RE: Need Explanation on WRED

From: Steven Hodgson (steven.hodgson@inxi.com)
Date: Thu Jan 10 2008 - 03:25:05 ARST


You don't really have an average queue length. You have a 3 areas that
traffic can fall into:

1. under the min-threshold - traffic is safe
2. between the min threshold and max-threshold - traffic may be dropped
according to mark-prob-denom
3. over the max-threshold - traffic will be dropped

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
abdul muhammed
Sent: Wednesday, January 09, 2008 3:38 AM
To: Cisco certification
Subject: Need Explanation on WRED

Hi,

in configuring WRED using Random-detect interface command based on IP
precedence where the Precedence, Min-threshold, Max-threshold and
Mark-prob--denominator parameters are deployed.

1. what does my average queue length represent:

2. why should packet be drop when my average queue lenght equals the
Min-threshold and not just when it equal the Max threshold for that
precedence.

I need explanation on this.



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