Syntax
flowcontrol {auto | on | off}
no flowcontrol
•
auto—Enables auto-negotiation of Flow Control.
•
on—Enables Flow Control.
•
off—Disables Flow Control.
Default Configuration
Flow Control is off.
Command Mode
Interface configuration (Ethernet, port-channel) mode
User Guidelines
•
Flow Control will operate only if duplex mode is set to FULL. Back Pressure will operate only
if duplex mode is set to HALF.
•
When Flow Control is ON, the head-of-line-blocking mechanism of this port is disabled.
•
If a link is set to NOT use auto-negotiation, the other side of the link must also be configured
to not use auto-negotiation.
•
To select auto, ensure negotiation for Flow Control is enabled.
Example
In the following example, Flow Control is enabled on g5.
Console(config)# interface ethernet g5
Console(config-if)# flowcontrol on
mdix
The mdix Interface Configuration mode command enables automatic crossover on a given
interface. To disable automatic crossover, use the no form of this command.
Syntax
mdix {on | auto}
no mdix
•
on—Manual mdix
•
auto—Auto mdi/mdix
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Ethernet Configuration Commands