Junos Class of Service (JCOS) - Outline

Detailed Course Outline

Chapter 1: Course Introduction

Chapter 2: CoS Overview

• CoS History and Evolution
• CoS and DiffServe
• CoS Fields in Packet Headers
• CoS Processing

Chapter 3: Packet Classification

• Classification Overview
• Forwarding Classes and Packet Loss Priority
• Fixed Classification
• Multifield Classification
• Behavior Aggregate Classification
• Lab 1: Configuring Packet Classification

Chapter 4: Policing

• Policing Overview
• Single-Rate Two-Color Policer
• Tricolor Marking Policers
• Hierarchical Policers
• Application—Directly on an Interface
• Application—Within a Firewall Filter
• Lab 2: Configuring Policers

Chapter 5: Scheduling

• Scheduling Overview
• Transmission Rate
• Queue Priority
• Delay Buffers
• Drop Profiles and Drop Profile Maps
• Scheduling Configuration
• Lab 3: Configuring Schedulers

Day 2

Chapter 6: Hierarchical Scheduling

• Hierarchical Scheduling Overview
• Scheduler Modes
• Hierarchical Scheduling Levels
• Throughput Example
• Remaining Traffic
• Queue Properties in a Hierarchical Scheduling Context
• Putting It All Together
• Lab 4: Configuring Hierarchical Schedulers

Chapter 7: Rewrite Rules

• Packet Header Rewrite Overview
• Rewrite Rules and Tables
• Rewrite Combinations
• Lab 5: Configuring Rewrite Rules

Chapter 8: CoS-Based Forwarding

• CBF Overview
• CBF Configuration
• Lab 6: Configuring CBF

Chapter 9: Case Study

• VOIP Case Study Overview
• VOIP Case Study: Ingress Node
• VOIP Case Study: Transit and Egress Nodes

Appendix A: CoS Processing on M Series, T Series, and MX Series Devices

• M Series and T Series Architecture
• M Series and T Series CoS Packet Handling
• IQ2 PIC CoS Packet Handling
• MX Series (DPC and MPC/MIC) Architecture and CoS Packet Handling