F Commands

This chapter describes the Cisco NX-OS quality of service (QoS) commands that begin with F.

flowcontrol

To enable IEEE 802.3x link-level flow control for the selected interface, use the flowcontrol command.

flowcontrol [receive {on | off}] [send {on | off}]

Syntax Description

receive

(Optional) Sets flow control in the receive direction.

off

Disables flow control traffic on an interface.

on

Enables flow control traffic on an interface.

send

(Optional) Sets flow control in the send direction.


Command Default

None

Command Modes

Interface configuration mode

Command History

Release
Modification

5.2(1)N1(1)

This command was introduced.


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 enable flow control for traffic received on an interface: 

switch# configure terminal

switch(config)# interface ethernet 1/2

switch(config-if)# flowcontrol receive on

 
   
 
    
   
 Related Commands
 
   
 
    
 
      
      
      
 
        
        

          Command 
        
 		 
        
        

          Description 
        
 		 
      
 
      
 
       
 no switchport 
 		 
       
 Configures an interface as a Layer 3 routed interface. 
 		 
      
 
      
 
       
 priority-flow-control 
 		 
       
 Sets the PFC mode for the selected interface. 
 		 
      
 
      
 
       
 show interface flowcontrol 
 		 
       
 Displays the detailed listing of the flow control settings on all interfaces.