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JunosE 11.3.x Quality of Service Configuration Guide
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Sample Process for Controlling the Simple Shared Shaper Algorithm
90
The reaction factor determines how the shared shaper reacts to changes in the
measured rate.
The range for the reaction factor is 0–1000; 0 is the most liberal and 1000 is the most
conservative. The default value is 200.
(Optional) Specify the minimum value of the dynamic shaping rate as a percentage
4.
of the shared shaping rate for all simple shared shapers on the router.
host1(config-qos-shared-shaper-control)#minimum-dynamic-rate-percent 50
The range for the minimum dynamic rate value is 0–100 percent. The default value is
0.
(Optional) Configure a maximum value for the virtual output queue length (VOQL)
5.
for all simple shared shapers on the router.
host1(config-qos-shared-shaper-control)#maximum-voql 25
The VOQL tracks the amount of data over queued between simple shared-shaper
rate periods.
The range for the maximum VOQL value is 0–10000 milliseconds (ms). The default
value is 4000.
Simple Shared Shaping Algorithm Overview on page 85
Variables of the Simple Shared Shaper Algorithm on page 87
Guidelines for Controlling the Simple Shared Shaper Algorithm on page 88
Sample Process for Controlling the Simple Shared Shaper Algorithm on page 90
Configuring Simple Shared Shaping on page 77
convergence-factor
maximum-voql
minimum-dynamic-rate-percent
qos-shared-shaper-control
reaction-factor
The simple shared shaper in this example contains two constituents, best-effort and
video. The shared-shaping rate is 15 Mbps, and the video rate is 4 Mbps.
The example contains two parts: when the video flow is turned on, and then turned off.
NOTE: The rates in this example are approximate and for illustrative purposes
only. Your configuration might yield different results based on network
variables.
Copyright © 2010, Juniper Networks, Inc.
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