D-Link DXS-3600 Series Reference Manual page 902

DXS-3600 Series Layer 3 Managed 10Gigabit Ethernet Switch CLI Reference Guide
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Switch#
Display Parameters
PFC Cap
Oper PFC On Priorities
PFC Capability: Specifies the device's limitation of how many traffic
classes may simultaneously be supported by PFC.
The CoS list that the operational PFC is on. Empty means there is no
CoS on which the operational PFC is on at the interface.
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Off 0 0