Packet Sniffer SDK components/libraries set are intended for use in Windows applications for network packets capture and packets generation tasks without using preinstalled packet drivers.
TCPDUMP for Windows is a clone of TCPDUMP for UNIX systems, the popular command-line packet capture tool. An advantage of TCPDUMP for Windows is that (1) it supports 1Gbit networks and (2) it is portable, i.e. it works from removable devices.