Implementing Cisco Data Over Cable Service Interface Specification 3.1 (DOCSIS)

This Data Over Cable Service Interface Specification (DOCSIS), Instructor-Led course covers key standards and concepts from DOCSIS 1.x through to 3.1. It provides hands-on DOCSIS experience and establishes important foundational knowledge needed for configuring bi-directional channel bonded services and other advanced-service features. While examples of implementing DOCSIS services on the Cisco cBR-8 may be used in this course, most of the learning experiences also apply to other CMTS platforms. The course includes lab activities and/or demonstrations to reinforce the key learning objectives.

Course Information

Price: $1,495.00
Duration: 2 days
Learning Credits:
Course Delivery Options

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Train face-to-face with the live instructor.

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Attend the live class from the comfort of your home or office.

Interact with a live, remote instructor from a specialized, HD-equipped classroom near you. An SLI sales rep will confirm location availability prior to registration confirmation.

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Following are the strongly recommended prerequisites for this cable training course: 

  • Students should have knowledge and experience with the Cisco IOS Command Line Interface (CLI)


Target Audience:

This course is designed for technical professionals who need to know how to deploy CMTS platforms and associated equipment.


The primary audience for this course includes:

  • Cable Operator Network Operation Center personnel
  • System Engineer/ Integrator/ Solutions support personnel
  • Channel partners, resellers


Course Objectives:

After completing this course, the student should be able to:

  • Describe RF Networking Concepts when applied to the MSO environment
  • Explain and observe DOCSIS modem registration
  • Describe the components that comprise the DOCSIS 3.1 specification set and explain the primary elements in functional block-diagram form
  • Describe DOCSIS 3.1 functionality as it relates to:
    • Comparison to DOCSIS 3.0 channel bonding strategies
    • High bandwidth support for advanced (multimedia, IP-based) services
    • Deployment considerations for modular and integrated CMTS
  • Relate channel bonding terms and acronyms to available downstream channel bonding hardware and Cisco cBR-8 software releases
  • Identify Cisco cBR-8 features and featurettes for best system performance in mixed DOCSIS 1.x/2.0/3.0 and DOCSIS 3.1 channel-bonded environments
  • Identify necessary third-party DOCSIS 3.1 components, such as the Symmetricon DTI server, and gain the knowledge necessary to recognize the role of any third-party components in a customer’s design


Course Outline:

RF Primer


  • DOCSIS 1.0 and Best Effort Service
  • DOCSIS 1.1 and QoS
  • DOCSIS 2.0 and RF Changes
  • DOCSIS 3.0 features – focused on channel bonding

DOCSIS 3.1 Architecture

  • Physical layer, Modulation – QPSK, QAM, OFDM
  • MAC and Upper Layers
    • Overview and Theory
    • MAC Specification
    • Embedded Security
    • Frame Formats
  • MAC Protocol Operation
    • MAC Management Messages
    • UCD, MAP and MDD
    • Timing and SYNC
  • Cable Modem Registration
  • Data Forwarding
    • ‘The Life of a Packet’
    • Upstream Data Transmission
    • Channel Bonding – Upstream and Downstream

CMTS – Cable Modem Interaction – comparing DOCSIS 3.0 and 3.1 operation

  • Dynamic Operations
    • Bandwidth Optimization
    • Load Balancing
    • Dynamic Bonding
    • DS and US Channel Changes

Other DOCSIS 3.1 Specifications

  • Cable Modem Customer Interface
  • Proactive Network Maintenance
  • IPv6 implementation
  • OSSI

3.1 Migration Strategies