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Junos CLI Reference
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l3-interface (VLAN)

date_range 02-May-24

Syntax

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l3-interface (vlan logical-interface-number | irb logical-interface-number);
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l3-interface l3-interface-name logical-interface-number {
    l3-interface-ingress-counting; 
}
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l3-interface interface-name-logical-unit-number;

Hierarchy Level

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[edit vlans vlan-name]
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[edit interfaces ge-chassis/slot/port unit logical-unit-number                 family ethernet-switching]
[edit vlans vlan-name]

Description

Associate a Layer 3 interface with the VLAN. Configure Layer 3 interfaces on trunk ports to allow the interface to transfer traffic between VLANs. Within a VLAN, traffic is bridged, while across VLANs, traffic is routed. Because traffic between VLANs must be routed, a common Layer 3 interface is required.

Default

No Layer 3 (routing) interface is associated with the VLAN.

Options

interface-namelogical-unit-number—Name of a logical interface.

vlan.logical-interface-number—Number of the logical interface. Use the unit number that you used when you created the vlan interface with a set interfaces (QFX Series) vlan unit statement.

Note:

Use this statement with versions of Junos OS that do not support Enhanced Layer 2 Software (ELS).

irb.logical-interface-number—Logical interface defined with a set interfaces (QFX Series) irb statement.

Note:

Use this statement with versions of Junos OS that support Enhanced Layer 2 Software (ELS).

Required Privilege Level

routing—To view this statement in the configuration.

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

Release Information

Statement introduced in Junos OS Release 9.0.

[edit vlans vlan-name] hierarchy level introduced in Junos OS Release 12.3R2 for EX Series switches and MX Series routers.

irb option introduced in Junos OS Release 13.2 for the QFX Series.

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