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Table of Contents

QUALITY OF SERVICE GUIDE
Preface
Preface
About This Guide
Audience
List of Technical Publications
Searching for Information
To search for specific information in this guide
To search for specific information in multiple documents
Technical Support
Getting Started
In This Chapter
Alcatel-Lucent 7750 SR-Series Services Configuration Process
QoS Policies
In This Chapter
In This Chapter
QoS Overview
QoS Policies
Service and Network QoS Policies
Network QoS Policies
Network Queue QoS Policies
Queue Parameters
Queue ID
Unicast or Multipoint Queue
Queue Hardware Scheduler
Committed Information Rate
Peak Information Rate
Adaptation Rule
QoS Enhancements
Committed Burst Size
Maximum Burst Size
High-Priority Only Buffers
Packet Markings
Queue Counters
Queue-Types
Color Aware Profiling (Policing)
Service Ingress QoS Policies
FC Mapping Based on EXP Bits at VLL/VPLS SAP
Egress Forwarding Class Override
Service Egress QoS Policies
Named Pool Policies
Slope Policies
RED Slopes
Operation and Configuration
Tuning the Shared Buffer Utilization Calculation
Slope Policy Parameters
Scheduler Policies
Virtual Hierarchical Scheduling
Tiers
Single Tier Scheduling
Hierarchical Scheduler Policies
Hierarchical Virtual Schedulers
Scheduler Policies Applied to Applications
Scheduler Policies Applied to SAPs
Customer Service Level Agreement (SLA)
Scheduler Policies Applied to Multi-Service Sites
Forwarding Classes
High-Priority Classes
Assured Classes
Best-Effort Classes
Shared Queues
ATM Traffic Descriptor Profiles
QoS Policy Entities
Frequently Used QoS Terms
Above CIR Distribution
Available Bandwidth
CBS
CIR
CIR Level
CIR Weight
Child
Level
MBS
MCR
Offered Load
Orphan
Parent
Queue
Rate
Root (Scheduler)
Scheduler Policy
Tier
Virtual Scheduler
Weight
Within CIR Distribution
Configuration Notes
Network QoS Policies
In This Section
In This Section
Overview
Network Ingress Tunnel QoS Override
For Tunnel Terminated IP Routing Decisions
Normal QoS Operation
Network Ingress IP Match Criteria
Network Ingress IPv6 Match Criteria
Tunnel Termination QoS Override Operation
Enabling and Disabling Tunnel Termination QoS Override
QoS for Self-Generated (CPU) Traffic
Default DSCP Mapping Table
Basic Configurations
Create a Network QoS Policy
Create a Network QoS Policy
Applying Network Policies
Default Network Policy Values
Service Management Tasks
Deleting QoS Policies
Remove a Policy from the QoS Configuration
Copying and Overwriting Network Policies
Editing QoS Policies
Network QoS Policy Command Reference
Command Hierarchies
Configuration Commands
Self-Generated Traffic Commands
Operational Commands
Show Commands
Configuration Commands
Generic Commands
Operational Commands
Multi-Link Frame Relay Commands
Network QoS Policy Commands
Network Ingress QoS Policy Commands
Network Egress QoS Policy Commands
Network Egress QoS Policy Forwarding Class Commands
Self-Generated Traffic Commands
Show Commands
Network Queue QoS Policies
In This Section
In This Section
Overview
Network Queue Parent Scheduler
Basic Configurations
Create a Network Queue QoS Policy
Create a Network Queue QoS Policy
Applying Network Queue Policies
MDAs
Ethernet Ports
SONET/SDH Ports
Default Network Queue Policy Values
Service Management Tasks
Deleting QoS Policies
Deleting QoS Policies
Remove a Policy from the QoS Configuration
Copying and Overwriting QoS Policies
Editing QoS Policies
Network Queue QoS Policy Command Reference
Command Hierarchies
Configuration Commands
Operational Commands
Show Commands
Configuration Commands
Generic Commands
Operational Commands
Network Queue QoS Policy Commands
Show Commands
Service Egress and Ingress QoS Policies
In This Section
In This Section
Overview
Egress SAP Forwarding Class and Forwarding Profile Overrides
SAP Egress QoS Policy Modifications
Hardware Support
DEI Egress Remarking
DEI in IEEE 802.1ad
DEI in IEEE 802.1ah
IEEE 802.1ad Use Case
IEEE 802.1ah Use Case
Egress FC-Based Remarking
Implementation Requirements
Default Service Egress and Egress Policy Values
SAP Egress Policy
Default SAP Ingress Policy
Basic Configurations
Create Service Egress and Ingress QoS Policies
Percent-Rate Support
Service Egress QoS Policy
Service Egress QoS Queue
Egress Criteria Classification Directly to Policer
Service Ingress QoS Policy
Service Ingress QoS Queue
SAP Ingress Forwarding Class (FC)
Service Ingress IP Match Criteria
Service Ingress IPv6 Match Criteria
Service Ingress MAC Match Criteria
Ingress Criteria Classification Directly to Policer
FC Mapping Based on EXP Bits
VID Filters
Arbitrary Bit Matching of VID Filters
QoS and VID Filters
Port Group Configuration Example
Applying Service Ingress and Egress Policies
Epipe
IES
VPLS
VPRN
Service Management Tasks
Deleting QoS Policies
Remove a QoS Policy from Service SAP(s)
Copying and Overwriting QoS Policies
Remove a Policy from the QoS Configuration
Editing QoS Policies
Queue Depth Monitoring
Service SAP QoS Policy Command Reference
Command Hierarchies
Service Ingress QoS Policy Commands
Service Egress QoS Policy Commands
Operational Commands
Show Commands
Configuration Commands
Generic Commands
Operational Commands
Service Ingress QoS Policy Commands
Service Ingress QoS Policy Forwarding Class Commands
Service Ingress QoS Policy Entry Commands
IP QoS Policy Match Commands
Service Ingress MAC QoS Policy Match Commands
Service Egress QoS Policy Forwarding Class Commands
Service Queue QoS Policy Commands
Show Commands
Queue Sharing and Redirection
In This Section
In This Section
Queue Sharing and Redirection
Supported Platforms
Queue Group Applications
Access SAP Queue Group Applications
Network Port Queue Groups for IP Interfaces
Pseudowire Shaping for Layer 2 and Layer 3 Services
QoS on Ingress Bindings
Queue Group Templates and Port Queue Groups
Queue Group Templates
Port Queue Groups
Percent-Rate Support
Forwarding Plane Queue Groups
Redirection Models
Access SAP Forwarding Class Based Redirection
Ingress and Egress SAP Forwarding Class Redirection Association Rules
Policy Based Provisioning Model
SAP-Based Provisioning Model
Access Queue Group Statistics
Port Queue Groups
Forwarding Plane Queue Groups
Network IP Interface Forwarding Class-Based Redirection
Egress Network Forwarding Class Redirection Association Rules
Egress Network IP Interface Statistics
Separate Ingress IPv4 and IPv6 Statistics
Ingress PW Shaping Using Spoke-SDP Forwarding Class-Based Redirection
Feature Configuration
Provisioning Model
Ingress Packet Classification
Egress PW Shaping using Spoke-SDP Forwarding Class-Based Redirection
Feature Configuration
Provisioning Model
Egress Marking of PW Packet Header
Egress Packet Re-Classification Based on IPv4/IPv6 Criteria
Ingress Per SAP Statistics with Ingress Queue Groups
Ingress and Egress PW Statistics
Queue Group Behavior on LAG
Queue Group Queue Instantiation Per Link
Per Link Queue Group Queue Parameters
Adding a Queue Group to an Existing LAG
Removing a Queue Group from a LAG
Adding a Port to a LAG
Basic Configurations
Configuring an Ingress Queue Group Template
Configuring an Ingress Queue Group Template
Configuring Egress Queue Group Template
Applying Ingress Queue Group to SAP Ingress Policy
Applying Egress Queue Group to SAP Egress Policy
SAP-based Egress Queue Re-direction
Configuring Queue Group on Ethernet Access Ingress Port
Configuring Overrides
Configuring Queue Group on Ethernet Access Egress Port
Configuring Queue Group for Network Egress Traffic on Port
Configuring Queue Group for Network Ingress Traffic on Forwarding Plane
Using Queue Groups to Police Ingress/Egress Traffic on Network Interface
Configuring Ingress/Egress PW Shaping Using Spoke-SDP Forwarding Class-Based Redirection
Specifying QoS Policies on Service SAPs
QoS Queue Group Template Command Reference
Command Hierarchies
Configuring Egress Queue Group Templates
Configuring Ingress Queue Group Templates
Show Commands
Monitor Commands
Configuration Commands
Generic Commands
Queue Group Commands
Show Commands
Monitor Commands
QoS Scheduler Policies
In This Section
In This Section
Overview
Scheduler Policies
Egress Port-Based Schedulers
Service/Subscriber Egress Port Bandwidth Allocation
Service or Subscriber Scheduler Child to Port Scheduler Parent
Direct Service or Subscriber Queue Association to Port Scheduler Parents
Frame and Packet-Based Bandwidth Allocation
Queue Parental Association Scope
Service or Subscriber-Level Scheduler Parental Association Scope
Network Queue Parent Scheduler
Foster Parent Behavior for Orphaned Queues and Schedulers
Congestion Monitoring on Egress Port Scheduler
Scalability, Performance, and Operation
Restrictions
Frame-Based Accounting
Operational Modifications
Existing Egress Port Based Virtual Scheduling
Queue Behavior Modifications for Frame Based Accounting
Virtual Scheduler Rate and Queue Rate Parameter Interpretation
Virtual Scheduling Unused Bandwidth Distribution
Default Unused Bandwidth Distribution
Limit Unused Bandwidth
Configuring Port Scheduler Policies
Port Scheduler Structure
Special Orphan Queue and Scheduler Behavior
Packet to Frame Bandwidth Conversion
Aggregate Rate Limits for Directly Attached Queues
SAP Egress QoS Policy Queue Parenting
Network Queue QoS Policy Queue Parenting
Egress Port Scheduler Overrides
Applying a Port Scheduler Policy to a Virtual Port
Applying Aggregate Rate Limit to a VPORT
Applying a Scheduler Policy to a VPORT
Weighted Scheduler Group in a Port Scheduler Policy
Basic Configurations
Create a QoS Scheduler Policy
Applying Scheduler Policies
Customer
Epipe
IES
VPLS
VPRN
Creating a QoS Port Scheduler Policy
Configuring Port Parent Parameters
Within-CIR Priority Level Parameters
Above-CIR Priority Level Parameters
Configuring Distributed LAG Rate
Service Management Tasks
Deleting QoS Policies
Removing a QoS Policy from a Customer Multi-Service Site
Removing a QoS Policy from SAP(s)
Removing a Policy from the QoS Configuration
Copying and Overwriting Scheduler Policies
Editing QoS Policies
QoS Scheduler Policy Command Reference
Command Hierarchies
Scheduler Policy Configuration Commands
Port Scheduler Policy Configuration Commands
Operational Commands
Show Commands
Clear Commands
Generic Commands
Operational Commands
Scheduler Policy Commands
Port Scheduler Policy Commands
Show Commands
Clear Commands
Slope QoS Policies
In This Section
In This Section
Overview
Basic Configurations
Create a Slope QoS Policy
Applying Slope Policies
Global
MDA
MDA Ports
Default Slope Policy Values
Deleting QoS Policies
Global
MDA
MDA Ports
Remove a Policy from the QoS Configuration
Copying and Overwriting QoS Policies
Editing QoS Policies
Slope QoS Policy Command Reference
Command Hierarchies
Configuration Commands
Operational Commands
Show Commands
Configuration Commands
Generic Commands
Operational Commands
Slope Policy QoS Commands
Slope Policy QoS Policy Commands
RED Slope Commands
Show Commands
Shared-Queue QoS Policies
In This Section
In This Section
Overview
Multipoint Shared Queuing
Ingress Queuing Modes of Operation
Ingress Service Queuing
Ingress Shared Queuing
Ingress Multipoint Shared Queuing
Basic Configurations
Modifying the Default Shared-Queue Policy
Applying Shared-Queue Policies
Epipe Services
IES Services
VPLS Services
VPRN Services
Default Shared Queue Policy Values
Shared-Queue QoS Policy Command Reference
Command Hierarchies
Configuration Commands
Show Commands
Configuration Commands
Generic Commands
Shared Queue QoS Commands
Show Commands
Advanced QoS Policies
In This Section
In This Section
Overview
Basic Configurations
Create an Advanced QoS Policy
Applying Advanced Policies
Queue Group
SAP Ingress
SAP Egress
Default Advanced Policy Values
Deleting QoS Policies
Queue Group
SAP Ingress
SAP Egress
Copying and Overwriting Advanced Policies
Editing Advanced Policies
Advanced QoS Policy Command Reference
Command Hierarchies
Configuration Commands
Operational Commands
Show Commands
Configuration Commands
Generic Commands
Operational Commands
Advanced Policy QoS Commands
Show Commands
QoS ATM Traffic Descriptor Profiles
Overview
ATM Traffic Descriptor Profiles
ATM Traffic Management
QoS Model for ATM-Based Services
ATM Service Categories
ATM Traffic Descriptors and QoS Parameters
Policing
Shaping
ATM Queuing and Scheduling
Congestion Avoidance
Basic Configurations
Create an ATM-TD-Profile QoS Policy
Applying ATM-TD-Profile Policies
ATM VLL (Apipe) SAPs
Epipe SAPs
IES SAPs
Ipipe SAPs
VPRN SAPs
VPLS SAPs
Default ATM-TD-Profile Policy Values
Service Management Tasks
Removing a Profile from the QoS Configuration
Copying and Overwriting Profile
Editing QoS Policies
ATM QoS Policy Command Reference
Command Hierarchies
Configuration Commands
Operational Commands
Show Commands
Configuration Commands
Generic Commands
Operational Commands
ATM QoS Policy Commands
Show Commands
Named Pools
In This Section
In This Section
Overview
Named Pool Mode for IOM3-XP Card
Named Pool Mode for IOM3-XP Card
Basic Configuration
Create a Named Pool QoS Policy
Named pool Configuration Procedure
Allocation Steps
Named Pools QoS Policy Command Reference
Command Hierarchies
Configuration Commands
Show Commands
Configuration Commands
Generic Commands
Named Pool Policy Creation
Service Ingress and Egress QoS Policy Commands
Shared Queue QoS Commands
Network Queue QoS Policy Commands
Show Commands
Named Pool Show Commands
High Scale Ethernet MDA Capabilities
In This Section
In This Section
HSMDA QoS Model
Queue Scaling
Port-Based Scheduling
Dual Pass Queuing
Egress Intermediate Destination Secondary Shapers
Packet and Octet Counting
Above CIR Discard with PIR Bypass
HSMDA Ingress Queue Policing Mode
HSMDA Buffer Utilization Controls
HSMDA Buffer Pools
Identifying Queue Groups as Provisioned or System
Provisioned and System Port Class Pools
Aggregate Pools for Type and Class Separation
Use of Aggregate Control Buffer Pools
HSMDA Buffer Pool Policy
Default HSMDA Buffer Pool Policy
Port Class Pool Sizing
HSMDA Available Buffer Register Operation
HSMDA Queue Congestion and Buffer Utilization Controls
Maximum HSMDA Queue Depth
Control Plane HSMDA RED Slope Policy Management
HSMDA Slope Policy MBS Parameter
HSMDA Slope Policy Slope Parameters
HSMDA Slope Shutdown Behavior
Ingress Packet Mapping to HSMDA RED Slope
Egress Packet Mapping to HSMDA RED Slope
HSMDA Queue Congestion or Pool Congestion Discard Stats
Egress Queue CIR Based Dot1P Remarking
SAP Ingress and SAP Egress QoS Policies
SAP Ingress QoS Policy
SAP Egress QoS Policy
Subscriber Queuing Differences
HSMDA Features
HSMDA LAG
Billing
Resource Management
HSMDA Queue Groups
Scheduling Classes
Scheduling Class Weighted Groups
Scheduler Strict Priority Levels
Strict Priority Level PIR
Scheduler Maximum Rate
HSMDA Scheduler Policy Overrides
Orphan Queues
Default HSMDA Scheduling Policy
Basic HSMDA Configurations
HSMDA Pool Policies
HSMDA Scheduler Policies
HSMDA Slope Policies
Egress Queue Group
Configuring HSMDA Queue Group Overrides
Applying HSMDA Policies
HSMDA Command Reference
Command Hierarchies
Show Commands
Configuration Commands
Generic Commands
HSMDA Pool QoS Policy Commands
HSMDA Scheduler QoS Policy Commands
HSMDA Slope QoS Policy Commands
HSMDA WRR QoS Policy Commands
Show QoS HSMDA Commands
QoS in MC-MLPPP
Overview
Ingress MLPPP Class Reassembly
Configuring MC-MLPPP QoS Parameters
Basic Configurations
Configuring MC-MLPPP
QoS in MLFR and FRF.12 Fragmentation
QoS in MLFR
QoS in FRF.12 End-to-End Fragmentation
MLPPP Command Reference
Command Hierarchies
Configuration Commands
Configuration Commands
MC-MLPPP Commands
Class Fair Hierarchical Policing (CFHP)
In This Section
In This Section
Introduction
Parent Policer Priority and Unfair Sensitive Discard Thresholds
CFHP Ingress and Egress Use Cases
Post-CFHP Queuing and Scheduling
Ingress CFHP Queuing
Egress CFHP Queuing
Policer to Local Queue Mapping
Egress Subscriber CFHP Queuing
Subscriber Destination String Queue Group Identification
SAP Default Destination String
CFHP Policer Control Policy
Policer Control Policy Root Arbiter
Tier 1 and Tier 2 Explicit Arbiters
Explicit Arbiter Rate Limits
CFHP Child Policer Definition and Creation
Policer Enabled SAP QoS Policy Applicability
Child Policer Parent Association
Profile Capped Policers
Policer Interaction with Initial Profile, Discard Eligibility, and Ingress Priority
Ingress ‘Undefined’ Initial Profile
Ingress Explicitly ‘In-Profile’ State Packet Handling without Profile-Capped Mode
Ingress Explicitly ‘In-Profile’ State Packet Handling with Profile-Capped Mode
Ingress Explicit ‘Out-of-Profile’ State Packet Handling
Egress Explicit Profile Reclassification
Preserving Out of Profile State at Egress Policer
Egress Policer CIR Packet Handling without Profile Capped Mode
Egress Policer CIR Packet Handling with Profile Capped Mode
Ingress Child Policer Stat-Mode
Egress Child Policer Stat-Mode
Profile Preferred Mode Root Policers
Interaction Between Profile Preferred and Profile Capped Mode
Class Fair Hierarchical Policing (CFHP) Policy Command Reference
Command Hierarchies
Configuration Commands
Generic Commands
Standards and Protocol Support