Nload is a network and administration application that enables network administrators to monitor network traffic in real-time. It provides detailed information about the current network usage, including total incoming and outgoing traffic, average data rates, peak data rates, and port-based data rates. Nload also allows the user to view the current connection speeds of individual network interfaces, as well as the total traffic processed by the system. Nload's user-friendly graphical interface makes it easy to quickly identify the sources of network bottlenecks and other performance issues. It also provides detailed information about the current network configuration, such as the IP address, the MAC address, the subnet mask, and the gateway address. This information can be used to troubleshoot network problems or optimize the network performance. In addition, Nload allows users to monitor the overall system performance, including CPU and memory utilization, system uptime, and the number of active processes. This information can be used to diagnose system performance issues, identify the causes of slowdowns, and determine the best way to optimize system resources. Nload is available as both a desktop application and a web interface, and is compatible with Linux, Mac OS X, and Windows operating systems.
You could monitor and display the traffic statistics of your server network on a monthly basis.