Cacti

If you want to be able to have the perfect solution to create charts based on local network data,    Cacti is, of course, exactly what you are looking for. It is a tool with which you will be able to create the network data charts you need. This application is designed and developed to take complete advantage of application graphics using the RRDtool.    

The application is designed in PHP and accounts with a very agile manipulation form: from the interface you will be able to get the most out of this tool. With the available screens of advanced graphics and a multitude of different options to visualize the different data that you need in your charts.    

The graphics screens that are in the program cover traffic, as well as all the systems that are connected to your networks.    

The user interface of the program, is where you will be able to manage the application, making it easy to use and you will find it to be a complete solution to be able to manage a local LAN to more complex and complete networks you need to manage.