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vlan (Unknown Unicast Forwarding)


Hierarchy Level


Specify a VLAN from which unknown unicast packets will be forwarded or specify that the packets will be forwarded from all VLANS. Unknown unicast packets are forwarded from a VLAN to a specific trunk interface.

The interface statement is explained separately.


To display a list of all configured VLANs on the system, including VLANs that are configured but not committed, type ? after vlan or vlans in your configuration mode command line. Note that only one VLAN is displayed for a VLAN range.


all—All VLANs.

vlan-name—Name of a VLAN.

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 9.3.

Statement updated with enhanced ? (CLI completion feature) functionality in Junos OS Release 9.5 for EX Series switches.