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Dell EMC SmartFabric OS10 User Guide Release 10.5.1

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priority-flow-control

Enables PFC on ingress interfaces.

Syntax
priority-flow-control {mode on}
Parameter
mode on — Enable PFC for FCoE and iSCSI traffic on an interface without enabling DCBX.
Default
Disabled
Command Mode
INTERFACE
Usage Information
Before you enable PFC, apply a network-qos policy-class map with the specific PFC dot1p priority values to the interface. In the PFC network-qos policy-class map, use the default buffer-size values if you are not sure about the pause-threshold and resume-threshold settings that you want to use. You cannot enable PFC and LLFC simultaneously on an interface. The no version of this command disables PFC on an interface. When you disable PFC, delete the PFC network-qos policy-class map applied to the interface.
Example 
OS10(conf-if-eth1/1/1)# priority-flow-control mode on
Supported Releases
10.3.0E or later

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