TATAINDICOM broadband in my laptop ubuntu

I have adsl router.
step1: http://192.168.1.254 (type adsl username and password as 'admin')
step2: in Interface Set Up -> select ISP as PPPoE/PPPoA
. enter your broadband provider given username and password
. encapsulation : PPPoELLC
. give ip address : dynamic (in that page)
. SAVE

. click Maintenance -> Sysrestart
. click current settings
. RESTART
. wait upto RESTART complete.

step3: in Ubuntu
. System -> Administration -> Networking

. Enternet connection -> Properties

. configuration - > static ip address
. ip address : 192.168.1.7
. subnet mask: 255.255.255.0
. gateway : 192.168.1.254

. DNS : 202.54.6.60