•  JunosE 11.3.x Quality of Service Configuration Guide
  •  Copyright and Trademark Information
  •  Table of Contents
  •  List of Figures
  •  List of Tables
  •   About the Documentation
    •  E Series and JunosE Documentation and Release Notes
    •  Audience
    •  E Series and JunosE Text and Syntax Conventions
    •  Obtaining Documentation
    •  Documentation Feedback
    •  Requesting Technical Support
  •   QoS on the E Series Router
    •   Quality of Service Overview
      •  QoS on the E Series Router Overview
      •  QoS Audience
      •   QoS Platform Considerations
        •  Interface Specifiers
      •  QoS Terms
      •  QoS Features
      •  Configuring QoS on the E Series Router
      •  QoS References
  •   Classifying, Queuing, and Dropping Traffic
    •   Defining Service Levels with Traffic Classes and Traffic-Class Groups
      •   Traffic Class and Traffic-Class Groups Overview
        •  Best-Effort Forwarding
        •  Traffic-Class Groups Overview
      •  Configuring Traffic Classes That Define Service Levels
      •  Configuring Traffic-Class Groups That Define Service Levels
      •  Monitoring Traffic Classes and Traffic-Class Groups for Defined Levels of Service
    •   Configuring Queue Profiles for Buffer Management
      •   Queuing and Buffer Management Overview
        •  Static Oversubscription
        •  Dynamic Oversubscription
        •  Color-Based Thresholding
      •  Memory Requirements for Queue and Buffers
      •   Guidelines for Managing Queue Thresholds
        •  Guidelines for Configuring a Maximum Threshold
        •  Guidelines for Configuring a Minimum Threshold
      •   Guidelines for Managing Buffers
        •  Guidelines for Managing Buffer Starvation
      •  Configuring Queue Profiles to Manage Buffers and Thresholds
      •  Monitoring Queues and Buffers
    •   Configuring Dropping Behavior with RED and WRED
      •  Dropping Behavior Overview
      •  RED and WRED Overview
      •  Configuring RED
      •  Example: Configuring Average Queue Length for RED
      •  Example: Configuring Dropping Thresholds for RED
      •  Example: Configuring Color-Blind RED
      •  Configuring WRED
      •  Example: Configuring Different Treatment of Colored Packets for WRED
      •  Example: Defining Different Drop Behavior for Each Traffic Class for WRED
      •  Example: Configuring WRED and Dynamic Queue Thresholds
      •  Monitoring RED and WRED
    •   Gathering Statistics for Rates and Events in the Queue
      •   QoS Statistics Overview
        •  Rate Statistics
        •  Event Statistics
        •  Bulk Statistics Support for QoS Statistics
      •  Configuring Statistic Profiles for QoS
      •  Configuring Rate Statistics
      •  Configuring Event Statistics
      •  Clearing QoS Statistics on the Egress Queue
      •  Clearing QoS Statistics on the Fabric Queue
      •  Monitoring QoS Statistics for Rates and Events
  •   Scheduling and Shaping Traffic
    •   QoS Scheduler Hierarchy Overview
      •   Scheduler Hierarchy Overview
        •  Shaping Rates, Assured Rates, and Relative Weights in a Scheduler Hierarchy
      •  Configuring a Scheduler Hierarchy
      •  Configuring a Scheduler Profile for a Scheduler Node or Queue
      •  Using Expressions for Bandwidth and Burst Values in a Scheduler Profile
    •   Configuring Rates and Weights in the Scheduler Hierarchy
      •  Rate Shaping and Port Shaping Overview
      •  Configuring Rate Shaping for a Scheduler Node or Queue
      •  Configuring Port Shaping
      •  Static and Hierarchical Assured Rate Overview
      •   Configuring an Assured Rate for a Scheduler Node or Queue
        •  Configuring a Static Assured Rate
        •  Configuring a Hierarchical Assured Rate
        •  Changing the Assured Rate to an HRR Weight
      •  Configuring the HRR Weight for a Scheduler Node or Queue
    •   Configuring Strict-Priority Scheduling
      •   Strict-Priority and Relative Strict-Priority Scheduling Overview
        •  Relative Strict-Priority Scheduling Overview
      •   Comparison of True Strict Priority with Relative Strict Priority Scheduling
        •  Schedulers and True Strict Priority
        •  Schedulers and Relative Strict Priority
        •   Relative Strict Priority on ATM Modules
          •  Oversubscribing ATM Ports
          •  Minimizing Latency on the SAR Scheduler
        •   HRR Scheduler Behavior and Strict-Priority Scheduling
          •  Zero-Weight Queues
          •  Setting the Burst Size in a Shaping Rate
          •  Special Shaping Rate for Nonstrict Queues
      •  Configuring Strict-Priority Scheduling
      •  Configuring Relative Strict-Priority Scheduling for Aggregate Shaping Rates
    •   Shared Shaping Overview
      •  Shared Shaping Overview
      •  Shared Shaper Terms
      •   How Shared Shaping Works
        •  Active Constituents for Shared Shaping
      •   Guidelines for Configuring Simple and Compound Shared Shaping
        •  Shared Shaping and Individual Shaping
        •  Shared Shaping and Best-Effort Queues and Nodes
        •   ATM and Shared Shaping
          •  Sharing Bandwidth with the SAR
          •  Shared Shaping and Low-CDV Mode
        •  Logical Interface Traffic Carried in Other Queues
        •  Traffic Starvation and Shared Shaping
        •  Oversubscription and Shared Shaping
        •  Burst Size and Shared Shaping
    •   Configuring Simple Shared Shaping of Traffic
      •   Simple Shared Shaping Overview
        •  Bandwidth Allocation for Simple Shared Shaping
        •  Simple Shared Shaping on the Best-Effort Scheduler Node
        •  Simple Shared Shaping for Triple-Play Networks
      •  Configuring Simple Shared Shaping
      •  Example: Simple Shared Shaping for ATM VCs
      •  Example: Simple Shared Shaping for ATM VPs
      •  Example: Simple Shared Shaping for Ethernet
    •   Configuring Variables in the Simple Shared Shaping Algorithm
      •   Simple Shared Shaping Algorithm Overview
        •  Simple Shared Shaper Algorithm Calculations
      •  Variables of the Simple Shared Shaper Algorithm
      •  Guidelines for Controlling the Simple Shared Shaper Algorithm
      •  Configuring Simple Shared Shaper Algorithm Variables
      •  Sample Process for Controlling the Simple Shared Shaper Algorithm
    •   Configuring Compound Shared Shaping of Traffic
      •   Compound Shared Shaping Overview
        •  Supported Hardware for Compound Shared Shaping
        •  Bandwidth Allocation for Compound Shared Shaping
      •  Configuring Compound Shared Shaping
      •  Example: Compound Shared Shaping for ATM VCs
      •  Example: Compound Shared Shaping for ATM VPs
    •   Configuring Implicit and Explicit Constituent Selection for Shaping
      •   Constituent Selection for Shared Shaping Overview
        •  Types of Shared Shaper Constituents
      •   Implicit Constituent Selection Overview
        •   Implicit Bandwidth Allocation for Compound Shared Shaping
          •  Weighted Compound Shared Shaping Example
      •  Configuring Implicit Constituents for Simple or Compound Shared Shaping
      •   Explicit Constituent Selection Overview
        •  Explicit Shared Shaping Example
        •  Explicit Weighted Compound Shared Shaping Example
      •  Configuring Explicit Constituents for Simple or Compound Shared Shaping
    •   Monitoring a QoS Scheduler Hierarchy
      •  Monitoring QoS Scheduling and Shaping
  •   Creating a QoS Scheduler Hierarchy on an Interface with QoS Profiles
    •   QoS Profile Overview
      •  QoS Profile Overview
      •  Managing System Resources for Nodes and Queues
      •  Scaling Subscribers on the TFA ASIC with QoS
    •   Configuring and Attaching QoS Profiles to an Interface
      •  Supported Interface Types for QoS Profiles
      •  Configuring a QoS Profile
      •   Attaching a QoS Profile to an Interface
        •  Attaching a QoS Profile to a Base Interface
        •  Attaching a QoS Profile to an ATM VP
        •  Attaching a QoS Profile to an S-VLAN
        •  Attaching a QoS Profile to a Port Type
      •   Munged QoS Profile Overview
        •  Sample Munged QoS Profile Process
      •  Example: Port-Type QoS Profile Attachment
      •  Example: QoS Profile Attachment to Port
      •  Example: Diffserv Configuration with Multiple Traffic-Class Groups
    •   Configuring Shadow Nodes for Queue Management
      •  Shadow Node Overview
      •  Shadow Nodes and Scheduler Behavior
      •  Managing System Resources for Shadow Nodes
      •  Configuring Shadow Nodes
      •  Example: Shadow Nodes over VLAN and IP Queues
      •  Example: Shadow Nodes on the Same Traffic-Class Group
      •  Example: Shadow Nodes on Different Traffic-Class Groups
    •   Monitoring a Scheduler Hierarchy on an Interface with QoS Profiles
      •  Monitoring a Scheduler Hierarchy on an Interface with QoS Profiles
  •   Interface Solutions for QoS
    •   Configuring an Integrated Scheduler to Provide QoS for ATM
      •   ATM Integrated Scheduler Overview
        •  Backpressure and the Integrated Scheduler
        •  VP Shaping
      •  Integrating the HRR Scheduler and SAR Scheduler
      •   Per-Packet Queuing on the SAR Scheduler Overview
        •   Operational QoS Shaping Mode for ATM Interfaces Overview
          •  ERX7xx Models, ERX14xx Models, and the ERX310 Router
          •  E120 Router and E320 Router
      •  Guidelines for Configuring QoS over ATM
      •  Configuring Default Integrated Mode for ATM Interface
      •  Configuring Low-Latency Mode for Per-Port Queuing on ATM Interfaces
      •  Configuring Low-CDV Mode for Per-Port Queuing on ATM Interfaces
      •  Configuring the QoS Shaping Mode for ATM Interfaces
      •  Disabling Per-Port Queuing on ATM Interfaces
      •  Monitoring QoS Configurations for ATM
    •   Configuring QoS for Gigabit Ethernet Interfaces and VLAN Subinterfaces
      •  Providing QoS for Ethernet Overview
      •  QoS Shaping Mode for Ethernet Interfaces Overview
      •  Configuring the QoS Shaping Mode for Ethernet Interfaces
      •  Creating a QoS Interface Hierarchy for Bulk-Configured VLAN Subinterfaces with RADIUS
      •  Monitoring QoS Configurations for Ethernet
    •   Configuring QoS for 802.3ad Link Aggregation Groups
      •   QoS for 802.3ad Link Aggregation Interfaces Overview
        •  Types of Load Balancing
        •  Munged QoS Profiles and Load Balancing
        •  802.3ad Link Aggregation and QoS Parameters
        •   QoS and Ethernet Link Redundancy
          •  Active Link Failure and QoS
          •  Administratively Disabling a Link and QoS
          •  Adding a New Link to the LAG and QoS
      •   Hashed Load Balancing for 802.3ad Link Aggregation Groups Overview
        •  Sample Scheduler Hierarchy for Hashed Load Balancing
      •   Subscriber Load Balancing for 802.3ad Link Aggregation Groups Overview
        •  S-VLANs and Subscriber Load Balancing
        •  PPPoE over VLANs and Subscriber Load Balancing
        •  PPPoE over Ethernet (No VLANs) and Subscriber Load Balancing
        •  MPLS over LAG and Subscriber Load Balancing
        •  Sample Scheduler Hierarchy for Subscriber Load Balancing
        •  Subscriber Allocation in 802.3ad Link Aggregation Groups
      •  Guidelines for Configuring QoS over 802.3ad Link Aggregation Groups
      •  Configuring the Scheduler Hierarchy for Hashed Load Balancing in 802.3ad Link Aggregation Groups
      •  Enabling Default Subscriber Load Balancing for 802.3ad Link Aggregation Groups
      •  Configuring the Scheduler Hierarchy for Subscriber Load Balancing in 802.3ad Link Aggregation Groups
      •   Configuring Load Rebalancing for 802.3ad Link Aggregation Groups
        •  Configuring Load–Rebalancing Parameters
        •  Configuring the System to Dynamically Rebalance the LAG
      •  Monitoring QoS Configurations for 802.3ad Link Aggregation Groups
    •   Configuring QoS for L2TP Sessions
      •  Providing QoS for L2TP Overview
      •  Sample Scheduler Hierarchies for L2TP
      •   Configuring QoS for an L2TP Session
        •  Configuring QoS for an L2TP LNS Session
        •  Configuring QoS for an L2TP LAC Session
      •  Configuring QoS for Tunnel-Server Ports for L2TP LNS Sessions
      •   QoS and L2TP TX Speed AVP 24 Overview
        •  Logical Interfaces and Shared-Shaping Rates
        •  Shaping Mode
      •  Monitoring QoS Configurations for L2TP
    •   Configuring Interface Sets for QoS
      •   Interface Sets for QoS Overview
        •  Interface Set Terms
      •   Architecture of Interface Sets for QoS
        •  Interface Set Parents and Types
        •  Sample Interface Columns and Scheduler Hierarchies
        •  Scheduling and Shaping Interface Sets
      •  Configuring Interface Sets for Scheduling and Queuing
      •   Configuring Interface Supersets for QoS
        •  Configuring an Interface Superset
        •  Restricting an Interface Superset to an S-VLAN ID or an ATM VP
      •   Configuring Interface Sets for QoS
        •  Configuring an Interface Set
        •  Deleting an Interface Set from an Interface Superset
      •   Adding Member Interfaces to an Interface Set
        •  Adding Interfaces to an Interface Set with the CLI
        •  Adding Interfaces to an Interface Set with RADIUS
        •  Changing and Deleting Interface Members in an Interface Set
        •  Changing Interface Members with Upper-Layer Protocols in an Interface Set
      •   Creating a QoS Parameter on an Interface Superset or Interface Set
        •  Configuring a QoS Parameter Definition for an Interface Superset or an Interface Set
        •  Creating a QoS Parameter Instance for an Interface Superset
        •  Creating a QoS Parameter Instance for an Interface Set
      •   Attaching a QoS Profile to an Interface Superset or an Interface Set
        •  Configuring a QoS Profile for an Interface Superset or an Interface Set
        •  Attaching a QoS Profile to an Interface Superset
        •  Attaching a QoS Profile to an Interface Set
      •   Deleting an Interface Superset or an Interface Set
        •  Deleting an Interface Superset
        •  Deleting an Interface Set
      •  Example: Configuring Interface Sets for 802.3ad Link Aggregation Groups
  •   Managing Queuing and Scheduling with QoS Parameters
    •   QoS Parameter Overview
      •  QoS Parameter Overview
      •  QoS Parameter Audience
      •  QoS Parameter Terms
      •   Relationship Among QoS Parameters, Scheduler Profiles, and QoS Profiles
        •  QoS Administrator Tasks
        •  QoS Client Tasks
    •   Configuring a QoS Parameter
      •   Parameter Definition Attributes for QoS Administrators Overview
        •  Naming Guidelines for QoS Parameters
        •   Interface Types and QoS Parameters
          •   Controlled-Interface Types
            •  Controlled-Interface Type Example
          •   Instance-Interface Types
            •  Instance-Interface Type Example
          •   Subscriber-Interface Types
            •  Subscriber-Interface Type Example
        •  Range of QoS Parameters
        •  Applications and QoS Parameters
      •   Scheduler Profiles and Parameter Expressions for QoS Administrators
        •   Referencing a Parameter Definition in a Scheduler Profile
          •  Removing or Modifying a Scheduler Profile
        •   Using Expressions for QoS Parameters
          •  Operators and Precedence
          •   Specifying a Range in Expressions
            •  Operations Using This Expression
      •  Configuring a Basic Parameter Definition for QoS Administrators
      •   Parameter Instances for QoS Clients Overview
        •  Global QoS Parameter Instance Overview
        •  QoS Parameters for Interfaces Overview
      •   Creating Parameter Instances
        •  Creating a Global Parameter Instance
        •  Creating a Parameter Instance for an Interface
        •  Creating a Parameter Instance for an ATM VP
        •  Creating a Parameter Instance for an S-VLAN
      •   Example: QoS Parameter Configuration for Controlling Subscriber Bandwidth
        •  Procedure for QoS Administrators
        •  Procedure for QoS Clients
        •  Monitoring the Subscriber Configuration
        •   Complete Configuration Example
          •  QoS Administrator Configuration
          •  QoS Client Configuration
    •   Configuring Hierarchical QoS Parameters
      •  Hierarchical QoS Parameters Overview
      •  Guidelines for Configuring Hierarchical Parameters
      •  Configuring a Parameter Definition to Calculate Hierarchical Instances
      •   Example: QoS Parameter Configuration for Hierarchical Parameters
        •  Procedure for QoS Administrators
        •  Procedure for QoS Clients
        •  Monitoring Hierarchical QoS Parameters
        •   Complete Configuration Example
          •  QoS Administrator Configuration
          •  QoS Client Configuration
    •   Configuring IP Multicast Bandwidth Adjustment with QoS Parameters
      •  IP Multicast Bandwidth Adjustment for QoS Overview
      •  Guidelines for Configuring IP Multicast Adjustment for QoS
      •  Configuring a Parameter Definition for IP Multicast Bandwidth Adjustment
      •   Example: QoS Parameter Configuration for IP Multicast Bandwidth Adjustment
        •  Monitoring the Configuration
        •  Complete Configuration Example
    •   Configuring the Shaping Mode for Ethernet with QoS Parameters
      •   Cell Shaping Mode Using QoS Parameters Overview
        •  Overriding the QoS Shaping Mode
        •  Module Types and Capabilities for QoS Cell Mode Application
        •  Cell Tax Adjustment Using QoS Cell Mode
        •  Relationship with QoS Downstream Rate Application
      •  Guidelines for Configuring the Cell Shaping Mode with QoS Parameters
      •  Configuring a Parameter Definition to Shape Ethernet Traffic Using Cell Mode
      •   Example: QoS Parameter Configuration for QoS Cell Mode and Byte Adjustment for Cell Shaping
        •  Complete Configuration Example
    •   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
          •  Calculation and Example of Byte Adjustment for Cell Shaping
        •  Byte Adjustment for Frame Shaping of VDSL Traffic Overview
        •  System Calculation for Byte Adjustment of ADSL and VDSL Traffic
      •  Guidelines for Configuring Byte Adjustment of Cell and Frame Shaping Rates Using QoS Parameters
      •  Configuring a Parameter Definition to Adjust Cell Shaping Rates for ADSL Traffic
      •  Configuring a Parameter Definition to Adjust Frame Shaping Rates for VDSL Traffic
    •   Configuring the Downstream Rate Using QoS Parameters
      •   QoS Downstream Rate Application Overview
        •  Downstream Rate and the Shaping Mode
        •  QoS Adaptive Mode and Downstream Rate
        •  Obtaining Downstream Rates from a DSL Forum VSA
      •  Guidelines for Configuring QoS Downstream Rate
      •  Configuring a Parameter Definition for QoS Downstream Rate
      •   Example: QoS Parameter Configuration for QoS Downstream Rate
        •  Complete Configuration Example
  •   Monitoring and Troubleshooting QoS
    •   Monitoring QoS on E Series Routers
      •  Monitoring Service Levels with Traffic Classes
      •  Monitoring Service Levels with Traffic-Class Groups
      •  Monitoring Queue Thresholds
      •  Monitoring Queue Profiles
      •  Monitoring Drop Profiles for RED and WRED
      •  Monitoring the QoS Scheduler Hierarchy
      •  Monitoring the Configuration of Scheduler Profiles
      •  Monitoring Shared Shapers
      •  Monitoring Shared Shaper Algorithm Variables
      •  Monitoring Forwarding and Drop Events on the Egress Queue
      •  Monitoring Forwarding and Drop Rates on the Egress Queue
      •  Monitoring Queue Statistics for the Fabric
      •  Monitoring the Configuration of Statistics Profiles
      •  Monitoring the QoS Profiles Attached to an Interface
      •  Monitoring the Configuration of QoS Port-Type Profiles
      •  Monitoring the Configuration of QoS Profiles
      •  Monitoring the QoS Configuration of ATM Interfaces
      •  Monitoring the QoS Configuration of IP Interfaces
      •  Monitoring the QoS Configuration of Fast Ethernet, Gigabit Ethernet, and 10-Gigabit Ethernet Interfaces
      •  Monitoring the QoS Configuration of IEEE 802.3ad Link Aggregation Group Bundles
      •  Monitoring the Configuration of QoS Interface Sets
      •  Monitoring the Configuration of QoS Interface Supersets
      •  Monitoring the AAA Downstream Rate for QoS
      •  Monitoring QoS Parameter Instances
      •  Monitoring QoS Parameter Definitions
    •   Troubleshooting QoS
      •  Troubleshooting Memory and Processor Use for Egress Queue Rate Statistics and Events
  •   Index
    •  Index

Symbols

10-Gigabit Ethernet

monitoring

10-Gigabit Ethernet forwarding ASIC (TFA)    1, 2, 3, 4

802.3ad link aggregation

configuring for QoS

link redundancy and QoS

A

aaa qos downstream-rate command

Access Node Control Protocol.,  See ANCP    

ADSL traffic

managing cell tax

ANCP (Access Node Control Protocol)

shaping downstream rates from    1, 2

ASIC scheduler

assured rate

assured-rate command

ATM (Asynchronous Transfer Mode)

cell shaping

configuration guidelines for QoS

configuring for QoS

configuring the integrated scheduler

frame shaping

monitoring

monitoring for QoS

SAR shaping

shaping for QoS

atm commands

atm vp-tunnel    1, 2

atm-vp qos-parameter

atm-vp qos-profile

ATM modules with relative strict priority

minimizing latency on the SAR

oversubscribing

ATM SAR shaping, QoS

ATM VP

interface attachments

audience for QoS

B

backpressure

default integrated mode

low-cdv mode

low-latency mode

best effort    1, 2

best-effort queue

best-effort scheduler node

buffer-weight command

burst size, setting in a shaping rate

byte adjustment application

configuration example

byte adjustment applications

overview

C

CDV (cell delay variation)

CDVT (cell delay variation tolerance)    1, 2

cell byte-adjustment application

configuring

cell delay variation tolerance.,  See CDVT    

cell delay variation.,  See CDV    

clear egress-queue command

clear fabric-queue command

clearing statistics

color-based thresholds

committed drop threshold

committed-drop-threshold command

committed-length command

committed-threshold command    1, 2

compound shared shaping.,  See shared shaping    

configuration examples

Diffserv

QoS parameters    1, 2, 3

QoS profiles

configuring.,  See specific feature, product, or protocol    

conformed drop threshold

conformed-drop-threshold command

conformed-fraction command

conformed-length command

conformed-threshold command    1, 2

constituents, shared-shaping

controlled-interface-type command

controlling subscriber bandwidth

configuration example    1, 2

conventions

notice icons

text and syntax

convergence-factor command

customer support

contacting JTAC

D

DiffServ

configuration example

networks

documentation set

comments on

drop profile

configuration examples for RED    1, 2, 3

configuration examples for WRED

configuring RED

configuring WRED

RED (random early detection)

dynamic shaping of traffic

E

effective weight

egress forwarding ASIC (EFA)    1, 2

Ethernet

802.3ad link aggregation and QoS

configuring for QoS    1, 2

overview for QoS

QoS shaping mode

Ethernet link aggregation commands

member-interface

event statistics

exceeded drop threshold

exceeded-drop-threshold command

exceeded-fraction command

exceeded-length command

exceeded-threshold command    1, 2

expressions    1, 2

F

fabric-strict-priority command

fabric-weight command

Fast Ethernet

monitoring

forwarding classes.,  See traffic classes    

forwarding rate threshold

forwarding-rate-threshold command

frame byte adjustment application

configuring

frame forwarding ASIC (FFA)    1, 2

G

Gigabit Ethernet

monitoring    1, 2

group command    1, 2

group node

H

HAR (hierarchical assured rate)

hierarchical assured rate.,  See HAR    

hierarchical round-robin.,  See HRR    

hierarchy, QoS scheduler    1, 2

HRR (hierarchical round-robin)    1, 2

HRR scheduler

relative strict priority on    1, 2

I

implicit constituents

selection for compound shared shaping

selection for simple shared shaping

instance-interface-type command

integrated scheduler

configuring for QoS

interface profile

attachments

IP multicast bandwidth adjustment

configuration example

configuring

overview

L

L2TP (Layer 2 Tunneling Protocol)

calculating the transmit connect speed

configuring for QoS

monitoring for QoS

overview for QoS

L2TP sessions

QoS

latency

layer 2 control.,  See ANCP    

load balancing

configuring parameters

hashed

configuring

overview    1, 2

munged QoS profiles

subscriber

configuring

enabling default configuration

overview    1, 2

load-rebalance command    1, 2

M

manuals

comments on

maximum-voql command

minimum-dynamic-rate-percent command

monitoring.,  See specific feature, product, or protocol    

multiple traffic-class groups

munged QoS profile

attachments

Ethernet link aggregation

N

node command    1, 2, 3, 4, 5, 6, 7, 8

nodes

best-effort scheduler

group

scheduler

system resources

notice icons

O

operational QoS shaping mode

P

packet fragmentation, managing

parameters    1, 2, 3, 4, 5,  See also QoS parameters    

phantom nodes

port shaping

port-type profile, QoS

attachments

profile

drop

QoS

attachment

overview

port-type

scheduler

statistics

profiles

Q

QoS (quality of service)

administrators of    1, 2

clients of    1, 2

description of

differentiated services

assured forwarding

expedited forwarding

extends Diffserv

features

overview

parameters

terms

QoS cell mode application

configuration example

configuring

overview

QoS commands

qos-mode-port

qos-parameter    1, 2

qos-parameter-define

qos-port-type-profile    1, 2

qos-profile    1, 2, 3, 4, 5, 6, 7, 8, 9, 10

qos-shaping-mode    1, 2, 3

qos-shared-shaper-control command

QoS downstream rate application

configuring

overview

relationship with QoS cell mode

QoS interface sets

terms

QoS parameters

802.3ad link aggregation

audience

configuration examples    1, 2, 3

configuring for QoS administrators

configuring for QoS clients

overview

parameter definitions

assured rate    1, 2

cell byte adjustment    1, 2

configuring

expressions    1, 2, 3

frame byte adjustment    1, 2

IP multicast bandwidth adjustment    1, 2

overview

QoS cell mode    1, 2

QoS downstream rate    1, 2

referencing scheduler profiles

shaping rate    1, 2

shared-shaping rate    1, 2

parameter instances

configuring for an interface

configuring for QoS clients

configuring globally

overview

relationship with other profiles

terminology

using with Service Manager    1, 2

QoS profile

ATM VP attachments

attaching

configuring

interface attachments

monitoring

munged    1, 2

munged attachments

overview

port-type attachments

rules illustrated

S-VLAN attachments

using with Service Manager

QoS shaping mode

configuring    1, 2

overview

qos-profile command

queue bandwidth

queue buffers    1, 2

queue command    1, 2, 3, 4, 5, 6, 7

queue length    1, 2

queue profiles

color-based thresholds

configuring

monitoring

overview

queue-profile command

queues

system resources

R

random early detection.,  See RED    

range command

rate shaping

QoS

rate statistics

rate-period command    1, 2

reaction-factor command

RED (random early detection)

and dynamic queue thresholds

configuration examples    1, 2, 3

configuring

configuring average queue length

configuring color blind RED

configuring colored RED

how it works

monitoring

relative strict-priority scheduling

configuration example

configuring

on ATM modules

minimizing latency on the SAR

oversubscribing

setting burst size in shaping rate

shaping rate for nonstrict queues

tuning latency on strict-priority queues

zero-weight queues

S

S-VLAN

interface attachments

SAR (segmentation and reassembly) scheduler

strict-priority on

scheduler

hierarchy    1, 2

HRR

node, best-effort

best-effort scheduler

profile

configuring

SAR

scheduler hierarchy

monitoring

scheduler map.,  See QoS profile    

scheduler-profile command    1, 2, 3

scheduling

monitoring

shadow nodes

configuration examples

different traffic-class group

same traffic-class group

VLAN and IP queues

configuring

interface types

overview

system resources

shadow-node command

shapeless tunnel    1, 2, 3

shaping

using expressions for    1, 2

shaping mode

configuring    1, 2

overview

shaping rate

for nonstrict queues

setting burst size in

shaping, QoS ATM

cell

frame

shaping-rate command

shared shaping

active constituents

compound

active constituents

configuration

configuration example, VC shared shaping

configuration example, VP shared shaping

configuration limitations

hardware dependency

considerations

constituents

active

comparison of explicit and implicit

inactive

explicit constituents

example

example of weighted

selection    1, 2

implicit constituents

example at best-effort node

example at best-effort queue

example for mixed interface types

selection

selection for compound

selection for simple

inactive constituents

individual shaping and

limiting bandwidth

low-CDV mode

on the SAR, limitations of

overview    1, 2

simple

active constituents

configuration

configuration example, Ethernet

configuration example, VC shared shaping

configuration example, VP shared shaping

controlling the algorithm

example, basic

example, on best-effort scheduler node

traffic starvation

types, simple versus compound    1, 2

shared-shaping-constituent command

shared-shaping-rate command    1, 2, 3

show commands

show aaa qos downstream-rate

show atm interface

show drop-profile

show egress-queue events

show egress-queue rates

show fabric-queue

show interfaces gigabitEthernet

show interfaces lag members

show interfaces tenGigabitEthernet

show qos-parameter

show qos-parameter-define

show qos-port-type profile

show qos-profile

show qos-shared-shaper-control command

show queue-profile

show scheduler-profile

show statistics-profile

show traffic-class

show traffic-class-group

show qos commands

show qos interface-hierarchy

show qos queue-thresholds

show qos scheduler-hierarchy

show qos shared-shaper

simple shared shaping.,  See shared shaping    

statistics

ATM

statistics profile

clearing

committed drop threshold

conformed drop threshold

event statistics

exceeded drop threshold

failover mode    1, 2

forwarding rate threshold

maximum

monitoring

overview

rate period    1, 2, 3

rate statistics

resource use

thresholds

statistics-profile command

strict-priority command

strict-priority scheduling,  See also relative strict-priority scheduling    

true versus relative

subscriber-interface-type command

support, technical,  See technical support    

svlan commands

svlan qos-parameter

svlan qos-profile

T

TCP friendly

technical support

contacting JTAC

text and syntax conventions

traffic classes

configuring

monitoring

multiple, configuration example

overview

traffic flow

traffic-class command    1, 2, 3, 4

traffic-class groups

monitoring

multiple

overview

traffic-class-group command

triple play configurations    1, 2

true strict priority scheduling

V

variables

configuring for shared shaping

VDSL traffic

managing packet fragmentation for

W

weight command    1, 2

weight, QoS

weighted random early detection.,  See WRED    

WRED (weighted random early detection)

configuration examples

configuring

different drop behavior for each queue

different treatment of colored packets

how it works

monitoring

Z

zero-weight queues