Oracle 10g 10.2.0.5 dataguard switchover

Hi,

Please advise me on the switch-over. is there any additional parameters i have to set? and please advise on the TNS as well.

database version - 10.2.0.5,PFILE.

PROD

db_name = PROD

db_unique_name=PROD

*.log_archive_dest_2='service=STBYPROD lgwr async optional'

*.log_archive_dest_state_2='enable'

*.fal_client='STBYPROD'

*.fal_server='PROD'

*.STANDBY_FILE_MANAGEMENT=AUTO

standby_archive_dest='/uprod/arch/PROD_%t_%s.arc'

STBYPROD

db_name = PROD

db_unique_name=STBYPROD

log_archive_dest_2='service=PROD lgwr async optional'

log_archive_dest_state_2=enable

log_archive_dest_1='location=/uprod/arch'

log_archive_format='PROD_%t_%s_%r.arc'