there are network tools which gives such support.
check links,
*www.snapfiles.com/freeware/network/fwnetmoni.html
*www.bwmonitor.com/
*www.wireshark.org/
*www.slac.stanford.edu/xorg/nmtf/nmtf-tools.html
*www.netxms.org/
*en.wikipedia.org/wiki/Category:Open_source_network_management_software
*www.purplepixie.org/
*argus.tcp4me.com/
*munin-monitoring.org/
i hope u will find a better solutions as per ur needs.