Switching Commands
©2008 Allied Telesis Inc. All rights reserved.
Software Version 5.2.1
AlliedWare Plus
TM
Operating System Software Reference C613-50003-00 REV E
15.5
duplex
This command changes the duplex mode for the specified port.
By default, ports auto-negotiate duplex mode (except for 100Base-FX ports which do not
support auto-negotiation, so default to full duplex mode).
To see the currently-negotiated duplex mode for ports whose links are up, use the command
show interface
. To see the configured duplex mode (when different from the default), use the
command
show running-config
.
Syntax
duplex {auto|full|half}
Mode
Interface mode
Usage
Switch ports in a static or dynamic (LACP) channel group must have the same port speed and
be in full duplex mode. Once switch ports have been aggregated into a channel group, you can
set the duplex mode of all the switch ports in the channel group by applying this command to
the channel group.
Examples
To specify full duplex, enter the command:
awplus(config-if)#
duplex full
To specify half duplex, enter the command:
awplus(config-if)#
duplex half
To auto-negotiate duplex mode, enter the command:
awplus(config-if)#
duplex auto
Related Commands
speed
show interface
Parameter
Description
auto
Auto-negotiate duplex mode
full
Operate in full duplex mode only
half
Operate in half duplex mode only