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Mastering Python Networking

You're reading from   Mastering Python Networking Your one stop solution to using Python for network automation, DevOps, and SDN

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Product type Paperback
Published in Jun 2017
Publisher Packt
ISBN-13 9781784397005
Length 446 pages
Edition 1st Edition
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Author (1):
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Eric Chou Eric Chou
Author Profile Icon Eric Chou
Eric Chou
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Table of Contents (22) Chapters Close

Title
Humble Bundle
Credits
Foreword
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Review of TCP/IP Protocol Suite and Python Language FREE CHAPTER 2. Low-Level Network Device Interactions 3. API and Intent-Driven Networking 4. The Python Automation Framework - Ansible Basics 5. The Python Automation Framework - Ansible Advance Topics 6. Network Security with Python 7. Network Monitoring with Python - Part 1 8. Network Monitoring with Python - Part 2 9. Building Network Web Services with Python 10. OpenFlow Basics 11. Advanced OpenFlow Topics 12. OpenStack, OpenDaylight, and NFV 13. Hybrid SDN

Writing your own custom module


By now, you may get the feeling that network management is largely dependent on finding the right module for your device. There is certainly a lot of truth in that logic. Modules provide a way to abstract the interaction between the managed host and the control machine, while it allows you to focus on the logic of your operation. Up to this point, we have seen the major vendors providing a wide range of module support for Cisco, Juniper, and Arista.

Use Cisco Nexus modules as an example, besides specific tasks such as managing the BGP neighbor (nxos_bgp) and the aaa server (nxos_aaa_server). Most vendors also provide ways to run arbitrary show (nxos_config) and configuration commands (nxos_config). This generally covers most of our use cases.

What if the device you are using does not currently have any the modules that you are looking for? In this section, we will look at several ways that you can remedy this situation by writing your own custom module.

The first...

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