Brocade Network OS Command Reference v4.1.0 - Manual (Page 617)

Network OS Command Reference 579
53-1003115-01
qos flowcontrol pfc
2
qos flowcontrol pfc
Activates and configures flow control for a Class of Service (CoS).
Synopsis qos flowcontrol pfc cos_value tx [on | off] rx [on | off]
no qos flowcontrol pfc cos_value
Operands cos_value The CoS value.
tx [on | off] Activates or deactivates the transmission portion of flow control.
rx [on | off] Activates the receiving portion of flow control.
Defaults None
Command Modes Interface subtype configuration mode
Description Use this command to activate and configure flow control for a Class of Service.
Usage Guidelines In Brocade VCS Fabric mode, this command:
• Only takes effect on the interface. In order to have PFC functionality through the Brocade
VCS Fabric cluster, use the CEE map configuration.
• Only affects per-interface pause behavior. To use flow control in Brocade VCS Fabric
mode, use the CEE map configuration.
Enter no qos flowcontrol pfc cos_value to deactivate CoS flow control on a specific interface.
Examples To activate both the transmitting and receiving portions of a Class of Service (with a value of 7 in
this example) flow control on a specific 40-gigabit Ethernet interface:
switch(config)# interface fortygigabitethernet 1/3/1
switch(conf-fo-1/3/1)# qos flowcontrol pfc 7 tx on rx on
To deactivate both the transmitting and receiving portions of a Class of Service (with a value of 4
in this example) flow control on a specific port-channel interface:
switch(config)# interface port-channel 33
switch(config-port-channel-33)# no flowcontrol pfc 4
See Also interface