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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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Toc

Table of Contents (14) Chapters Close

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

Firewall with OpenFlow

For the firewall function demonstration, we will use the existing ryu/app/rest_firewall.py application and combine the knowledge we gained in this chapter about the REST API and flow modification. This is a simplified version of the Ryu book firewall example, https://osrg.github.io/ryu-book/en/html/rest_firewall.html. Besides firewall operations, the Ryu firewall example in the link provided illustrates the usage of multi-tenancy with VLAN. The example covered in this section will focus on the correlation between the firewall application and OpenFlow for learning purposes. This section and the linked example would be good complements of each other.
If you take a look at the rest_firewall.py code, you will notice a lot of similarities with ofctl_rest.py. In fact, most of the rest_* applications have similar functions when it comes to callback functions and...

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