Junos Class of Service (JCOS)

Course Outline

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.

Prerequisites & Audience

Students should attend the Introduction to the Junos Operating System (WGAC-JUN-IJOS) course the Junos Routing Essentials (WGAC-JUN-JRE) course and the Junos Intermediate Routing (WGAC-JUN-JIR) course or have equivalent experience prior to attending this class. General knowledge of CoS concepts is also helpful.

Course Objectives

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.

Certification

JNCIP-SP