Interface Traffic Indicator
Interface Traffic Indicator, a graph utility to measure incoming and outgoing traffic on an interface in bits/sec, bytes/sec or utilization. Works on all SNMP-capable devices (computers, NICs, switches, routers, etc.) with adjustable poll intervall down to three seconds. You can use this programm in a professional network environment to monitor selected network interfaces (even backplane ports if the device provides the information) or you can monitor your home network or cable/modem/ISDN connection to the internet.
Download the tool form here.