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Cisco ME 3800X and ME 3600X Switch Command Reference
OL-28238-01
Chapter 2 Cisco ME 3800X and ME 3600X Switch Cisco IOS Commands
random-detect cos-based
random-detect cos-based
To enable weighted random early detection (WRED) on the basis of the class of service (CoS) value of
a packet, use the random-detect cos-based command in policy-map class configuration mode. To
disable WRED, use the no form of this command.
random-detect cos-based cos-value
no random-detect cos-based
Syntax Description
Command Default When WRED is configured, the default minimum and maximum thresholds are determined on the basis
of output buffering capacity and the transmission speed for the interface.
The default mark probability denominator is 10.
Command Modes Policy-map class configuration (config-pmap-c)
Command History
Examples In the following example, WRED is configured on the basis of the CoS value. In this configuration, the
random-detect cos-based command has been configured and a CoS value of 2 has been specified.
Switch> enable
Switch# configure terminal
Switch(config)# policy-map policymap1
Switch(config-pmap)# class class1
Switch(config-pmap-c)# random-detect cos-based 2
Switch(config-pmap-c)# end
Related Commands
cos-value Specific IEEE 802.1Q CoS values from 0 to 7.
Release Modification
15.1(2)EY This command was introduced.
Command Description
random-detect cos Specifies the CoS value of a packet, the minimum and maximum thresholds,
and the maximum probability denominator used for enabling WRED.
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