The Shaper provides a simplified way to globally configure QoS (Quality of Service) on the appliances.
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It shapes traffic by allocating bandwidth as a percentage of the system bandwidth.
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The Shaper's parameters are organized into ten traffic classes. Four traffic classes are preconfigured and named --- real-time, interactive, default, and best effort.
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To manage Shaper settings for an appliance's system-level wan Shaper, access the Shaper template.
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Traffic Name: Name assigned to a traffic class, either prescriptively or by the user.
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Priority: Determines the order in which to allocate each class's minimum bandwidth - 1 is first, 10 is last.
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Min Bandwidth: Refers to the percentage of bandwidth guaranteed to each traffic class, allocated by priority. However, if the sum of the percentages is greater than 100%, then lower-priority traffic classes might not receive their guaranteed bandwidth if it's all consumed by higher-priority traffic.
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Excess Weighting: If there is bandwidth left over after satisfying the minimum bandwidth percentages, then the excess is distributed among the traffic classes, in proportion to the weightings specified in the Excess Weighting column. Values range from 1 to 10,000.
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Max Bandwidth: You can limit the maximum bandwidth that a traffic class uses by specifying a percentage in the Max Bandwidth column. The bandwidth usage for the traffic class will never exceed this value.
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Max Wait Time: Any packets waiting longer than the specified Max Wait Time are dropped.
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