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Arris C4 User Manual

Arris C4
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Chapter 32: Packet Throttling
STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved. 946
Set Peak Traffic Rate for QOS
Use the following command example as a guide for setting the peak traffic rate for DOCSIS 1.1 modems assigned to a
particular service class (qos-sc = Quality of Service — Service Class Name):
configure qos-sc name SCNA peak-tr-rate 100000
Note: A peak traffic rate of zero means that peak traffic rate is not utilized. A peak traffic rate with a value less than Tmax
for a given flow indicates that the peak traffic rate is limited to the Tmax for that flow.
Power Boost Cap
The Upstream Power Boost feature enables support for upstream Peak Traffic Rate.
Peak and Maximum Rates
Traffic is limited to the peak rate (Tpeak) while a modem bursts beyond the maximum rate (Tmax). The Tpeak rate is
greater than the Tmax rate. Once the specified number of bytes have been consumed at the higher rate, the traffic is then
throttled back to the Tmax rate. The commands that relate to power boost cap are discussed in the following sections.
Enable/Disable Peak Rate Service Flow
Use the following command to globally enable the Peak Traffic Rate service flow for upstream service flows:
configure cable global peak-tr-rate-upstream [no]
The [no] option is used to disable the Peak Traffic Rate service flow.
Service Flow Information
Outputs from the show cable modem qos <mac> verbose commands provide both downstream and upstream service
flow information.

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Arris C4 Specifications

General IconGeneral
BrandArris
ModelC4
CategoryControl Unit
LanguageEnglish

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