ZyXEL GS-105I User Guide - Page 159
Quality of Service QoS, PX7511-B0 User's Guide, Policer Setup: Add/Edit, The following
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Chapter 10 Quality of Service (QoS) Figure 91 Policer Setup: Add/Edit The following table describes the labels in this screen. Table 53 Policer Setup: Add/Edit LABEL DESCRIPTION Active Name Meter Type Click this switch to enable or disable the policer. When the switch turns blue enabled. Otherwise, it is not. Enter the descriptive name of this policer. This shows the traffic metering algorithm used in this policer. , the function is The Simple Token Bucket algorithm uses tokens in a bucket to control when traffic can be transmitted. Each token represents one byte. The algorithm allows bursts of up to b bytes which is also the bucket size. The Single Rate Three Color Marker (srTCM) is based on the token bucket filter and identifies packets by comparing them to the Committed Information Rate (CIR), the Committed Burst Size (CBS) and the Excess Burst Size (EBS). Committed Rate Committed Burst Size The Two Rate Three Color Marker (trTCM) is based on the token bucket filter and identifies packets by comparing them to the Committed Information Rate (CIR) and the Peak Information Rate (PIR). Specify the committed rate. When the incoming traffic rate of the member QoS classes is less than the committed rate, the device applies the conforming action to the traffic. Specify the committed burst size for packet bursts. This must be equal to or less than the peak burst size (two rate three color) or excess burst size (single rate three color) if it is also configured. This is the maximum size of the (first) token bucket in a traffic metering algorithm. PX7511-B0 User's Guide 159