R2511-HP MSR Router Series ACL and QoS Configuration Guide(V5)

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Configuring WFQ
To configure WFQ:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Create a traffic behavior and
enter traffic behavior view.
traffic behavior behavior-name
The specified traffic behavior name
cannot be the name of any
system-defined behavior.
3. Configure WFQ.
queue wfq [ queue-number
total-queue-number ]
N/A
You can associate the traffic behavior that contains a WFQ action only with the default class.
Configuring the maximum queue size
Configure the maximum queue size and use tail drop.
To configure the maximum queue size:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Create a traffic behavior and
enter traffic behavior view.
traffic behavior behavior-name
The specified traffic behavior name
cannot be the name of any
system-defined behavior.
3. Set the maximum queue size.
queue-length queue-length N/A
Check that the queue af command or the queue wfq command has been configured before you
configure the queue-length command. Executing the undo queue af command or the undo queue wfq
command cancels also the queue-length command.
Enabling WRED
When you enable WRED, follow these guidelines:
• Before enabling WRED, configure the queue af command or queue wfq command.
• The wred command and the queue-length command are mutually exclusive.
• When WRED is disabled, other WRED configurations under it are deleted.
• The WRED configuration in QoS policies overrides the WRED configuration directly configured on
interfaces.
To use WRED drop:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Create a traffic
behavior and enter
traffic behavior view.
traffic behavior
behavior-name
The specified traffic behavior name cannot be
the name of any system-defined behavior.