Flowalyzer is a free network communication Tool Kit for verify network connections and network traffic routes to and from your hardware.
Flowalyzer can help IT experts troubleshoot hardware from vendors of all types, ensuring that the correct connections are open and traffic is following the optimal network paths.
Flowalyzer NetFlow & sFlow Communicator
* Run a ping or traceroute to any host.
* Ping via ICMP, UDP or TCP protocols.
* Communication responses are readable in a clear response display.
Also, includes the Flowalyzer NetFlow & sFlow Generator, Flowalyzer NetFlow & sFlow Listener and the Flowalyzer NetFlow & sFlow Configurator.

The license of this software is Freeware, you can free download and free use this network utility software.