ZyXEL P-2812HNU-51c User Manual Page 309

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Chapter 19 Quality of Service (QoS)
P-2812HNU-51c User’s Guide
309
queues). Your P-2812HNU-51c uses the Token Bucket algorithm to allow a certain
amount of large bursts while keeping a limit at the average rate.
Traffic Policing
Traffic policing is the limiting of the input or output transmission rate of a class of
traffic on the basis of user-defined criteria. Traffic policing methods measure traffic
flows against user-defined criteria and identify it as either conforming, exceeding
or violating the criteria.
The P-2812HNU-51c supports three incoming traffic metering algorithms: Token
Bucket Filter (TBF), Single Rate Two Color Maker (srTCM), and Two Rate Two Color
Marker (trTCM). You can specify actions which are performed on the colored
packets. See Section 19.8 on page 324 for more information on each metering
algorithm.
19.3 The Quality of Service General Screen
Click Advanced Setup > Quality of Service to open the screen as shown next.
Use this screen to enable or disable QoS, set the bandwidth, and select to have
the P-2812HNU-51c automatically assign priority to upstream traffic according to
Traffic
Time
Traffic Rate
Traffic
Time
Traffic Rate
(Before Traffic Shaping) (After Traffic Shaping)
Traffic
Time
Traffic Rate
Traffic
Time
Traffic Rate
(Before Traffic Policing)
(After Traffic Policing)
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