Users Guide
When changing a Service-Queue conguration in a QoS policy map, all QoS rules are deleted and re-added 
automatically to ensure that the order of the rules is maintained. As a result, the Matched Packets value 
shown in the show qos statistics command is reset.
Related Commands rate police — incoming trac policing function.
qos-policy-output
Create a QoS output policy.
S4820T 
Syntax
qos-policy-output qos-policy-name
To remove an existing output QoS policy, use the no qos-policy-output qos-policy-name 
command.
Parameters
qos-policy-name Enter your output QoS policy name in character format (32 characters maximum).
Defaults none
Command Modes CONFIGURATION
Command History
This guide is platform-specic. 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
9.7(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
Use this command to specify the name of the output QoS policy. Once output policy is specied, rate-
shape, scheduler strict, bandwidth-percentage, and WRED can be dened. This command enables the qos-
policy-output conguration mode—(conf-qos-policy-out).
Related Commands
bandwidth-percentage — assigns percentage of bandwidth to the class/queue.
wred — assigns yellow or green drop precedence.
queue egress
Assign a WRED Curve to all eight egress Multicast queues or designate the percentage for the Multicast bandwidth queue.
Syntax
queue egress multicast linecard {slot number port-set number | all} [wred-
profile name | multicast-bandwidth percentage]
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Quality of Service (QoS)










