The prob could be either in your dsl settings (did they give you a place and password to web or telnet into to adjust?) or with your lan or ICS. ICS is what i would look into first. check out these urls: mIRC and ICS help :
http://www.borg.com/~chuck/using.htm http://members.home.com/kgamard/win2ktip.htm#ICS http://www.ircworks.com/ics.htm 
