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The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
Usage
Information
After you configure a unicast queue as strict-priority, that particular queue, on the
entire chassis, is treated as a strict-priority queue. Traffic for a strict priority
is scheduled before any other queues are serviced. For example, if you send 100%
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.
1466
Quality of Service (QoS)