Reference Guide

QoS Commands 695
random-detect exponential-weighting-constant
Use the random-detect exponential-weighting-constant command to
configure the decay in the calculation of the average queue size user for
WRED on an interface or all interfaces.
Syntax
random-detect exponential-weighting-constant 0-15
no random-detect exponential-weighting-constant
• 0–15 — The weighting constant is used to smooth the calculation of the
queue size using the following formula where the 0-15 value is N.
Default Configuration
The default value is 15.
Command Mode
Global Config mode, Interface Config mode (physical and port-channel),
Interface Range mode
User Guidelines
To use the instantaneous queue size in the calculation of WRED drops, set
the weighting constant to 0. Larger values of N reduce the effect of
instantaneous changes. To update the current queue size to ½ the difference
between the previous size and the current instantaneous queue size, set the
weighting constant to 1. To update the current queue size to 1/4 the
difference between the previous size and the current instantaneous queue
size, set the weighting constant to 2, ....
redirect
Use the redirect command in Policy-Class-Map Configuration mode to
specify that all incoming packets for the associated traffic stream are
redirected to a specific egress interface (physical port or port-channel).
Syntax
redirect interface
2CSPC4.XModular-SWUM204.book Page 695 Friday, March 15, 2013 9:24 AM