PRTG Network Monitor is a powerful network monitoring application for Windows-based systems. It is suitable for small, medium and large networks and capable of LAN, WAN, WLAN and VPN monitoring. It monitors network availability and bandwidth usage as well as various other network parameters such as quality of service, memory load and CPU usages. It provides system administrators with live readings and periodical usage trends to optimize the efficiency, layout and setup of leased lines, routers, firewalls, servers and other network components.

The software is easy to set up and use and monitors a network using SNMP, WMI, packet sniffer, Cisco NetFlow as well as many other industry stan...Read more about PRTG Network Monitor