Traffic Policing Mechanism Regulates Traffic - Cisco ASR 9000 Series Configuration Manual
Aggregation services router modular quality of service
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- Command reference manual (1138 pages) ,
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Configuring Modular Quality of Service Congestion Management on Cisco ASR 9000 Series Routers
Marking IP fields on an MPLS-enabled interface results in non-operation on that particular interface.
Note
Traffic Policing Mechanism Regulates Traffic
Figure 2
exceeding a CIR.
Figure 2
Packet of size B
The time interval between token updates (Tc) to the token bucket is updated at the CIR value each time
a packet arrives at the traffic policer. The Tc token bucket can contain up to the Bc value. If a packet of
size B is greater than the Tc token bucket, then the packet exceeds the CIR value and a configured action
is performed. If a packet of size B is less than the Tc token bucket, then the packet conforms and a
different configured action is performed.
OL-17239-01
Information About Configuring QoS Congestion Management on Cisco ASR 9000 Series Routers
D r a f t — C i s c o C o n f i d e n t i a l
illustrates how a single-rate token bucket policer marks packets as either conforming or
How a Traffic Policing Mechanism Regulates Traffic
No
Exceed
Cisco ASR 9000 Series Aggregation Services Router Modular Quality of Service Configuration Guide
CIR
Bc
No
B>Tc
Yes
Conform
Action
Action
QC-43
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