# interface lag

#### Syntax

[ no ] interface lag interfaceSpecifier

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Creates an IEEE 802.3ad link aggregation group (LAG) interface, also known as a LAG bundle, or a subinterface in a LAG bundle. Link aggregation enables you to group multiple Ethernet physical interfaces configured on the same module and with the same characteristics into a single logical interface. The individual Ethernet interfaces are referred to as member links of the LAG bundle. The no version removes the LAG bundle or subinterface.

#### Options

- interfaceSpecifier—LAG interface specifier; see Interface Types and Specifiers

#### Mode

Global Configuration

#### Related Documentation

- Configuring the Scheduler Hierarchy for Hashed Load Balancing in 802.3ad Link Aggregation Groups
- Configuring the Scheduler Hierarchy for Subscriber Load Balancing in 802.3ad Link Aggregation Groups
- Configuring Load Rebalancing for 802.3ad Link Aggregation Groups