Juniper Networks Junos Class of Service (JCOS)

Price
$1,900.00 USD

Duration
2 Days

 

Delivery Methods
Virtual Instructor Led
Private Group

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Course Overview

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 case studies that reinforce topics.

Through demonstrations and hands-on labs, students will gain experience in configuring and monitoring the JUNOS Software and monitoring basic device operations.

Course Objectives

  • 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.

Who Should Attend?

This course is intended for network administrators who configure and administer class-of-service features on MX routers running the Junos OS.
  • Top-rated instructors: Our crew of subject matter experts have an average instructor rating of 4.8 out of 5 across thousands of reviews.
  • Authorized content: We maintain more than 35 Authorized Training Partnerships with the top players in tech, ensuring your course materials contain the most relevant and up-to date information.
  • Interactive classroom participation: Our virtual training includes live lectures, demonstrations and virtual labs that allow you to participate in discussions with your instructor and fellow classmates to get real-time feedback.
  • Post Class Resources: Review your class content, catch up on any material you may have missed or perfect your new skills with access to resources after your course is complete.
  • Private Group Training: Let our world-class instructors deliver exclusive training courses just for your employees. Our private group training is designed to promote your team’s shared growth and skill development.
  • Tailored Training Solutions: Our subject matter experts can customize the class to specifically address the unique goals of your team.

Course Prerequisites

  • This is an advanced level course.
  • Students should have intermediate-level networking knowledge and an understanding of the OSI model and the TCP/IP protocol suite. Students should also have familiarity with the Protocol Independent Multicast-Sparse Mode (PIM-SM) protocol.
  • Students should have already attended Introduction to JUNOS Operating Systems (IJOS) , JUNOS Routing Essentials (JRE) and the Junos Intermediate Routing (JIR) courses or have equivalent knowledge provided in these titles.

Agenda

1: Course Introduction

2: CoS Overview

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

3: Packet Classification

  • Classification Overview
  • Forwarding Classes and Packet Loss Priority
  • Fixed Classification
  • Multifield Classification
  • Behavior Aggregate Classification

4: Policing

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

5: Scheduling

  • Scheduling Overview
  • Transmission Rate
  • Queue Priority
  • Delay Buffers
  • Drop Profiles and Drop Profile Maps
  • Scheduling Configuration

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

7: Rewrite Rules

  • Packet Header Rewrite Overview
  • Rewrite Rules and Tables
  • Rewrite Combinations

8: CoS-Based Forwarding

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

9: Case Study

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

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