Data Center Bridging Commands 305
priority-flow-control mode on
Use the priority-flow-control mode on command in Datacenter-Bridging
mode to enable Priority-Flow-Control (PFC) on an interface. To disable
Priority-Flow-Control, use the no form of the command.
Syntax
priority-flow-control mode on
no priority-flow-control mode
Default Configuration
Priority-flow-control mode is disabled by default.
Command Mode
Datacenter-Bridging mode
User Guidelines
• When you disable priority-flow-control, the interface will default to the
802.3x flow control setting for the interface.
• When enabling PFC, the interface will not pause until there is at least one
no-drop priority.
Example
The following example enables PFC.
console(config-if-dcb)#priority-flow-control mode on
priority-flow-control priority
Use the priority-flow-control priority command in Datacenter-Bridging
mode to enable the priority group for lossless behavior (PFC enabled). To
enable lossy behavior, use the drop form of the pause command.
Syntax
priority-flow-control priority
priority-id
{drop | no-drop}
•
priority-id
—
Specify a value from 0 to 7.
2CSPC4.XModular-SWUM200.book Page 305 Thursday, March 10, 2011 11:18 AM
