Dec 19, 2010

NfSen is a graphical web based front end for the nfdump netflow tools. NfSen allows you to: Display your netflow data: Flows, Packets and Bytes using RRD (Round Robin Database). Easily navigate through the netflow data. Process the netflow data within the specified time span. Create history as well as continuous profiles. Net-flow NetFlow v9 • Record formats are defined using templates. • Template descriptions are communicated from the router to the NetFlow Collection Engine. • Flow records are sent from the router to the NetFlow Collection Engine with minimal template information so that the NetFlow Collection Engine can relate the records to the appropriate Cisco Nexus 7000 Series NX-OS System Management

SANS Institute Information Security Reading Room

NetFlow version 9: egress vs. ingress - Plixer Cacti and MRTG use SNMP to query the ifInOctets and ifOutOctets of a device to display in and out traffic. I don’t think they use NetFlow at all. The database of these tools is not practical for NetFlow storage. Storage and aggregation are paramount issues to consider for NetFlow analysis and reporting. Here is how we do it: How to Install and Configure MRTG on Ubuntu 18.04 MRTG also known as "Multi Router Traffic Grapher" is a free and open source tool to monitor the traffic load on network links. You can monitor daily, weekly, monthly and yearly network traffic using MRTG. MRTG supports for Windows and Linux operating system. MRTG provides a simple web interface to display network traffic data in graphical form.

Jan 08, 2019

Network Traffic Monitor - View, Analyze, and Optimize Identifying the root cause of a slow network depends on monitoring both network device performance and network traffic. SolarWinds Bandwidth Analyzer Pack (BAP) is a network traffic monitor combining the best-in-class features of Network Performance Monitor (NPM) and NetFlow Traffic Analyzer (NTA).. With BAP, you can also measure network traffic across your network by drilling down on