Junos Class of Service (JCOS)

Juniper Training
  • Duration: 2 days
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This two-day course provides students with advanced class-of-service (CoS) knowledge and configuration examples. The course begins with an overview of CoS before going into classification, policing, scheduling, and rewriting. The course then covers class-based forwarding and finishes with a case study. Through demonstrations and hands-on labs, students will gain experience in configuring and verifying Junos CoS features. This course is based on the Junos operating system Release 16.2R1.6

  • Objectives 0/0

    After successfully completing this course, you should be able to:
    • Understand the history and evolution of CoS.
    • Identify the CoS fields in various packet headers.
    • List the CoS processing stages on devices running the Junos OS.
    • Identify the default CoS settings on devices running the Junos OS.
    • Configure and verify behavior aggregate (BA) and multifield (MF) classification.
    • Configure and verify two-color and tricolor marking policers.
    • Configure and verify schedulers and their components.
    • Configure and verify the multiple levels of hierarchical schedulers.
    • Configure and verify packet header rewriting.
    • Configure and verify class-based forwarding.
    • Create a CoS configuration based on a set of design requirements

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  • Course Content 0/0

    Day 1
    Chapter 1: Course Introduction
    Chapter 2: CoS Overview
    • CoS History and Evolution
    • CoS and DiffServ
    • 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
    • Lab 7: Case Study
    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

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Price

$1,400.00

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