Help Needed To Configure In Linux

i have got a new bsnl dataone connection 2 day ago (256 bandwidth).working in windows xp mce brillaintly at a down load speed of 30-35 kbs.i want to configure it under fedora core 5&suse.can any one help with the configure file?seen some documenttions on net and tried but not successfull.every documentation says to configure the ip addres as 192.168.1.2 but bsnl gave the ip address as 192.168.1.34(this is the configuaration with xp).thanks