidth consumption on your computer or any other device connected to your network. This software offers an array of options for tracking your bandwidth consumption easily, making it a popular choice.

Overall, IPTables Bandwidth Monitor is a reliable and straightforward software that is designed for monitoring network usage, and the default firmware platform is Tomato. It's an ideal solution for individuals or small businesses who require bandwidth monitoring without creating a significant financial burden.