# interface gigabitEthernet

#### Syntax

[ no ] interface gigabitEthernet interfaceSpecifier

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Specifies or creates a Gigabit Ethernet interface or a subinterface over a Gigabit Ethernet interface. The no version removes the interface or subinterface.

| Note: On the GE I/O module, you can configure only the primary port, 0. The router automatically uses the redundant port, 0R, if the primary port fails. On the GE-2 APS I/O module, you can configure only the primary ports, 0 and 1. The router automatically uses the corresponding redundant port, 0R or 1R, if the primary port fails. On the OC3-2 GE APS I/O module, you can configure only a Gigabit Ethernet interface in port 2. Ports 0 and 1 are reserved for OC3/STM1 ATM interfaces. On the ES-2 GE-4 IOA, you can configure all four ports.

#### Options

- interfaceSpecifier—Particular interface; format varies according to interface type; see Interface Types and Specifiers

#### Mode

Global Configuration

#### Related Documentation

- Configuring the QoS Shaping Mode for Ethernet Interfaces
- Creating a QoS Interface Hierarchy for Bulk-Configured VLAN Subinterfaces with RADIUS
- Configuring a Parameter Definition to Shape Ethernet Traffic Using Cell Mode