bsnl broadband setup

[yogesh at banasdairy.coop]

hi to all
i have a proxy server
early i get internet from tata
now days i get broad band connection of internet from bsnl

i have a cat6 cable came from modem to my pc eth0

i have only username and passwd
so how can i create connection to that broadband


please any one give me some idea
i try with pppoE but i not get successed

also my server have no gui mode
all are in terminal



thanks and regards
yogesh