Users Guide

Default The default threshold weight on the shared buffer for each queue is 9. Therefore, each queue can
consume up to 66.67 percent of available shared buffer by default.
Command Modes INTERFACE 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
9.10(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
test cam-usage
Check the Input Policy Map configuration for the CAM usage.
Syntax
test cam-usage service-policy input policy-map stack-unit {[number port-set
portpipe number] | [all]}
Parameters
policy-map Enter the policy map name.
stack-
unit number
(OPTIONAL) Enter the keyword stack-unit then the stack-unit slot number.
1084 Quality of Service (QoS)