I just created a physical standby database.
I think I have everything set up correctly
but for some reason, the logs are not being
sent and applied to the stanby server.
Can some point to me where I'm wrong?
Below are the spiflies for the setup

PRIMARY DATABSE spfile
===================


*.background_dump_dest='/u28/ora01/MANGO/log/bdump'
*.compatible='9.2.0'
*.control_files='/u28/ora01/MANGO/control01.ctl','/u28/ora01/MANGO/control02.ctl'
*.core_dump_dest='/u28/ora01/MANGO/cdump'
*.db_block_size=8192
*.db_cache_size=104857600
*.db_domain=''
*.db_file_multiblock_read_count=16
*.db_name='MANGO'
*.fal_client='MANGO'
*.fal_server='MANGO'
*.fast_start_mttr_target=300
*.hash_join_enabled=TRUE
*.instance_name='MANGO'
*.java_pool_size=78643200
*.job_queue_processes=10
*.large_pool_size=8388608
*.log_archive_dest_1='LOCATION=/u28/ora04/MANGO/archive MANDATORY'
*.log_archive_dest_2='SERVICE=MANGO'
*.log_archive_dest_state_1='enable'
*.log_archive_dest_state_2='ENABLE'
*.log_archive_format='%t_%s.dbf'
*.LOG_ARCHIVE_START=true
*.log_checkpoints_to_alert=TRUE
*.nls_comp='BINARY'
*.nls_date_format='YYYY-MM-DD HH24:MI:SS'
*.nls_sort='BINARY'
*.open_cursors=300
*.optimizer_index_cost_adj=1
*.pga_aggregate_target=25165824
*.processes=150
*.query_rewrite_enabled='TRUE'
*.remote_login_passwordfile='exclusive'
*.shared_pool_size=262144000
*.sort_area_size=524288
*.standby_archive_dest='/u28/ora04/MANGO/archive'
*.standby_file_management='AUTO'
*.star_transformation_enabled='FALSE'
*.timed_statistics=TRUE
*.undo_management='AUTO'
*.undo_retention=10800
*.undo_tablespace='UNDOTBS1'
*.user_dump_dest='/u28/ora01/MANGO/udump'


STANDBY DATABSE spfile
=================================================


*.background_dump_dest='/u28/ora01/MANGO/log/bdump'
*.compatible='9.2.0'
*.control_files='/u28/ora01/MANGO/controlsep02.ctl'
*.core_dump_dest='/u28/ora01/MANGO/cdump'
*.db_block_size=8192
*.db_cache_size=104857600
*.db_domain=''
*.db_file_multiblock_read_count=16
*.db_name='MANGO'
*.fal_client='MANGO'
*.fal_server='MANGO'
*.fast_start_mttr_target=300
*.hash_join_enabled=TRUE
*.instance_name='MANGO'
*.java_pool_size=78643200
*.job_queue_processes=10
*.large_pool_size=8388608
*.log_archive_dest_1='LOCATION=/u28/ora04/MANGO/archive MANDATORY'
*.log_archive_dest_state_1='enable'
*.log_archive_format='%t_%s.dbf'
*.LOG_ARCHIVE_START=true
*.log_checkpoints_to_alert=TRUE
*.nls_comp='BINARY'
*.nls_date_format='YYYY-MM-DD HH24:MI:SS'
*.nls_sort='BINARY'
*.open_cursors=300
*.optimizer_index_cost_adj=1
*.pga_aggregate_target=25165824
*.processes=150
*.query_rewrite_enabled='TRUE'
*.remote_archive_enable='TRUE'
*.remote_login_passwordfile='exclusive'
*.shared_pool_size=262144000
*.sort_area_size=524288
*.standby_archive_dest='/u28/ora04/MANGO/archive'
*.standby_file_management='AUTO'
*.star_transformation_enabled='FALSE'
*.timed_statistics=TRUE
*.undo_management='AUTO'
*.undo_retention=10800
*.undo_tablespace='UNDOTBS1'
*.user_dump_dest='/u28/ora01/MANGO/udump'