Huawei Quidway S3500 Series User Manual

Operation Manual - QoS/ACL
Quidway S3500 Series Ethernet Switches Chapter 2 QoS Configuration
Huawei Technologies Proprietary
2-27
Before configuring drop algorithm, you need configure the WRED parameters of the
output queues.
I. Configuring WRED
The system provides four default sets of WRED parameters identified by the index
number 0, 1, 2, and 3. Each WRED parameter set specifies 80 parameter values, ten
for each output queue on a port. You may change the WRED parameters represented
by the current WRED index using the queue command described in the following table.
You may use the commands in the following table to configure WRED parameters.
Perform the following configurations beginning with accessing system view.
Table 2-38 Configuring WRED parameters
Operation Command
Access WRED index view from system
view.
wred wred-index
Restore the default WRED setting in
system view.
undo wred wred-index
Set WRED parameter values in WRED
index view.
queue queue-id green-min-threshhold
green-max-threshhold green-max-prob
yellow-min-threshhold
yellow-max-threshhold yellow-max-prob
red-min-threshhold red-max-threshhold
red-max-prob exponent
Restore the default WRED setting in
WRED index view.
undo queue queue-id
Exit from WRED index view.
quit
Using the undo wred command, you can restore the default WRED parameter settings
of all the queues in the corresponding conform-level. Using the undo queue command,
you can restore the default WRED parameter settings relevant to a queue.
By default, the system provides four default sets of WRED parameters.
For more information about the commands described in this section, refer to Command
Manual.
II. Configuring the drop algorithm
You may configure drop algorithm using the drop-mode command described in the
following table.
Perform the following configuration in Ethernet interface view.

Huawei Quidway S3500 Series Specifications

General

Brand	Huawei
Model	Quidway S3500 Series
Category	Network Router
Language	English