Cisco DevNet Certifications - DevNet Specialist
1 Introduction to Cisco DevNet
1-1 Overview of Cisco DevNet
1-2 Importance of DevNet in modern IT
1-3 Cisco DevNet Certifications Overview
2 Networking Fundamentals
2-1 Understanding Network Topologies
2-2 IP Addressing and Subnetting
2-3 Network Protocols and Services
2-4 Introduction to Cisco Networking Devices
3 Software Development Basics
3-1 Introduction to Programming Concepts
3-2 Understanding APIs and RESTful Services
3-3 Version Control with Git
3-4 Introduction to Python Programming
4 Cisco DNA Center
4-1 Overview of Cisco DNA Center
4-2 DNA Center APIs and SDKs
4-3 Automating Network Provisioning with DNA Center
4-4 Troubleshooting with DNA Center
5 Cisco Application Policy Infrastructure Controller (APIC)
5-1 Overview of Cisco APIC
5-2 APIC APIs and SDKs
5-3 Automating Policy Management with APIC
5-4 Troubleshooting with APIC
6 Cisco SD-WAN
6-1 Overview of Cisco SD-WAN
6-2 SD-WAN APIs and SDKs
6-3 Automating SD-WAN Deployments
6-4 Troubleshooting with SD-WAN
7 Cisco ACI (Application Centric Infrastructure)
7-1 Overview of Cisco ACI
7-2 ACI APIs and SDKs
7-3 Automating ACI Deployments
7-4 Troubleshooting with ACI
8 Cisco DevNet Sandbox
8-1 Overview of Cisco DevNet Sandbox
8-2 Using DevNet Sandbox for Hands-on Practice
8-3 Creating and Managing Sandbox Environments
8-4 Integrating Sandbox with Development Workflow
9 Automation and Programmability
9-1 Introduction to Network Automation
9-2 Programmability in Modern Networks
9-3 Using Python for Network Automation
9-4 Introduction to Ansible for Network Automation
10 Security in DevNet
10-1 Overview of Security in DevNet
10-2 Securing APIs and Services
10-3 Implementing Security Policies with Cisco Tools
10-4 Troubleshooting Security Issues
11 DevOps and Continuous IntegrationContinuous Deployment (CICD)
11-1 Introduction to DevOps Principles
11-2 CICD Pipelines for Network Automation
11-3 Integrating DevOps Tools with Cisco Platforms
11-4 Best Practices for DevOps in Network Automation
12 Final Preparation and Certification Exam
12-1 Review of Key Concepts
12-2 Practice Exam Questions
12-3 Exam Registration and Scheduling
12-4 Tips for Passing the Certification Exam
Automating Network Provisioning with DNA Center

Automating Network Provisioning with DNA Center

Automating network provisioning with Cisco DNA Center (Digital Network Architecture Center) is a powerful way to streamline the deployment and management of network devices. This process leverages DNA Center's APIs and automation capabilities to reduce manual intervention and ensure consistent configurations across the network. Below, we will explore the key concepts related to automating network provisioning with DNA Center.

1. DNA Center Platform

Cisco DNA Center is a centralized management platform that provides a unified view of the network. It offers features such as network automation, assurance, and analytics. DNA Center's automation capabilities allow network administrators to define, deploy, and manage network configurations with minimal manual effort.

2. Network Templates

Network templates in DNA Center are pre-defined configurations that can be applied to network devices. These templates ensure consistency across the network by standardizing configurations for different types of devices. Templates can be customized to meet specific network requirements and can be versioned for easy management.

Example

Consider a network with multiple switches. Instead of manually configuring each switch, you can create a network template that defines the desired configuration (e.g., VLAN settings, access control lists). This template can then be applied to all switches, ensuring that they are configured consistently.

3. API Integration

DNA Center provides a RESTful API that allows external applications to interact with the platform programmatically. This API enables automation by allowing scripts and applications to trigger provisioning tasks, retrieve device information, and apply configurations. API integration is key to automating network provisioning workflows.

Example

Imagine a network administrator who needs to deploy a new switch. Using a script that interacts with the DNA Center API, the administrator can automatically discover the new switch, apply the appropriate network template, and configure it without manual intervention.

4. Event-Driven Automation

Event-driven automation in DNA Center allows network provisioning tasks to be triggered by specific events or conditions. For example, when a new device is connected to the network, an event can be generated that triggers the provisioning process. This approach ensures that network changes are handled dynamically and efficiently.

Example

Consider a scenario where a new wireless access point (AP) is added to the network. An event-driven automation workflow can be configured to automatically provision the AP with the correct settings (e.g., SSID, security policies) as soon as it is connected to the network.

5. Role-Based Access Control (RBAC)

Role-Based Access Control (RBAC) in DNA Center allows administrators to define different roles and permissions for users. This ensures that only authorized users can perform specific provisioning tasks, enhancing security and compliance. RBAC is essential for maintaining control over automated provisioning processes.

Example

Imagine a network team with different roles: network engineers, administrators, and auditors. RBAC can be configured so that network engineers have full access to provisioning tasks, administrators can view and approve changes, and auditors can monitor activities without making changes.

By mastering these key concepts, you can leverage DNA Center's automation capabilities to streamline network provisioning, reduce manual effort, and ensure consistent configurations across your network. This approach not only enhances efficiency but also improves the reliability and security of your network infrastructure.