How to list backups of the primary database from the standby through the recovery catalog

 Hello.

I have a primary database and physical standby database.

How can I list the backups of the primary database from the standby database through an rman recovey catalog connection.

Right now, If I issue the "list backup of database" command connecting to the recovery catalog from the standby database I I only get the list of backups of the standby database.

This is current database configuration

RMAN> list db_unique_name of database;

List of Databases

DB Key  DB Name  DB ID            Database Role    Db_unique_name

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

64519   ORCL    1849527904       PRIMARY          ORCL              

64519   ORCL    1849527904       STANDBY         ORCLDG             

RMAN> exit