Dcb Stack-Unit All Pfc-Buffering Pfc-Port-Count Pfc-Queues - Dell MXL 10GbE Reference Manual

You can apply a DCB output policy with ETS configuration to all stacked ports in a
switch stack or an individual stacked switch. You can apply different DCB output
policies to different stack units.
Related dcb-policy input stack-unit stack-ports all
Commands policy.

dcb stack-unit all pfc-buffering pfc-port-count pfc-queues

Configure the PFC buffer for all switches in the stack.
Syntax
dcb stack-unit all pfc-buffering pfc-port-count {1-56} pfc-
queues {1-2}
To remove the configuration for the PFC buffer on all switches in the stack, use the
no dcb stack-unit all pfc-buffering pfc-port-count pfc-queues
command.
Parameters
pfc-port-count
{1-56}
pfc-queues
{1-2}
Defaults The PFC buffer is enabled on all ports on the stack unit.
Command CONFIGURATION
Modes
Command
Version 9.2(0.0)
History
Version 8.3.16.1
Usage
If you configure PFC on a 40GbE port, count the 40GbE port as four PFC-enabled
Information
ports in the pfc-port number you enter in the command syntax.
To achieve lossless PFC operation, the PFC port count and queue number used for
the reserved buffer size that is created must be greater than or equal to the buffer
size required for PFC-enabled ports and lossless queues on the switch.
You must reload the stack or a specified stack unit (use the reload command in
EXEC Privilege mode) for the PFC buffer configuration to take effect.
Related dcb stack-unit pfc-buffering pfc-port pfc-queues
Commands all port pipes in a specified stack unit.
PMUX Mode of the MXL 10/40GbE Switch I/O Module
NOTE: Please note that Dell Networking does not recommended to use this
command as it has been deprecated in the current 9.4.(0.0) release. A warning
message appears when you try to run this command indicating that you have
to use the dcb-map commands in the future.
Enter the pfc-port count. The range is 1 to 56.
Enter the pfc-queue number. The range is 1 to 2.
Introduced on the M I/O Aggregator. This command is
supported in Programmable-Mux (PMUX) mode only.
Introduced on the MXL 10/40GbE Switch IO Module.
— applies the specified DCB input
– configures the PFC buffer for
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