Dial up connection via LAN?

i have installed windows 2000 sp4. I am using lan connection for internet but i have to give user name and password. Simply i want to connect dsl(pppoe) with user name and password. But dial up connection works only with modem not through lan IN WINDOWS 2000. WIN XP HAS OPTION TO CONNECT TO DSL THAT REQUIRES USER NAME & PASSWORD. HOW TO CONNECT DIAL UP VIA DSL IN WINDOWS 2000?

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