Practical Network Automation
Leverage the power of Python and Ansible to optimize your network
1st Edition
Published on 8. July 2025
266 pages
978-1-78829-913-8 (ISBN)
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Abhishek Ratan
Practical Network Automation
A beginner's guide to automating and optimizing networks using Python, Ansible, and more
E-Book
09/2024
2nd Edition
Packt Publishing
€30.99
Available for download
Person
Ratan Abhishek :
Abhishek Ratan has around 15 years of technical experience in networking, automation, and various ITIL processes, and has worked in various roles in different organizations. As a network engineer, security engineer, automation engineer, TAC engineer, tech lead, and content writer, he has gained a wealth of experience during the 15 years of his career. Abhishek also has a deep interest in strategy game playing, and if he is not working on technical stuff, he is busy spending time on his strategy games. He is currently working as a Sr. Automation Engineer at ServiceNow, learning, and expanding his automation skills in the ServiceNow platform. His earlier experience includes working for companies such as Microsoft, Symantec, and Navisite,which has given him exposure to various environments.
Abhishek Ratan has around 15 years of technical experience in networking, automation, and various ITIL processes, and has worked in various roles in different organizations. As a network engineer, security engineer, automation engineer, TAC engineer, tech lead, and content writer, he has gained a wealth of experience during the 15 years of his career. Abhishek also has a deep interest in strategy game playing, and if he is not working on technical stuff, he is busy spending time on his strategy games. He is currently working as a Sr. Automation Engineer at ServiceNow, learning, and expanding his automation skills in the ServiceNow platform. His earlier experience includes working for companies such as Microsoft, Symantec, and Navisite,which has given him exposure to various environments.
Content
- Cover
- Title Page
- Copyright
- Credits
- About the Author
- About the Reviewer
- www.PacktPub.com
- Customer Feedback
- Table of Contents
- Preface
- Chapter 1: Fundamental Concepts
- Network automation
- DevOps
- Software-defined networking
- OpenFlow
- Program concepts
- Variables
- Data types
- Decision makers
- Loops
- Arrays
- Functions
- Best practices
- Readability of a program
- Support information
- Indentation
- Sample best practice example
- Language choices (Python/PowerShell)
- Writing your first program
- PowerShell IDE
- Python IDE
- Representational State Transfer (REST) framework
- Summary
- Chapter 2: Python for Network Engineers
- Python interpreter and data types
- Conditions and loops
- Nested and multiple conditions
- Loops
- For next loop
- While loop
- Writing Python scripts
- Functions
- Passing arguments from the command line
- Python modules and packages
- Multithreading for parallel processing
- Using Netmiko for SSH and network device interaction
- Network automation use case
- Summary
- Chapter 3: Accessing and Mining Data from Network
- Device configurations
- Multi-vendor environments
- IP configs/interface parsing
- Device OS upgrades
- IPv4 to IPv6 conversion
- Site rollouts
- Office/DC relocations
- Bring Your Own Device (BYOD) configs for switches
- Summary
- Chapter 4: Web Framework for Automation Triggers
- Why create web-based scripts/frameworks?
- Understanding and configuring IIS for web framework
- Understanding IIS
- Configuring IIS for Python script support
- Creating web-specific scripts
- Accessing a script from dynamic HTML
- Creating the backend API in C#
- Consuming the API in Python
- Sample summary task
- Summary
- Chapter 5: Ansible for Network Automation
- Ansible overview and terminology
- Basic requirements of Ansible
- Installation of Ansible
- Introduction to ad hoc commands
- Ansible playbooks
- Working with Ansible facts
- Ansible conditions
- Ansible loops
- Python API with Ansible
- Creating network configuration templates
- Summary
- Chapter 6: Continuous Integration for Network Engineers
- Interaction with Splunk
- Automation examples on various technology domains
- BGP and routing table
- Configuring Cisco switchport for access point
- Configuring Cisco switchport for IP Phone
- Wireless LAN (WLAN)
- Access of IP Address Management (IPAM)
- Example and use case
- Create a web-based pre and post check tool for validations
- Step 1 - Create the main HTML file
- Step 2 - Create the backend Python code
- Step 3 - Create web server based files for the tool
- Step 4 - Create server based files for pre and post files comparison
- Summary
- Chapter 7: SDN Concepts in Network Automation
- Managing cloud platforms
- Programmable network devices
- Controller-based network fabric
- Network automation tools
- Summary
- Index
