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Hierarchy Level


Configure the size of the forwarding database (FDB). When this setting is changed, the PIC reboots.


You need to enable the forwarding-options sampling statement for the FDB to be created.


size—Size of the FDB, in megabytes (MB). The size of the FDB and the size of the policy database together must be smaller than the size of the object cache.

  • Range: 0 through 12879 MB

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 9.2.