Chapter 16: Quality of Service (QoS) (CLI)
Configuring Policers (Rate Metering) (CLI)
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Page 16-15
Configuring Policers (Rate Metering) (CLI)
This section includes:
•
Overview of Rate Metering (Policing) (CLI)
•
Configuring Rate Meter (Policer) Profiles (CLI)
•
Displaying Rate Meter Profiles (CLI)
•
Deleting a Rate Meter Profile (CLI)
•
Attaching a Rate Meter (Policer) to an Interface (CLI)
•
Configuring the Line Compensation Value for a Rate Meter (Policer) (CLI)
Overview of Rate Metering (Policing) (CLI)
The PTP 850 switching fabric supports hierarchical policing on the logical interface level. You can define up to 250
rate meter (policer) profiles.
Note
Policing on the service point level, and the service point and CoS level, is planned for future release.
The PTP 850's policer mechanism is based on a dual leaky bucket mechanism (TrTCM). The policers can change a
frame’s color and CoS settings based on CIR/EIR + CBS/EBS, which makes the policer mechanism a key tool for
implementing bandwidth profiles and enabling operators to meet strict SLA requirements.
The output of the policers is a suggested color for the inspected frame. Based on this color, the queue
management mechanism decides whether to drop the frame or to pass it to the queue.
Configuring Rate Meter (Policer) Profiles (CLI)
To add a rate meter (policer) profile, enter the following command:
root> ethernet qos rate-meter add profile-id <profile-id> cir <cir> cbs
<cbs> eir <eir> ebs <ebs> color-mode <color-mode> coupling-flag
<coupling-flag> rate-meter-profile-name <rate-meter-profile-name>
To edit an existing rate meter (policer) profile, enter the following command:
root> ethernet qos rate-meter edit profile-id <profile-id> cir <cir> cbs
<cbs> eir <eir> ebs <ebs> color-mode <color-mode> coupling-flag
<coupling-flag> rate-meter-profile-name <rate-meter-profile-name>
Table 132
Rate Meter Profile CLI Parameters
Содержание PTP 850E
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