Switch User Manual

Ethernet Configuration Commands 123
• 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 g5 to force full duplex
operation.
negotiation
The negotiation Interface Configuration mode command enables auto-negotiation operation for
the speed and duplex parameters of a given interface. To disable negotiation, use the
no form of
this command.
Syntax
negotiation
no negotiation
Default Configuration
auto-negotiation
Command Mode
Interface Configuration (Ethernet, port-channel) mode
User Guidelines
• Turning off auto-negotiation on an aggregate link may, under some circumstances, make it
non-operational. If the other side has auto-negotiation turned on, it may re-synchronize all
members of the aggregated link to half-duplex operation, and may, as per the standards, set
them all inactive.
Example
The following example enables autonegotiation on Ethernet g5.
flowcontrol
The flowcontrol Interface Configuration mode command configures the Flow Control on a given
interface. To restore the default, use the
no form of this command.
Console(config)# interface ethernet g5
Console(config-if)# duplex full
Console(config)# interface ethernet g5
Console(config-if)# negotiation