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Configuring a Layer 3 Logical Interface
QFX Series systems use Layer 3 logical interfaces to divide a physical interface into multiple logical interfaces, each corresponding to a VLAN. Layer 3 logical interfaces route traffic between subnets.
To configure Layer 3 logical interfaces, enable VLAN tagging and partition one or more physical ports into multiple logical interfaces, each corresponding to a VLAN ID.
Before you begin, make sure you set up your VLANs. See Configuring VLANs.
To configure Layer 3 logical interfaces:
- Enable VLAN tagging:
[edit interfaces interface-name]
user@switch# set vlan-tagging - Bind each VLAN ID to a logical interface:
[edit interfaces interface-name]
user@switch# set unit logical-unit-number vlan-id vlan-id-number
