Setup Guide

Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S6100-ON.
9.8(1.0) Introduced on the Z9100-ON.
9.9(0.0) Introduced on the Z9500, S4810, S4820T, S5000, and S4048–ON.
9.7(0.0) Introduced on the S6000-ON.
9.3(0.0) Introduced on the S6000.
Usage
Information
You can configure all the data queues. You can configure queues 0-7.
The following table describes the mapping between the threshold weight of the shared buffer on the
queue. It also shows the percentage of the available shared buffer used by the queues for each of the
corresponding threshold weights of the shared buffer:
shared-
threshold-
weight on the
queue
% of available shared buffer that can be consumed by the
queue
0 No dynamic sharing; shared buffer = 0.
1 0.77%
2 1.54%
3 3.03%
4 5.88%
5 11.11%
6 20%
7 33.33%
8 50%
9 66.67%
10 80%
11 88.89%
Example
dcb pfc-queues
Configure the number of PFC queues.
Syntax
dcb pfc-queues value
Parameters
value Enter the number of PFC queues in the range of 0 through 4. The number of ports
supported based on lossless queues configured will depend on the buffer.
Default The default number of PFC queues in the system is 2 for S4810 and 1 for S6000 platforms.
Command Modes CONFIGURATION mode
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
EMC Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
Data Center Bridging (DCB) 471