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Parameters
pfc-queues Enter the pfc-queue range. To disable DCB, use the no dcb enable command. The
range is from 1 to 4.
Defaults The default is 2
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the Z9500.
Usage
Information
By default, iSCSI is enabled on the unit and the flow control is enabled on all of the interfaces. It is also
acts as defaults when the link-level flow control is enabled on one or more interfaces. To enable DCB, do
one of the following:
● Apply the dcb-map command with the no pfc-mode command on to all the interfaces.
● Disable flow-control on all of the interfaces.
PFC Commands
The following PFC commands are supported on the Z9500 platform.
clear pfc counters
Clear the PFC TLV counters and PFC statistics on an interface or linecard.
Syntax
clear pfc counters [port-type slot/port | linecard {unit number | all } all
backplane all}]
Parameters
port-type Enter the keywords port-type then the slot/port information.
linecard unit
number
Enter the keyword linecard to clear the linecard number.
all backplane all Enter the keywords all backplane all to clear the counters on all interfaces.
Defaults none
Command Modes EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the Z9500.
Usage
Information
If you do not use the statistics parameter, both hardware and DCBx counters clear.
500 Data Center Bridging (DCB)