Chapter 10 Quality of Service (QoS)
EX3510-B1 User’s Guide
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Figure 96 Policer Setup: Add/Edit
The following table describes the labels in this screen.
Table 54 Policer Setup: Add/Edit
LABEL DESCRIPTION
Active Click this switch to enable or disable the policer. When the switch turns blue , the function is
enabled. Otherwise, it is not.
Name Enter the descriptive name of this policer.
Meter Type This shows the traffic metering algorithm used in this policer.
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).
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).
Committed
Rate
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.
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