Result cache seems to be disabled

Oracle 11.2.0.2 on Linux

It seems that the result cache option is disabled but the init.ora parameters seem to be OK

NAME                                 TYPE                             VALUE

------------------------------------ -------------------------------- ------------------------------

client_result_cache_lag              big integer                      3000

client_result_cache_size             big integer                      0

result_cache_max_result              integer                          5

result_cache_max_size                big integer                      125856K

result_cache_mode                    string                           MANUAL

result_cache_remote_expiration       integer                          0

SQL> EXECUTE  DBMS_RESULT_CACHE.MEMORY_REPORT;

R e s u l t   C a c h e   M e m o r y   R e p o r t

Cache is disabled.

SQL> select *

  2   from  V$RESULT_CACHE_OBJECTS;