Command Line Interface Guide

658 QoS Commands
Default Configuration
WRED queue management policy is disabled by default. Tail-drop queue
management policy is enabled by default.
Command Mode
Interface Configuration (physical or port-channel) mode or Global
Configuration mode
User Guidelines
When used on a port-channel, this command will override the settings on the
individual interfaces that are part of the port channel.
This command can be used in Interface Range mode.
Use the
cos-queue min-bandwidth command to configure the minimum
bandwidth percentage for the CoS queues.
Use the
show interfaces random-detect command to display the WRED
configuration.
Example
Enable WRED on the default CoS queue for unmarked packets and set the
green, yellow, red and non-TCP packet thresholds to utilize WRED at 98% of
port bandwidth with a drop probability of 1%.
console(config)# cos-queue random-detect 1
console(config)# random-detect queue-parms 1 min-
thresh 98 98 98 98 max-thresh 100 100 100 100 drop-
prob-scale 1 1 1 1
cos-queue strict
Use the cos-queue strict command in either Global Configuration mode or
Interface Configuration mode to activate the strict priority scheduler mode
for each specified queue. To restore the default weighted scheduler mode for
each specified queue, use the no form of this command.
Syntax
cos-queue strict { queue-id-1 } [{ queue-id-2 } … { queue-id-n }]
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