if u run win2000 in your network perhaps it can helps :
http://www.tutorialusa.com/70216.html
http://www.trainingcenter.com/series...16.asp?source=
http://www.discoveryvip.com/Products...er_network.htm

if u running Linux , you may visit these :
http://www.linuxplanet.com/linuxplanet/reports/4134/4/
for SuSE here's the link http://www.linuxplanet.com/linuxplanet/tutorials/894/3/
perhaps that may help mate.