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E-raamat: Introduction to Python Network Automation: The First Journey

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Introduction to Python Network Automation: The First JourneySuurem pilt
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Learn and implement network automation within the Enterprise network using Python 3. This introductory book will be your guide to building an integrated virtual networking lab to begin your Network Automation journey and master the basics of Python Network Automation. 





The book features a review of the practical Python network automation scripting skills and tips learned from the production network, so you can safely test and practice in a lab environment first, various Python modules such as paramiko and netmiko, pandas, re, and much more. You'll also develop essential skills such as Python scripting, regular expressions, Linux and Windows administration, VMware virtualization, and Cisco networking from the comfort of your laptop/PC with no actual networking hardware. Finally, you will learn to write a fully automated and working Cisco IOS XE upgrade application using Python.

Introduction to Python Network Automation uses a canonical order, where you beginat the bottom and by the time you have completed this book, you will at least reach the intermediate level of Python coding for enterprise networking automation using native Python tools. 





What You'll Learn













Build a proper GNS3-based networking lab for Python network automation needs Write the basics of Python code in both the Windows and Linux environments Control network devices using telnet, SSH, and SNMP protocols using Python codes Understand virtualization and how to use VMware workstation Examine virtualization and how to use VMware Workstation Pro Develop a working Cisco IOS upgrade application 





























Who This Book Is For





IT engineers and developers, network managers and students, who would like to learn network automation using Python.
About the Author xix
About the Technical Reviewer xxi
Acknowledgments xxiii
Introduction xxv
Chapter 1 Introduction to Python Network Automation
1(22)
Laying the Foundation
1(1)
Exploring Your Skills and Prerequisites
2(1)
General Competencies of Three Main IT Domain Group
3(3)
Comparative Analysis of IT Engineers' Responsibilities
6(4)
Python and Network Automation Studies
10(1)
Why Do People Want to Learn Python?
10(2)
What Do I Need to Study Network Automation Using Python?
12(1)
Hardware: Minimum Specifications for Laptop or PC
13(1)
Software Requirements
14(2)
Building a Network Automation Development Environment Using GNS3
16(4)
Downloading Supplementary Guides and Source Code
20(1)
Summary
21(1)
Storytime 1 Mega Speed Shoe Factory
21(2)
Chapter 2 Learn Python Basics on Windows
23(90)
"Hello, World!" and print() Function in Interactive Mode
24(3)
Preparing for the Python Exercises
27(1)
Understanding Data Types
28(2)
Indentation and Code Blocks
30(1)
Commenting
31(1)
Python Naming Convention
32(1)
Doing the Python Exercises
33(1)
Variables and Strings
34(1)
Exercise 2-1 Create Variables and Assign Various Data Types
34(1)
Exercise 2-2 Create Variables and Use the print() Function to Print Output
35(1)
Exercise 2-3 Use Abbreviated Variable Assignment
36(1)
Exercise 2-4 Enter a String, Escape Character Backslash (\), and type() Function
36(2)
Exercise 2-5 Determine If a Variable Is a Container, a Tag, or a Pointer
38(1)
Exercise 2-6 Use String Indexing
39(1)
Exercise 2-7 Understand Variable Assignment Errors
39(1)
Exercise 2-8 Avoid "SyntaxError: EOL While Scanning String Literal"
40(1)
Exercise 2-9 Avoid "NameError: name `variable_name' is not defined"
40(1)
Exercise 2-10 Avoid "SyntaxError: invalid syntax"
41(1)
Exercise 2-11 Avoid "TypeError: `str' object is not callable"
41(2)
Exercise 2-12 Add Multiline Comments with Triple Quotation Marks
43(1)
Exercise 2-13 Use \ as an Escape Character to Remove Special Character Meanings
44(1)
Exercise 2-14 Enter (Inject) Values/Strings in a String Using %s
44(1)
Printing, Concatenating, and Converting Strings
45(1)
Exercise 2-15 Use the print() and len() Functions to Create a Simple Function
45(1)
Exercise 2-16 Use the lower() and upper() String Methods
46(1)
Exercise 2-17 Perform String Concatenation and Use the str() Method
46(1)
Exercise 2-18 Learn to Change a String Using Curly Brackets and format()
47(1)
Exercise 2-19 Adjust the Text Position with Curly Brackets and format()
48(1)
Exercise 2-20 Adjust the Number of Decimal Places
49(1)
Exercise 2-21 Ask for and Receive User Input with input()
49(1)
Exercise 2-22 Change a Word or Characters in a String
50(1)
Recap: Variables and Strings
51(1)
Numbers and Arithmetic Operators
52(1)
Exercise 2-23 Use Arithmetic Operators
52(1)
Exercise 2-24 Understand Integers vs. Strings
53(1)
Recap: Arithmetic Operators
53(1)
Booleans and Relational Operators
54(1)
Exercise 2-25 Use Booleans
54(1)
Exercise 2-26 Use Relational Operators
55(1)
Exercise 2-27 Use Boolean Expressions to Test True or False
55(1)
Exercise 2-28 Use Logical (Membership) Operators
56(1)
Exercise 2-29 Change the Order of Operation with ()
56(1)
Control Statements: if, elif, and else
56(1)
Exercise 2-30 Use if and else
57(1)
Exercise 2-31 Use if, elif, and else
57(1)
Exercise 2-32 Write Code with if, elif, and else
58(1)
Recap: Boolean and Conditionals
59(1)
Functions
59(1)
Exercise 2-33 Defining a Function
60(1)
Exercise 2-34 Assign Default Values to a Function
60(1)
Exercise 2-35 Define Hello and Goodbye Functions
61(1)
Exercise 2-36 Use the Odd or Even Function
62(1)
Exercise 2-37 Nest a Function Within a Function
62(1)
Recap: Functions
63(1)
Lists
63(1)
Exercise 2-38 Create a List and Index Items
63(1)
Exercise 2-39 Use append, extend, and insert in a List
64(1)
Slicing
65(1)
Exercise 2-40 Slice a List
65(1)
Exceptions and Error Handling
66(1)
Exercise 2-41 Avoid a ValueError Error
66(1)
Exercise 2-42 Handle Errors with try and except in a List
66(2)
Exercise 2-43 Find an Index of an Item in a List with the Customized Exception
68(1)
Practicing Lists
69(1)
Exercise 2-44 Practice a List
69(2)
Using for Loops and while Loops
71(1)
Exercise 2-45 Use the for Loop's upper() and capitalize() Methods
71(1)
Exercise 2-46 Use the while Loop and len() Function
71(1)
Sorting and Ranges
72(1)
Exercise 2-47 Use sort() vs. sorted() in a List
72(1)
Exercise 2-48 Link Two Lists
72(1)
Exercise 2-49 Find the List Length Using the len() Function
73(1)
Exercise 2-50 Use range() and the for Loop
73(1)
Exercise 2-51 Use the String List for loop() and range() with Arguments
74(1)
Recap: Lists and Loops
75(1)
Tuples
76(1)
Exercise 2-52 See Some Basic Tuple Examples
76(1)
Exercise 2-53 Convert a Tuple to a List
76(1)
Exercise 2-54 Determine Whether a Tuple Immutable
77(1)
Exercise 2-55 Convert a Tuple to a List and a List to a Tuple
78(1)
Exercise 2-56 Use a for Loop in a Tuple
78(1)
Exercise 2-57 Assign Multiple Variables to a Tuple
79(1)
Exercise 2-58 Create a Simple Tuple Function
79(1)
Exercise 2-59 Use Tuples as List Elements
80(1)
Recap: Tuples
80(1)
Dictionaries
81(1)
Exercise 2-60 Understand Dictionary Basics
81(1)
Exercise 2-61 Avoid a Dictionary TypeError and Convert Two Lists to a Single Dictionary
82(1)
Exercise 2-62 Use Keys to Print Values from a Dictionary
82(1)
Exercise 2-63 Change a Dictionary Value
83(1)
Exercise 2-64 Add a New Set of Keys and Values to a Dictionary
83(1)
Exercise 2-65 Find the Number of Dictionary Elements
84(1)
Exercise 2-66 Delete Dictionary Keys and Values
84(1)
Exercise 2-67 Write a Python Script with a Dictionary
84(1)
Exercise 2-68 Use a Dictionary for a Loop and Formatting
85(1)
Recap: Dictionaries
86(1)
Handling Files
87(1)
Exercise 2-69 Read and Display Hosts File from Your PC
87(1)
Exercise 2-70 Open and Close Hosts Files
88(1)
Exercise 2-71 Create Code to Close a File in Two Ways
89(1)
Exercise 2-72 Create a Text File, and Read, Write, and Print
90(3)
Exercise 2-73 Use rstrip() or lstrip() to Remove Whitespace
93(1)
Exercise 2-74 Python File Mode Exercise: Use r Mode
94(1)
Exercise 2-75 Python File Mode Exercise: Use r+ Mode
95(1)
Exercise 2-76 Python File Mode Exercise: Use a Mode
96(3)
Exercise 2-77 Python File Mode Exercise: Use a+ Mode
99(1)
Exercise 2-78 Python File Mode Exercise: Use w Mode
99(1)
Exercise 2-79 Python File Mode Exercise: Use w+ Mode
100(1)
Exercise 2-80 Python File Mode Exercise: Use x Mode
101(1)
Exercise 2-81 Python File Mode Exercise: Use x Mode
102(1)
Exercise 2-82 Open a Byte File in Python
103(1)
Exercise 2-83 Handle Errors with try and except
104(1)
Recap: Python file Handling Concept
105(1)
Using Python Modules
105(1)
Time Module
106(1)
Exercise 2-84 Import the time Module
106(1)
Sleep Method
106(1)
Exercise 2-85 Use the time.sleep() Function
106(1)
Exercise 2-86 Browse a Path Using the sys Module
107(1)
Exercise 2-87 Add a New Filepath Using the sys Module
108(1)
Exercise 2-88 Check Built-ins and sys.builtinjnodule
109(1)
Exercise 2-89 Use a Simple import sys Module in a try and except Exercise
110(1)
Exercise 2-90 Understand Lambdas by Making a Calculator
111(1)
Recap: Module Concepts
112(1)
Summary
112(1)
Chapter 3 More Python Exercises
113(26)
Getting Ready for the Exercises
113(1)
Exercise 3-1 Concatenate a List and a Tuple into a Single List
114(1)
Exercise 3-2 Use Python as a Calculator
114(1)
Exercise 3-3 Do Some Basic String format() Exercises
114(1)
Exercise 3-4 Ask for a Username
115(1)
Exercise 3-5 Get a Username: Version 1
116(1)
Exercise 3-6 Get a Username: Version 2
117(1)
Exercise 3-7 Get a Username: Version 3
118(2)
Exercise 3-8 Add a Temporary Filepath, Import ex3_7.py as a Module, and Run the Script
120(1)
Exercise 3-9 Use Commas to Add Spaces Between Strings
120(1)
Exercise 3-10 Practice if; if and else; and if, elif, and else
121(1)
Exercise 3-11 Practice for ~ in range with end=''
122(1)
Exercise 3-12 Practice for ~ in range
123(1)
Exercise 3-13 Practice for line in ~
123(1)
Exercise 3-14 Use the split() Method
124(1)
Exercise 3-15 Practice with lstrip(), rstrip(), strip(), upper(), lower(), title(), and capitalize()
124(1)
Exercise 3-16 Create a file and read it four different ways
125(1)
Exercise 3-17 Read and Output Files for a More Detailed Understanding
126(1)
Exercise 3-18 Use the getpass() Module and User Input
127(1)
Exercise 3-19 Understand the Difference Between Encoding and Decoding
128(1)
Exercise 3-20 Handle CSV Files in Python with the csv Module
128(4)
Exercise 3-21 Output a CSV File
132(1)
Exercise 3-22 Find the Price of a Cisco ISR
132(1)
Router from a CSV File
132(1)
Exercise 3-23 Calculate the Total Cost of the Router Purchases: No Module
133(1)
Exercise 3-24 Calculate the Total Cost of the Router Purchases: Using the csv Module
134(1)
Exercise 3-25 Convert dd-mmm-yy and Calculate the Difference in Days and Then in Years
134(2)
Exploring the Python IDE Environment
136(1)
Summary
137(1)
Storytime 2 Machine vs. Human, The First Confrontation
138(1)
Chapter 4 Introduction to VMware Workstation
139(30)
VMware Workstation at a Glance
139(2)
Type-1 vs. Type-2 Hypervisors
141(1)
VMware Workstation Pro for a Proof-of-Concept Lab
142(1)
Before Using VMware Workstation
142(3)
What's Next on VMware Workstation 15 Pro?
145(1)
VMware Workstation 15 Pro User Console
145(1)
Basic Operations of VMware Workstation 15 Pro
146(1)
VMware Workstation Pro: Basic Operations
147(2)
VMware Workstation Menu
149(3)
Virtual Network Adapters
152(1)
Virtual Network Editor Overview
152(3)
Virtual Network Interface Description
155(4)
Revealing Each Virtual Network Interface Types
159(9)
Summary
168(1)
Chapter 5 Creating an Ubuntu Server Virtual Machine
169(54)
Downloading and Installing a Ubuntu Server
20(150)
Image
170(1)
Downloading the Ubuntu Server 20.04 LTS Image
171(1)
Installing Ubuntu Server 20.04 LTS
172(24)
Logging In to a New Ubuntu Server 20 via SSH
196(6)
Customize Ubuntu Server
202(1)
Ubuntu VM Customization 1: Enable Root User SSH Login on Ubuntu Server 20.04
203(2)
Ubuntu VM Customization 2: Install a Desktop GUI and Other Packages
205(5)
Ubuntu VM Customization 3: Enable Root User GUI Access
210(4)
Taking a Snapshot of a Virtual Machine
214(3)
Cloning a Virtual Machine
217(5)
Summary
222(1)
Chapter 6 Creating a CentOS 8 Server Virtual Machine
223(52)
Downloading and Installing a CentOS 8 Server Image
223(1)
Downloading the CentOS 8 Server Image
224(2)
Installing CentOS 8 Server
226(34)
Logging In to a New CentOS 8 Server via SSH
260(3)
Managing a Network Adapter on Linux
263(6)
Creating a GNS3 VM by Importing an ova File
269(1)
Downloading and Installing the GNS3 VM from an ova File
270(4)
Summary
274(1)
Storytime 3 The Origin of Hypervisors
274(1)
Chapter 7 Linux Fundamentals
275(54)
Why Learn Linux?
276(2)
The Beginning of Linux
278(1)
Understanding the Linux Environment
279(1)
Understanding Linux Directories and File Formats
280(1)
VI vs. Nano
281(1)
Introduction to vi
282(11)
Introduction to nano
293(13)
Linux Basic Administration
306(1)
Changing the Hostname
306(3)
Linux Basic File and Directory Commands
309(2)
Linux File and Directory Exercises
311(16)
Summary
327(2)
Chapter 8 Linux Basic Administration
329(38)
Information on Linux: Kernel and Distribution Version
329(3)
Information on Linux: Use the netstat Command to Validate TCP/UDP Ports
332(7)
Installing TFTP, FTP, SFTP, and NTP Servers
339(1)
FTP Server Installation
340(6)
Installing the SFTP Server
346(4)
Installing the TFTP Server
350(5)
Installing the NTP Server
355(4)
Linux TCP/IP Troubleshooting Exercise
359(5)
Summary
364(1)
Storytime 4 Becoming a Savvy Linux Administrator, Perhaps Every IT Engineer's Dream?
364(3)
Chapter 9 Regular Expressions for Network Automation
367(48)
Why Regex?
368(1)
To re or Not to re
369(2)
Studying Regular Expressions Using Python
371(1)
Method 1 Using Notepad++
372(2)
Method 2 Using the Linux Shell
374(1)
Regular Expression Breakdown: [ A-Z]{3}\d{4}[ /]\w+
375(1)
Method 3 Using the Internet to Study Regular Expressions
375(1)
Regex Operation: The Basics
376(2)
Character Class (0)
378(1)
Dot (.): Single Character Match
379(1)
Asterisk (*): Repetition
380(1)
Plus (+): Repetition
380(1)
{M, N}: Repetition
380(2)
Python's re Module
382(1)
Python re String Methods
383(4)
Match Object Method
387(1)
Compile Options
388(1)
Re.DOTALL (re.S)
389(1)
Re.IGNORECASE (re.l)
389(1)
Re.MULTILINE (re.M)
390(1)
Re.VERBOSE (re.X)
391(1)
Confusing Backslash Character
392(1)
Regular Expressions: A Little Revision Plus More
393(1)
More Metacharacters
393(10)
Lookahead and Lookbehind Assertions
403(1)
Lookahead, Lookbehind, and Noncapturing group
403(2)
Practice More Lookarounds
405(2)
Lookaround Application Examples
407(2)
Sub Method: Substituting Strings
409(1)
Substitute Strings Using sub
410(1)
Using sub and \g to Swap Positions
410(1)
Insert a Function in sub Method
411(2)
Summary
413(2)
Chapter 10 GNS3 Basics
415(76)
GNS3 at a Glance
415(2)
Installing GNS3 for the First Time
417(1)
Downloading the GNS3 Installation File
417(1)
GNS3 Installation and Setup
418(1)
GNS3 Installation
418(1)
GNS3 Setup Procedures
418(6)
Getting Familiar with GNS3
424(1)
GNS3 Menus and GUI
424(2)
Gracefully Shutting Down GNS3 and GNS3 VM
426(2)
Starting GNS3 as an Administrator
428(1)
Using GNS3 for the First Time: Cisco I0S and Windows Lab
429(1)
Cisco I0S Software License and Downloading an Older Cisco I0S
430(1)
Decompressing Cisco I0S for GNS3 Use
431(11)
Installing Cisco IOS on the GNS3 VM
442(12)
Creating an IOS Lab Topology on GNS3 and Connecting to the Internet
454(8)
Installing the Microsoft Loopback Adapter
462(7)
Accessing GNS3 Network Devices Using MS Loopback
469(9)
Configuring the GNS3 IOS Router Using a Python Script from the Windows Host PC
478(4)
Cisco IOS and GNS3 Appliance Lab
482(1)
Importing and Installing the GNS3 Linux Appliance Server
482(4)
Manually Assigning IP Address to GNS3 Linux Appliance Server
486(1)
Using the GNS3 Appliance Linux's Python to Manage R1
487(2)
Summary
489(2)
Chapter 11 Cisco IOS Labs
491(24)
Cisco IOS and the Linux VM Lab
491(1)
Creating a New GNS3 Project for the Linux VM Lab
492(11)
Uploading and Downloading Files to the GNS3 IOS Router from Linux VMs (File Transfer Testing Lab)
503(8)
Copying (Cloning) a GNS3 Project
511(3)
Summary
514(1)
Chapter 12 Building a Python Automation Lab Environment
515(34)
Cisco CML-PERSONAL Software License Information and Software Downloads
516(1)
Downloading the Cisco CML-PERSONAL IOSvL2 (Switch) Image
516(1)
Downloading the Cisco CML-PERSONAL IOSv (Router) Image and startup_config Files
517(1)
Installing the Cisco CML-PERSONAL L2 Switch and CML-PERSONAL L3 on GNS3
518(1)
Installing the Cisco CML-PERSONAL L2 Switch on GNS3
518(10)
Quick Communication Test on CML L2 Switch Integration on GNS3
528(1)
Installing the Cisco CML-PERSONAL L3 Router on GNS3
529(10)
Quick Communication Test on CML L3 Router Integration on GNS3
539(2)
Building a CML-PERSONAL Lab Topology
541(7)
Summary
548(1)
Chapter 13 Python Network Automation Lab: Basic Telnet
549(34)
Python Network Automation: Telnet Labs
549(2)
Telnet Lab 1 Interactive Telnet Session to Cisco Devices on a Python Interpreter
551(6)
Telnet Lab 2 Configure a Single Switch with a Python Telnet Template
557(5)
Telnet Lab 3 Configure Random VLANs Using a for Loop
562(4)
Telnet Lab 4 Configure Random VLANs Using a while Loop
566(1)
Telnet Lab 5 Configure
566(3)
VLANs Using the for ~ in range Loop Method
569(4)
Telnet Lab 6 Add a Privilege 3 User on Multiple Devices Using IP Addresses from an External File
573(6)
Telnet Lab 7 Taking Backups of running-config (or startup-config) to Local Server Storage
579(3)
Summary
582(1)
Chapter 14 Python Network Automation Labs: SSH paramiko and netmiko
583(46)
Python Network Automation Labs Using the paramiko and netmiko Libraries
583(1)
Python SSH Labs: paramiko
584(1)
Paramiko Lab 1 Configure the Clock and Time Zone of All Devices Interactively in the Python Interpreter
584(8)
Paramiko Lab 2 Configuring an NTP Server on Cisco Devices Without User Interaction (NTP Lab)
592(6)
Paramiko Lab 3 Create an Interactive paramiko SSH Script to Save Running Configurations to the TFTP Server
598(7)
Python SSH Labs: netmiko
605(1)
Netmiko Lab 1 Netmiko Uses a Dictionary for Device Information, Nota JSON Object
606(8)
Netmiko Lab 2 Develop a Simple Port Scanner Using a Socket Module and Then Develop a nemiko Disable Telnet Script
614(7)
Netmiko Lab 3 Config compare
621(7)
Summary
628(1)
Chapter 15 Python Network Automation Labs: cron and SNMPv3
629(46)
Cron and SNMPv3Labs
629(1)
Cloning a GNS3 Project for the Next Lab
630(7)
Quick-Start to the Linux Scheduler, cron
637(1)
Ubuntu 20.04 LTS Task Scheduler: crontab
637(4)
Cent0S8.1 Task Scheduler: crond
641(5)
Learn cron Job Definitions with Examples
646(2)
Using Python to Run an SNMPv3 Query
648(1)
Quick-Start Guide to SNMP
649(4)
Learn to Use SNMPwalk on a Linux Server
653(13)
Borrowing Some Example Python SNMP Code
666(7)
Summary
673(2)
Chapter 16 Python Network Automation Labs: Ansible, pyATS, Docker, and the Twilio API
675(58)
Python Network Automation Development Labs
675(1)
Quick-Start Guide to Ansible: virtualenv Lab 1
676(2)
Installing virtualenv and Getting Started with Ansible
678(7)
Quick-Start Guide to pyATS (Genie): VirtualEnv Lab 2
685(15)
Sendmail Lab Using an Imported Docker Image
700(1)
Docker Components and Account Registration
701(1)
Docker Installation
702(1)
Test-Driving Docker
703(4)
Docker Sendmail Python Lab
707(5)
Lab: Sendmail Email Notification script Development
712(5)
CPU Utilization Monitoring Lab: Send an SMS Message Using Twilio
717(1)
TWILIO Account Creation, Install Twilio Python Module and SMS Message Setup
718(5)
CPU Utilization Monitoring Lab with an SMS Message
723(9)
Summary
732(1)
Chapter 17 Upgrading Multiple Cisco IOS XE Routers
733(28)
Practical Python Network Automation Lab: IOS XE Upgrade Lab
733(1)
Applying OOP Concepts to Your Network
734(4)
Flow Control and Controlling User Input: UID, PWD, and Information Collector
738(5)
Lab Preparation
743(1)
CSR 1000v IOS XE Software and Download
744(1)
Cisco CSR 10OOv Installation on VMware Workstation
745(11)
Discussion of How an IOS (I0S-XE/XR) Is Upgraded on Cisco Devices
756(1)
Tasks Involved in a Cisco IOS Upgrade
756(3)
Summary
759(2)
Chapter 18 Python Network Automation Lab: Cisco IOS Upgrade Mini Tools Development
761(1)
Cisco IOS Upgrade Application Development
761(1)
Part A Pre-check Tools Development Connectivity Validation Tool
762(37)
Collect User's Login Credentials and User Input
774(4)
Collect a New IOS Filename and MD5 Value from a CSV File
778(10)
Check the MD5 Value of the New IOS on the Server
788(4)
Check the Flash Size on Cisco Routers
792(4)
Make Backups of running-config, the Interface Status, and the Routing Table
796(3)
Part B IOS Uploading and More Pre-check Tools Development
799(56)
IOS Uploading Tool
799(5)
Check the New IOS MD5 Value on the Cisco Device's Flash
804(6)
Options to Stop or Reload the Routers
810(9)
Check the Reloading Device and Perform a Post-Reload Configuration Verification
819(10)
Summary
829(2)
Chapter 19 Python Network Automation Labs: Combining and Completing the Cisco IOS Upgrade Application
831(24)
Creating a Single Python File
832(20)
Summary
852(1)
Final Words
853(2)
Index 855
Brendan is currently working as a Senior Technical Consultant for Australias leading Telco, Telstra. Telstra is the largest Australian Internet Service Provider (ISP) as well as one of the leading IT System Integrator and Managed Services Provider in Australian IT industry. He has more than 15 years of hands-on experience working with Cisco Networking, Unified Collaboration, VMware Virtualization and Operating System Administration. He began his IT career in Cisco Systems and then moved onto various roles in leading System Integrators in Australian IT scenes. He is currently working on a number of external clients environment and supports a diverse IT ecosystem, currently focusing on Python Network Automation. This book is largely based on Python network Automation he has developed in his previous job and the original book, Python Network Automation: by building a virtual lab. Also, this book is a memoir of Network Automation Journey leveraging off the power of Python as the preferred Programming Language.
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