Cisco DNA Center Programmability Integration Fundamentals

The primary audience for this course is as follows:

- Personnel involved in SD-Access Design, Implementation, and Integration

- Network Operations team with SD-Access solution

- Network admin staff that deal with Software Defined Networking

- Network Administrators

- Network Architects

- Network Engineers

Upon completing this course, the learner will be able to meet these overall objectives:

• Describe what is SDN and Network Programmability
• Describe use cases and examples of Catalyst 9000 programmability
• Learn about Python and how it automates the Catalyst 9000
• Understand object-oriented programming
• Understand SD-Access
• Discuss how to apply Cisco Software-Defined Access programmatically
• Understand the Use Cases and Problems Solved with SDN programmability
• Explain an overview of OpenFlow and Network Controllers
• Explain an overview of Human Interaction DevOps-Style
  

Module 1: SD-Access Introduction

• SDA Quick Overview
• SDA Key Benefits
• Technical Overview

          - LISP

          - Cisco Trustsec

          - VXLAN

• Network Fabric
• SDA Overlay Key Components

          - Control Plane

          - Data Plane

          - Policy Plane

• SDA Fabric Roles & Terminology

          - DNA Controller

          - Identity Services

          - Analytics Engine (NDP)

          - Control Plane

          - Edge Nodes

          - Border Nodes

          - Virtual Network

          - Scalable Groups

          - VXLAN Encapsulation

Module 2: SDA Wireless Architecture

• SDA Wireless Architecture Overview
• SDA Wireless Benefits
• Policy Rollout
• Wireless Integration in SDA Fabric

Module 3: SDA Deployment

• Digital Network Architecture
• Campus Fabric Automation
• Smart CLI
• Programmable APIs
• DNA Center – SD-Access WorkFlow

          - Design

          - Provision

          - Policy

          - Assurance

Module 4: SDA Center Ecosystems Integrations

• Event Notifications and Webhooks
• Integrations Overview
• DevOps Integrations
• ChatOps Integrations
• Use Cases

          - ITSM Integrations

          - Client Insights with Apple Analytics

          - IP Address Management (IPAM)

          - Network Orchestrators

          - Policy Orchestrators

          - Security Analytics

          - Firewalls

          - Public and Private Cloud Integration

Module 5: DNA Assurance

• DNA Center Architecture
• Cisco DNA Assurance Introduction
• DNA Assurance Architecture
• Telemetry Collection Overview
• DNA Assurance Getting Started
• Full Stack Visibility
• Network & Client Experience
• Intelligent Capture
• Real Time Monitoring RF
• Path Trace
• Sensor-based Proactive Monitoring
• Application Experience
• Issue Remediation
• AI Network Analytics
• Machine Reasoning

Module 6: Python Programming

• Programmability Overview
• APIs Primer
• Python Foundation Overview
• Lists, Tuples & Dictionaries
• Control Sentences
• Functions
• Modules
• Classes
• Error Handling (Exceptions)

Module 7: Programming SDA and DNA Center

• DNA Center Architecture Overview
• DNA Controller
• DNA Center Automation
• DNA Center APIs
• Building DNA Center Applications

Module 8: Cisco Catalyst 9K Introduction

• Intent Based Networking
• Cisco Catalyst 9K Features and Characteristics
• Cisco Catalyst 9K IOS-XE
• Catalyst 9K Platform Support
• Linux Service Containers Introduction
• Python Programmability Introduction
• Zero-Touch Provisioning, iPXE, PnP
• CLI – Legacy, Python CLI, Guest Shell

Module 9: Catalyst 9K and Cisco Application Framework

• Cisco Application Framework / Virtual Service Infra (IOX)
• Cisco Catalyst 9K Application Hosting
• Application Hosting Value Proposition
• Catalyst 9K Switching Application Ecosystem
• Virtual Machines
• KVMs
• Containers

          - General LXC (Linux Service Containers)

          - GuestShell (pre-packaged LXC)

          - Other pre-packaged LXCs, ie PerfSonar

• Python Programmability in Depth
• Python API
• Zero Touch Provisioning (ZTP) and Plug ’n Play

Module 10: Catalyst 9K EEM Python Module

• EEM Overview
• Python Scripting in EEM
• EEM Python Package
• Python-Supported EEM Actions
• EEM CLI Library Command Extensions

Module 11: Data Models & Model Driven Programmability

• Why Models are Important
• YANG data models

          - Native models

          - IETF models

          - OpenConfig models

• Data Encoding

          - XML

          - JSON

• YANG Tools

          - YANG Explorer

          - YANG Catalog

          - Pyang

• NetConf

          - History

          - Protocol layers

          - Operations

          - Messages

          - Using NetConf

• RESTConf

          - History

          - Protocol layers

          - Operations

          - Messages

          - Using RestConf

• Telemetry Introduction

Module 12: Model Driven Telemetry

• Yang Data Streaming
• Telemetry History
• gRPC
• Collectors & Renderers
• ELK

          - Elastic Search

          - Logstash

          - Kibana

• TIG

          - Telegraph

          - Influx

          - Grafana

• Quick Start with Docker
• Publication Types
• Telemetry Subscriptions
• IOS-XE 16.x and 17.x Yang Model Support
• Yang Model Metadata
• CLI and XML Configuration Examples
• Pipeline
• Splunk

Module 13: 3rd Party Integrations

• ServiceNow
• Splunk

LAB OUTLINE

Lab 1: Intro DNA Center

Lab 2: DNA Assurance

Lab 3: DNA Center API Discovery

Lab 4: Setup Machine for Development

Lab 5: Python Overview

Lab 6: Programming Cisco DNA Center

Lab 7: Managing the Guest Shell

Lab 8: Running Python Scripts as Part of EEM Applet Actions

Lab 9: NETCONF/RESTConf

Lab 10: YANG Data Modeling & YANG Explorer, YANG Catalog and pYANG

Lab 11: Catalyst 9K - Application Hosting

Lab 12: Programming Telemetry

Lab 13: Integrating DNAC with ServiceNow

Lab 14: Integrating DNAC with Splunk

It is recommended, but not required, that students have the following knowledge and skills:

• Familiarity with Catalyst 9k Switches
• Familiarity with DNA Center and SD-Access