duplex

Last Updated : Aug 28, 2026 |
Controls the duplex setting for the current interface.
Prolog information
Metadata
Keywords:
Note:
This command functions only in no autoneg mode.

Syntax

duplex {full|half}

Parameters

Parameter
Description
Possible Values
Default Value
full
Keyword indicating that the interface is set to full duplex
half
Keyword indicating that the interface is set to half duplex

User level

read-only

Context

interface:FastEthernet (L2, L2-L3)

Example

To specify full duplex for the FastEthernet interface:
Gxxx-001(super-if:FastEthernet 1.1)# duplex full