FLDTAB start option

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   .-FLDTAB--=--ISTMSFLD-------.   
>>-+---------------------------+-------------------------------><
   '-FLDTAB--=--+-table_name-+-'   
                '-NONE-------'     

Specifies whether VTAM® uses a message-flooding prevention table to suppress duplicate messages.
FLDTAB=ISTMSFLD
Indicates that VTAM uses the internal message flooding table.
FLDTAB=NONE
Indicates that VTAM will not suppress duplicate messages that are sent to the operator console or system hardcopy log.
FLDTAB=table_name
Indicates that VTAM uses a user-specified message-flooding prevention table to determine which duplicate messages are to be suppressed. table_name is the 1–8 character name of the table stored in the VTAM definition library.

If an attempt to load the specified table fails, VTAM issues an error message and uses the VTAM internal table.

If you specify ISTMSFLD as the table name, VTAM will use the IBM-supplied table located in the VTAM definition library.