Configuring Byte Adjustment For Shaping Rates With Qos Parameters; Byte Adjustment For Adsl And Vdsl Traffic Overview; Byte Adjustment For Cell Shaping Of Adsl Traffic Overview - Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - QUALITY OF SERVICE CONFIGURATION GUIDE 2010-09-22 Configuration Manual
Software for e series broadband services routers quality of service configuration guide
Table of Contents
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CHAPTER 29
Configuring Byte Adjustment for Shaping
Rates with QoS Parameters
Byte Adjustment for ADSL and VDSL Traffic Overview
Byte Adjustment for Cell Shaping of ADSL Traffic Overview
Copyright © 2010, Juniper Networks, Inc.
This chapter provides information for configuring byte adjustment with quality of service
(QoS) parameters on E Series routers.
QoS parameters are discussed in the following sections:
Byte Adjustment for ADSL and VDSL Traffic Overview on page 275
Guidelines for Configuring Byte Adjustment of Cell and Frame Shaping Rates Using
QoS Parameters on page 278
Configuring a Parameter Definition to Adjust Cell Shaping Rates for ADSL
Traffic on page 279
Configuring a Parameter Definition to Adjust Frame Shaping Rates for VDSL
Traffic on page 281
You can associate a parameter definition with a byte adjustment application to adjust
the shaping rates for ADSL and VDSL traffic on E Series Broadband Services Routers.
The byte adjustment differs for interfaces with cell shaping mode and frame shaping
mode. For ADSL traffic, JunosE Software supports a byte adjustment application
(qos-byte-adjustment) to adjust rates for cell shaping mode. For VDSL traffic, JunosE
Software supports a frame byte-adjustment application (qos-frame-byte-adjustment)
to adjust rates for frame shaping mode.
Frame is the default shaping mode for Ethernet interfaces on E Series routers. To configure
the cell shaping mode, issue the qos-shaping-mode command or by specifying the
qos-cell-mode application with a parameter definition.
Managing the bandwidth of downstream ATM traffic to Ethernet interfaces is difficult
because of the different layer 2 encapsulations. To reduce the number of packet drops
in the Ethernet network, you can use the byte adjustment applications to account for the
different encapsulations.
275
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