VnStat is a fully-featured, command line-based program to monitor Linux network traffic and bandwidth utilization in real-time, on Linux and BSD systems. You can create, schedule, and generate comprehensive bandwidth analysis reports in just a few clicks. With its customizable reports, NetFlow Analyzer also helps you predict and plan your bandwidth requirements. With its traffic shaping abilities, NetFlow Analyzer helps you identify network anomalies in real-time and troubleshoot them before they affect your end-users. You can track the traffic patterns in your network over any period of time, and drill down further into the device, interface, application, and user-level details. It monitors your network, analyzes traffic patterns, and detects and diagnoses bandwidth hogs. ManageEngine NetFlow Analyzer is a flow-based bandwidth monitoring solution that offers multi-vendor support.

This article includes a mix of small tools for monitoring bandwidth on a single Linux machine and complete monitoring solutions capable of handling a few number of hosts on a LAN ( Local Area Network) to multiple host even on a WAN ( Wide Area Network). The tools listed below are all open source and can help you to answer questions such as “ why is the network so slow today?”. If you are looking to manage, troubleshoot or debug your Network, then read our article – A Linux Sysadmin’s Guide to Network Management, Troubleshooting and Debugging In this article, we will review 16 useful bandwidth monitoring tools to analyze network usage on a Linux system. Read Also: 20 Commad Line Tools to Monitor Linux Performance Are you having problems monitoring your Linux network bandwidth usage? Do you need help? It’s important that you are able to visualize what is happening in your network in order to understand and resolve whatever is causing network slowness or simply to keep an eye on your network.

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