Is it PPoE or does the modem dial for you ? – HackToHellSep 13 '12 at 13:03
If you plug in an ethernet cable connected to a modem with an active ADSL connection, you should be connected automatically. What happens in your case? – user86682Sep 13 '12 at 13:36
in ubuntu 11.04 i am connecting to internet throuth
sudo pppoeconf command. it get connected. but in 12.04 i am unable to connect to internet through pppoeconf.on askubuntu i found some article that using network manager - adding dsl connection we can able to conect inter only i have put user name ,passsword and ISP name. – Vijay NalawadeSep 13 '12 at 13:38