Users Guide

Usage Information
Use the show qos dcb-map command to display the enhanced transmission selection (ETS) and priority-
based ow control (PFC) parameters used to congure 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 congured. In progress: The
DCB map conguration is not complete. Some mandatory parameters are not
congured.
PFC Mode PFC conguration in DCB map: On (enabled) or O.
PG Priority group congured 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 O.
Priorities 802.1p priorities congured 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
dcb pfc-shared-buer-size
Congure the maximum amount of shared buer size for PFC packets in kilobytes.
Syntax
dcb pfc-shared—buffer—size KB
Parameters
KB Enter a number in the range of 0 to 7787.
Default The default is 832KB.
Command Modes CONFIGURATION mode
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.8(0.0) Introduced on the S4048-ON.
9.7(0.0) Introduced on the S6000-ON and Z9500.
Data Center Bridging (DCB)
519