Reference Guide

random-detect ecn
Enables Explicit Congestion Notification (ECN) for the system globally.
Syntax
random-detect ecn
Default Not configured
Command Mode SYSTEM QOS
Usage
Information
The no version of this command disables ECN globally.
NOTE: The function of this command to enable ECN globally is supported only on the S4200
platform. In the SYSTEM QOS mode, this command is not available on other platforms. Also, for
S4200, ECN can be configured only per queue; you cannot configure ECN on an interface or a service
pool.
Example
applicableOS10(config)# system-qos
OS10(config-sys-qos)# random-detect ecn
Supported
Releases
10.4.1.0 or later
random-detect pool
Assigns a WRED profile to the specified global buffer pool.
Syntax
random-detect pool pool-value wred-profile-name
Parameters
● pool-value — Enter the pool value (0 to 1).
● wred-profile-name — Enter the name of an existing WRED profile.
Default Not configured
Command Mode SYSTEM-QOS
Usage
Information
The no version of this command removes the WRED profile from the interface.
Example
OS10(config)# system qos
OS10(config-sys-qos)# random-detect pool 0 test_wred
Supported
Releases
10.4.0E(R1) or later
random-detect weight
Configures the exponential weight value used to calculate the average queue depth for the WRED profile.
Syntax
random-detect weight weight-value
Parameters weight-value — Enter a value for the weight (1 to 15).
Default Not configured
Command Mode WRED CONFIGURATION
Usage
Information
The no version of this command removes the weight factor from the WRED profile.
Example
OS10(config)# wred test_wred
OS10(config-wred)# random-detect weight 10
Quality of service 661