Usage
Information
Use the show qos dcb-map command to display the enhanced transmission
selection (ETS) and priority-based flow control (PFC) parameters used to configure
server-facing Ethernet ports. S5000 Ethernet ports are DCBx-enabled by default.
The following table describes the show qos dcb-map output shown in the
example below.
Field Description
State Complete: All mandatory DCB parameters are correctly
configured. In progress: The DCB map configuration is not
complete. Some mandatory parameters are not configured.
PFC Mode PFC configuration in DCB map: On (enabled) or Off.
PG Priority group configured in the DCB map.
TSA Transmission scheduling algorithm used by the priority
group: Enhanced Transmission Selection (ETS).
BW Percentage of bandwidth allocated to the priority group.
PFC PFC setting for the priority group: On (enabled) or Off.
Priorities 802.1p priorities configured in the priority group.
Example
Dell# show qos dcb-map dcbmap2
State :Complete
PfcMode:ON
--------------------
PG:0 TSA:ETS BW:50 PFC:OFF
Priorities:0 1 2 4 5 6 7
PG:1 TSA:ETS BW:50 PFC:ON
Priorities:3
Applying a DCB Map in a Switch Stack
Apply the same DCB map with PFC and ETS configuration to all stacked ports in a switch stack. You
cannot apply different DCB maps to different stacked switches. This functionality is supported on the
platform.
To remove all PFC and ETS settings applied to stacked ports from the DCB map and reset PFC and ETS to
their default settings, use the no dcb-map stack-unit all command.
Task Command Command Mode
Apply the specified DCB map on all
ports of the switch stack.
dcb-map stack-unit all
stack-ports all dcb-map-
name
CONFIGURATION
Data Center Bridging (DCB)
577
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