A program for low-level network packets capturing and analyzing in
real-time. Allows to capture all network traffic even in switched LAN.
Sniffer supports rudimantary parsing of following protocols: IP, TCP, UDP and many others,
includes support for RAS-connections (PPP).

SnifMon is the Shareware version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around  79USD.