1832 CHAPTER 115: CBQ CONFIGURATION COMMANDS

The configuration of drop parameters gets invalid if the configuration of the queue af command or the queue wfq command is cancelled.

Related commands: qos policy, traffic behavior, classifier behavior.

Examples # Set lower-limit to 20, upper-limit to 40 and discard probability to 15 for the packet with the precedence 3.

<Sysname> system-view

[Sysname] traffic behavior database [Sysname-behavior-database] queue wfq

[Sysname-behavior-database] wred ip-precedence

[Sysname-behavior-database] wred ip-precedence 3 low-limit 20 high-l imit 40 discard-probability 15

wred weighting-constant

Syntax wred weighting-constant exponent

undo wred weighting-constant

View Traffic behavior view

Parameters exponent: Exponential, in the range 1 to 16. It is 9 by default.

Description Use the wred weighting-constantcommand to set exponential for the calculation of average queue length by WRED.

Use the undo wred weighting-constantcommand to delete the configuration.

This command can be used only after the queue af command or the queue wfq command has been configured and the wred command has been used to enable WRED drop mode.

The configuration of wred weighting-constantwill be deleted if wred is deleted.

Related commands: qos policy, traffic behavior, classifier behavior.

Examples # Configure exponential for calculating average queue length to 6.

<Sysname> system-view

[Sysname] traffic behavior database [Sysname-behavior-database] queue af bandwidth 200

[Sysname-behavior-database] wred ip-precedence

[Sysname-behavior-database] wred weighting-constant 6

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3Com MSR 30, MSR 50 manual Wred weighting-constant