Chapter 17 Quality of Service (QoS)
P-660HN-51 User’s Guide
177
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 Zyxel Device 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 17.8 on page 187 for more information on each
metering algorithm.
17.3 The Quality of Service General Screen
Click Advanced > QoS > General to open the screen as shown next.
Use this screen to enable or disable QoS and set the upstream bandwidth. See Section 17.1 on page 175
for more information.
Figure 94 Advanced > QoS > General
Traffic
Time
Traffic Rate
Traffic
Time
Traffic Rate
(Before Traffic Policing) (After Traffic Policing)
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