Reference Guide

line rate traffic over the SP queue, it starves all other queues on the ports on which
this traffic is flowing.
Policy-Based QoS Commands
Policy-based traffic classification is handled with class maps. These maps classify unicast traffic into one
of eight classes in S-Series or eight classes in case of S6000. Dell Networking OS enables you to match
multiple class maps and specify multiple match criteria. Policy-based QoS is not supported on logical
interfaces, such as port-channels, VLANS, or loopbacks.
bandwidth-percentage
Assign a percentage of weight to the class/queue.
S4820T
Syntax
bandwidth-percentage percentage
To remove the bandwidth percentage, use the no bandwidth-percentage
command.
Parameters
percentage Enter the percentage assignment of bandwidth to the class/
queue. The range is from 1 to 100% (granularity 1%).
Defaults none
Command
Modes
CONFIGURATION (conf-qos-policy-out)
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 9.0.2.0 Introduced on the S6000.
Version
8.3.1.9.0
Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 6.2.1.1 Introduced on the E-Series.
Usage
Information
The unit of bandwidth percentage is 1%. If the sum of the bandwidth percentages
given to all eight classes exceeds 100%, the bandwidth percentage automatically
scales down to 100%.
1340
Quality of Service (QoS)