TechLibrary

Hierarchical Schedulers
Hierarchical Schedulers Terminology Understanding Two-Level and Three-level Hierarchical CoS for Subscriber Interfaces on MX Series Routers Interface Set Caveats Hierarchical Schedulers and Traffic Control Profiles Hierarchical Schedulers on Aggregated Ethernet Interfaces Overview PIR-Only and CIR Mode Priority Propagation

Hierarchical Schedulers

Hierarchical Schedulers Terminology

Understanding Two-Level and Three-level Hierarchical CoS for Subscriber Interfaces on MX Series Routers

Interface Set Caveats

Hierarchical Schedulers and Traffic Control Profiles

Hierarchical Schedulers on Aggregated Ethernet Interfaces Overview

PIR-Only and CIR Mode

Priority Propagation

Hierarchical Queues
Understanding Fine-Grained Queuing for Hierarchical Scheduling Jitter Reduction in Hierarchical CoS Queues

Hierarchical Queues

Understanding Fine-Grained Queuing for Hierarchical Scheduling

Jitter Reduction in Hierarchical CoS Queues

Configuration for Schedulers
Configuring Schedulers Configuring the Scheduler Buffer Size Configuring Drop Profile Maps for Schedulers Configuring Scheduler Transmission Rate Configuring Schedulers for Priority Scheduling Configuring Per-Unit Schedulers for Channelized Interfaces Configuring the Shaping Rate for Physical Interfaces Oversubscribing Interface Bandwidth Providing a Guaranteed Minimum Rate Associating Schedulers with Fabric Priorities

Configuration for Schedulers

Configuring Schedulers

Configuring the Scheduler Buffer Size

Configuring Drop Profile Maps for Schedulers

Configuring Scheduler Transmission Rate

Configuring Schedulers for Priority Scheduling

Configuring Per-Unit Schedulers for Channelized Interfaces

Configuring the Shaping Rate for Physical Interfaces

Oversubscribing Interface Bandwidth

Providing a Guaranteed Minimum Rate

Associating Schedulers with Fabric Priorities

Configuration for Queue-Level Bandwidth Sharing
Configuring Rate Limits on Nonqueuing Packet Forwarding Engines Excess Rate and Excess Priority Configuration Examples

Configuration for Queue-Level Bandwidth Sharing

Configuring Rate Limits on Nonqueuing Packet Forwarding Engines

Excess Rate and Excess Priority Configuration Examples

Configuration for Schedulers on Specific Interface Types
Configuring the Number of Schedulers for Ethernet IQ2 PICs Configuring Rate Limiting and Sharing of Excess Bandwidth on Multiservices PICs Example: Configuring VLAN Shaping on Aggregated Interfaces

Configuration for Schedulers on Specific Interface Types

Configuring the Number of Schedulers for Ethernet IQ2 PICs

Configuring Rate Limiting and Sharing of Excess Bandwidth on Multiservices PICs

Example: Configuring VLAN Shaping on Aggregated Interfaces

Configuration for Scheduler Maps
Configuring Scheduler Maps Applying Scheduler Maps to Physical Interfaces Applying Scheduler Maps to Packet Forwarding Component Queues

Configuration for Scheduler Maps

Configuring Scheduler Maps

Applying Scheduler Maps to Physical Interfaces

Applying Scheduler Maps to Packet Forwarding Component Queues

Configuration for Scheduler Maps on Specific Interface Types
Applying Scheduler Maps and Shaping Rate to Physical Interfaces on IQ PICs Applying Scheduler Maps and Shaping Rate to DLCIs and VLANs Applying Scheduling and Shaping to VLANs Scaling of Per-VLAN Queuing on Non-Queuing MPCs

Configuration for Scheduler Maps on Specific Interface Types

Applying Scheduler Maps and Shaping Rate to Physical Interfaces on IQ PICs

Applying Scheduler Maps and Shaping Rate to DLCIs and VLANs

Applying Scheduling and Shaping to VLANs

Scaling of Per-VLAN Queuing on Non-Queuing MPCs

Configuration for Hierarchical Scheduling
Configuring Hierarchical Schedulers for CoS Configuring Hierarchical Schedulers on Aggregated Ethernet Interfaces Configuring Interface Sets Applying Interface Sets Controlling Remaining Traffic Configuring Internal Scheduler Nodes Example: Four-Level Hierarchy of Schedulers Example: Reducing Jitter in Hierarchical CoS Queues

Configuration for Hierarchical Scheduling

Configuring Hierarchical Schedulers for CoS

Configuring Hierarchical Schedulers on Aggregated Ethernet Interfaces

Configuring Interface Sets

Applying Interface Sets

Controlling Remaining Traffic

Configuring Internal Scheduler Nodes

Example: Four-Level Hierarchy of Schedulers

Example: Reducing Jitter in Hierarchical CoS Queues

Configuration Statements
buffer-size (Schedulers) delay-buffer-rate drop-profile-map (Schedulers) excess-bandwidth-share excess-priority excess-rate fabric (Class-of-Service) forwarding-class (Interfaces) guaranteed-rate hierarchical-scheduler hierarchical-scheduler (Subscriber Interfaces on MX Series Routers) input-traffic-control-profile input-traffic-control-profile-remaining interfaces interface-set (Ethernet Interfaces) interface-set (Hierarchical Schedulers) internal-node loss-priority (Scheduler Drop Profiles) max-queues member-link-scheduler output-traffic-control-profile output-traffic-control-profile-remaining overhead-accounting per-unit-scheduler priority (Fabric Queues, Schedulers) priority (Schedulers) protocol (Schedulers) scheduler (Fabric Queues) scheduler (Scheduler Map) scheduler-map (Fabric Queues) scheduler-map (Interfaces and Traffic-Control Profiles) scheduler-map-chassis scheduler-maps (For Most Interface Types) schedulers (Class of Service) schedulers (Interfaces) shaping-rate (Applying to an Interface) shaping-rate (Oversubscribing an Interface) traffic-control-profiles transmit-rate (Schedulers) unit

Configuration Statements

buffer-size (Schedulers)

delay-buffer-rate

drop-profile-map (Schedulers)

excess-bandwidth-share

excess-priority

excess-rate

fabric (Class-of-Service)

forwarding-class (Interfaces)

guaranteed-rate

hierarchical-scheduler

hierarchical-scheduler (Subscriber Interfaces on MX Series Routers)