Administrator Guide

Quality of Service (QoS)
The Dell Networking operating software commands for quality of service (QoS) include traffic conditioning and congestion
control.
This chapter contains the following sections:
● Global Configuration Commands
● Per-Port QoS Commands
● Policy-Based QoS Commands
Topics:
• Global Configuration Commands
• Per-Port QoS Commands
• Policy-Based QoS Commands
• DSCP Color Map Commands
Global Configuration Commands
The following QoS commands are enabled globally when configured on your switch.
qos-rate-adjust
Enable QoS rate adjustment to include overhead fields in rate metering calculations.
C9000 Series
Syntax
qos-rate-adjust overhead-bytes-number
Parameters
overhead-bytes-
number
Enter the number of bytes of packet overhead to include in rate limiting, policing,
and shaping calculations. The range is from 1 to 31.
Defaults QoS rate adjustment is disabled by default.
Command Modes
CONFIGURATION
CONFIGURATION TERMINAL BATCH
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.10(0.0) Introduced the Configuration Terminal Batch mode on C9010.
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
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