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Hierarchy Level

Release Information

Statement introduced in Junos OS Release 11.1.


Configure the switch to forward all unknown unicast packets in a VLAN or on all VLANs to a particular interface.


Before you can configure unknown unicast forwarding within a VLAN, you must first configure that VLAN.

The remaining statements are explained separately. See CLI Explorer.


Unknown unicast packets are flooded to all interfaces that belong to the same VLAN.

Required Privilege Level

routing—To view this statement in the configuration.

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