TechLibrary

Shaping-Rate Adjustments
Hierarchical CoS Shaping-Rate Adjustments Overview Shaping Rate Adjustments for Subscriber Local Loops Overview CoS Adjustment Control Profiles Overview

Shaping-Rate Adjustments

Hierarchical CoS Shaping-Rate Adjustments Overview

Shaping Rate Adjustments for Subscriber Local Loops Overview

CoS Adjustment Control Profiles Overview

Traffic Distribution
Bandwidth Management for Downstream Traffic in Edge Networks Overview Excess Bandwidth Distribution on MIC and MPC Interfaces Overview Traffic Burst Management on MIC and MPC Interfaces Overview Distribution of Demux Subscribers in an Aggregated Ethernet Interface Setting Class-of-Service Parameters Using PPPoE Vendor-Specific Tags

Traffic Distribution

Bandwidth Management for Downstream Traffic in Edge Networks Overview

Excess Bandwidth Distribution on MIC and MPC Interfaces Overview

Traffic Burst Management on MIC and MPC Interfaces Overview

Distribution of Demux Subscribers in an Aggregated Ethernet Interface

Setting Class-of-Service Parameters Using PPPoE Vendor-Specific Tags

Scaling
Dedicated Queue Scaling for CoS Configurations on MIC and MPC Interfaces Overview Subscriber Management Scaling Values [XLS]

Scaling

Dedicated Queue Scaling for CoS Configurations on MIC and MPC Interfaces Overview

Subscriber Management Scaling Values [XLS]

Best Practices
Guidelines for Configuring Dynamic CoS for Subscriber Access Guidelines for Configuring Shaping-Rate Adjustments for Subscriber Local Loops

Best Practices

Guidelines for Configuring Dynamic CoS for Subscriber Access

Guidelines for Configuring Shaping-Rate Adjustments for Subscriber Local Loops

Configuration Tasks for Adjustment Control Profiles
Configuring CoS Adjustment Control Profiles

Configuration Tasks for Adjustment Control Profiles

Configuring CoS Adjustment Control Profiles

Configuration Tasks for Shaping-Rate Adjustments
Configuring the Minimum Adjusted Shaping Rate on Scheduler Nodes for Subscribers Configuring Shaping-Rate Adjustments on Queues Enabling Shaping-Rate Adjustments for Subscriber Local Loops Disabling Shaping-Rate Adjustments for Subscriber Local Loops Disabling Hierarchical Bandwidth Adjustment for Subscriber Interfaces with Reverse-OIF Mapping Configuring the Shaping Rate and Overhead Accounting Based on PPPoE Vendor-Specific Tags on Dynamic Subscriber Interfaces Configuring Scheduler and Scheduler Map Sharing

Configuration Tasks for Shaping-Rate Adjustments

Configuring the Minimum Adjusted Shaping Rate on Scheduler Nodes for Subscribers

Configuring Shaping-Rate Adjustments on Queues

Enabling Shaping-Rate Adjustments for Subscriber Local Loops

Disabling Shaping-Rate Adjustments for Subscriber Local Loops

Disabling Hierarchical Bandwidth Adjustment for Subscriber Interfaces with Reverse-OIF Mapping

Configuring the Shaping Rate and Overhead Accounting Based on PPPoE Vendor-Specific Tags on Dynamic Subscriber Interfaces

Configuring Scheduler and Scheduler Map Sharing

Configuration Tasks for Traffic Distribution
Configuring Dynamic Shaping Parameters to Account for Overhead in Downstream Traffic Rates Managing Excess Bandwidth Distribution for Dynamic CoS on MIC and MIC Interfaces Providing Accurate Scheduling for a Demux Subscriber Interface of Aggregated Ethernet Links

Configuration Tasks for Traffic Distribution

Configuring Dynamic Shaping Parameters to Account for Overhead in Downstream Traffic Rates

Managing Excess Bandwidth Distribution for Dynamic CoS on MIC and MIC Interfaces

Providing Accurate Scheduling for a Demux Subscriber Interface of Aggregated Ethernet Links

Configuration Tasks for Scaling
Managing Dedicated and Remaining Queues for Dynamic CoS Configurations on MIC and MPC Interfaces

Examples
Example: Configuring Initial CoS Parameters Dynamically Obtained from RADIUS Example: Configuring Dynamic Shaping Parameters to Account for Overhead in Downstream Traffic Rates Example: Configuring Hierarchical CoS Shaping-Rate Adjustments for Subscriber Local Loops

Examples

Example: Configuring Initial CoS Parameters Dynamically Obtained from RADIUS

Example: Configuring Dynamic Shaping Parameters to Account for Overhead in Downstream Traffic Rates

Example: Configuring Hierarchical CoS Shaping-Rate Adjustments for Subscriber Local Loops

Configuration Statements
[edit dynamic-profiles] Hierarchy Level [edit class-of-service] Hierarchy Level adjustment-control-profiles adjust-minimum adjust-percent ancp application buffer-size bytes cell-mode class-of-service delay-buffer-rate dynamic-class-of-service-options excess-priority excess-rate (Dynamic Schedulers) excess-rate (Dynamic Traffic Shaping) excess-rate-high (Dynamic Traffic Shaping) excess-rate-low (Dynamic Traffic Shaping) frame-mode guaranteed-rate interfaces max-queues-per-interface multicast no-qos-adjust overhead-accounting pppoe-tags radius-coa routing-options schedulers shaping-rate targeted-distribution traffic-control-profiles transmit-rate unit vendor-specific-tags

Configuration Statements

[edit dynamic-profiles] Hierarchy Level

[edit class-of-service] Hierarchy Level

adjustment-control-profiles

dynamic-class-of-service-options

excess-priority

excess-rate (Dynamic Schedulers)

excess-rate (Dynamic Traffic Shaping)

excess-rate-high (Dynamic Traffic Shaping)

excess-rate-low (Dynamic Traffic Shaping)

frame-mode

guaranteed-rate

interfaces

max-queues-per-interface

targeted-distribution

traffic-control-profiles

transmit-rate

unit

vendor-specific-tags

Monitoring CoS for Subscriber Access
Verifying the Scheduling and Shaping Configuration for Subscriber Access Verifying the Number of Dedicated Queues Configured on MIC and MPC Interfaces Verifying the Distribution of Demux Subscribers in an Aggregated Ethernet Interface Verifying the Configuration of Shaping-Rate Adjustments for Subscriber Local Loops Verifying the Configuration of ANCP for Shaping-Rate Adjustments Verifying the CoS Adjustment Control Profile Configuration

Monitoring CoS for Subscriber Access

Verifying the Scheduling and Shaping Configuration for Subscriber Access

Verifying the Number of Dedicated Queues Configured on MIC and MPC Interfaces

Verifying the Distribution of Demux Subscribers in an Aggregated Ethernet Interface

Verifying the Configuration of Shaping-Rate Adjustments for Subscriber Local Loops

Verifying the Configuration of ANCP for Shaping-Rate Adjustments

Verifying the CoS Adjustment Control Profile Configuration

Monitoring Commands
show class-of-service show class-of-service interface show class-of-service interface-set show class-of-service scheduler-map show class-of-service traffic-control-profile show class-of-service adjustment-control-profile

Monitoring Commands

show class-of-service

show class-of-service interface

show class-of-service interface-set

show class-of-service scheduler-map

show class-of-service traffic-control-profile

show class-of-service adjustment-control-profile

Troubleshooting
Acquiring Troubleshooting Information
COSD System Log Messages
Collecting Subscriber Access Logs Before Contacting Juniper Technical Support
Knowledge Base
http://kb.juniper.net/

Acquiring Troubleshooting Information
COSD System Log Messages Collecting Subscriber Access Logs Before Contacting Juniper Technical Support

Knowledge Base
http://kb.juniper.net/

Supported Platforms

MX Series

Downloads

Junos OS Subscriber Access Configuration Guide