Technical Documentation

Technical Documentation

CoS for Subscriber Access, Release 10.1

In a subscriber access environment, service providers want to provide video, voice, and data services over the same network for subscribers. You can use JUNOS CoS features to provide hierarchical scheduling for subscribers by dynamically adding or deleting queues when subscribers require services.

OverviewConfigurationAdministrationTroubleshooting
Configuration Overview

Configuring Static Scheduling and Queuing in a Dynamic Profile for Subscriber Access

Configuring Dynamic Scheduling and Queuing in a Dynamic Profile for Subscriber Access

Configuring Initial CoS Parameters Dynamically Obtained from RADIUS

Configuration Tasks for Scheduling and Queuing

Configuring Traffic Scheduling and Shaping for Subscriber Access

Configuring Schedulers for Subscriber Access in a Dynamic Profile

Configuring User-Defined CoS Variables in a Dynamic Service Profile

Configuration Tasks for Applying CoS to Interfaces

Configuring CoS on a Set of Static IP Demux Interfaces

Configuring Hierarchical CoS for a Subscriber Interface of Aggregated Ethernet Links

Configuring Hierarchical CoS on a Static PPPoE Subscriber Interface

Applying a Rewrite Rule Definition to a Subscriber Interface in a Dynamic Profile

Applying a Classifier to a Subscriber Interface in a Dynamic Profile

Applying Traffic Shaping and Scheduling to a Subscriber Interface in a Dynamic Profile

Configuration Tasks for Hierarchical Bandwidth Adjustment

Enabling CoS Shaping-Rate Adjustments for Subscriber Local Loops

Disabling CoS Shaping-Rate Adjustments for Subscriber Local Loops

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

Examples

Example: Configuring Static Scheduling and Queuing for Subscriber Access

Example: Configuring Dynamic Scheduling and Queuing for Subscriber Access

Example: Providing Unique Rate Configurations for Schedulers in a Dynamic Profile

Example: Configuring Initial CoS Parameters Dynamically Obtained from RADIUS

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

Example: Configuring Aggregate Scheduling of Queues for Residential Subscribers on Static IP Demux Interfaces

Example: Configuring Hierarchical Scheduling and Queuing for a Static PPPoE Subscriber Interface

Example: Configuring Hierarchical Scheduling and Queuing for an Underlying Static PPPoE Subscriber Interface

Example: Configuring Hierarchical Scheduling and Queuing for an Interface Set of Static PPPoE Subscriber Interfaces

Configuration Statements

[edit dynamic-profiles] Hierarchy Level

buffer-size

class-of-service

classifiers

delay-buffer-rate

drop-profile

drop-profile-map

dscp (Dynamic Classifiers)

dscp (Dynamic Rewrite Rules)

dscp-ipv6 (Dynamic Classifiers)

dscp-ipv6 (Dynamic Rewrite Rules)

forwarding-class

guaranteed-rate

ieee-802.1 (Dynamic Classifiers)

ieee-802.1 (Dynamic Rewrite Rules)

inet-precedence (Dynamic Classifiers)

inet-precedence (Dynamic Rewrite Rules)

interfaces

loss-priority

no-qos-adjust

output-traffic-control-profile

priority

protocol

rewrite-rules

scheduler

scheduler-map

scheduler-maps

schedulers

shaping-rate

traffic-control-profiles

transmit-rate

unit

vlan-tag (Dynamic Classifiers)

vlan-tag (Dynamic Rewrite Rules)