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duplex 81
duplex The duplex Interface Configuration (Ethernet) mode command
configures the full/half duplex operation of a given Ethernet interface
when not using auto-negotiation. To restore the default configuration,
use the no form of this command.
Syntax
duplex {half | full}
Parameters
■ no duplex
■ half — Forces half-duplex operation
■ full — Forces full-duplex operation
Default Configuration
The interface is set to full duplex.
Command Mode
Interface Configuration (Ethernet) mode
User Guidelines
When configuring a particular duplex mode on the port operating at
10/100 Mbps, disable the auto-negotiation on that port.
Half duplex mode can be set only for ports operating at 10 Mbps or 100
Mbps.
Example
The following example configures the duplex operation of Ethernet port
g1 to full duplex operation.
negotiation The negotiation Interface Configuration (Ethernet, port-channel) mode
command enables auto-negotiation operation for the speed and duplex
parameters of a given interface. To disable auto-negotiation, use the no
form of this command.
Console(config)#
interface ethernet g
1
Console(config-if)#
duplex full