priority-flow-control

To set the priority-flow-control (PFC) mode for the selected interface, use the priority-flow-control command.

priority-flow-control mode {auto | on}

no priority-flow-control mode {auto | on}

Syntax Description

auto

Negotiates PFC capability.

on

Force-enables PFC.


Command Default

Auto

Command Modes

Interface configuration mode

Command History

Release
Modification

4.0(0)N1(1a)

This command was introduced.

5.0(3)N1(1)

Support for Layer 3 interfaces was added.


Usage Guidelines

You can use this command on the following interfaces:

•Layer 2 interface

•Layer 3 interface


Note Use the no switchport command to configure an interface as a Layer 3 interface.


Examples

This example shows how to force-enable PFC on an interface:

switch# configure terminal 
switch(config)# interface ethernet 1/2 
switch(config-if)# priority-flow-control mode on 
switch(config-if)#

Related Commands

Command
Description

flowcontrol

Sets link-level flow control for the selected interface.

no switchport

Configures an interface as a Layer 3 routed interface.

show interface flowcontrol

Displays the detailed listing of the flow control settings on all interfaces.

show interface priority-flow-control

Displays the priority flow control details for a specified interface.