Service Manual

Field Description
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
dcb pfc-shared-buffer-size
Configure the maximum amount of shared buffer size for PFC packets in kilobytes.
Syntax
dcb pfc-shared—buffer—size KB
Parameters
KB Enter a number in the range of 0 to7787.
Default The default is 832KB.
Command Modes CONFIGURATION mode
Command History
This guide is platform-specific. For command information about other platforms, see
the relevant Dell Networking OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0) Introduced on the S4048-ON.
9.7(0.0) Introduced on the S6000-ON and Z9500.
9.6(0.0) Introduced on the S5000.
9.3(0.0) Introduced on the S4810, S4820T, and S6000 platforms.
Usage Information Configure the maximum shared buffer available for PFC traffic. You can choose to
increase or decrease the shared buffer that is allocated in the system by default.
Configure the shared buffer size less than the total PFC buffer size. If the buffer size and
Data Center Bridging (DCB) 634