Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?




Hierarchy Level


Configure data cores. Any cores not configured as either data or control cores are treated as user cores. When the number of data cores is changed, the PIC reboots.


data-number—Number of data cores. Although it is not mandatory to dedicate any cores as data cores, it is advisable, depending on the nature of the application, to dedicate a minimum of five as data cores to achieve good performance.

  • Range: 0 through 7

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 9.0.