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Hierarchy Level


Specify the percentage of CPU utilization that is always available for a logical system. The available CPU space percentage value is configured in a security profile that is bound to a logical system.

Only the primary administrator can create security profiles and bind them to logical systems.


The cpu-control option at the [edit system security-profile resources] hierarchy level must be specified for the reserved value to take effect.


reserved percent—A reserved quota that guarantees that the percentage of CPU specified is always available to the logical system.

  • Range: 0 through 100 percent (decimal point allowed).

  • Default: 1 percent for the primary logical system and 0 percent for user logical systems.


The primary logical system must not be bound to a security profile that is configured with a 0 percent reserved CPU quota as traffic loss could occur.

Required Privilege Level

system—To view this statement in the configuration.

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

Release Information

Statement introduced in Junos OS Release 11.4.