Hi, > 1. how can I make the modem works? > My modem is a supraFaxModem 14400 And what exactly is the problem with the modem? > 2. How may I configure the tcp/ip and ppp to have > manual ip addresses in my intranet and dynamic > ip address to connect to my ISP That's what PPP does anyway. See /usr/doc/ppp and man pages (route, ifconfig). Michael