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Chapter 10 Quality of Service (QoS)
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.
Traffic Rate
Traffic Rate
Time
Time
(Before Traffic Policing)
(After Traffic Policing)
The VMG 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 10.8 on page 152
for more information on
each metering algorithm.
10.3 The Quality of Service General Screen
Click Network Setting > QoS > General to open the screen as shown next.
Use this screen to enable or disable QoS and set the upstream bandwidth. See
Section 10.1 on
page 139
for more information.
Figure 68 Network Settings > QoS > General
VMG1312-Bx0D User's Guide
141
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