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Python for Network Engineers Hands-On Cisco-SW Automation
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Python for Network Engineers Hands-On Cisco-SW Automation

Netmiko and Python to automate Cisco switch
Created byIsrar Ahmed
Last updated 10/2026
English

What you'll learn

  • Automate SSH connections and CLI command execution on Cisco switches using Python, Netmiko, and Paramiko
  • Configure VLANs, SVIs, and IP address mappings dynamically across multiple network switches with Python scripts
  • Apply conditional logic (if-else) and target allow lists to filter device interface updates by IP address
  • Automate multi-device loop configurations, NTP server deployments, interface status changes, and running config backups

Explore related topics

Course content

1 section • 19 lectures • 3h 21m total length

  • Introduction1:08
  • Lab Prerequisites5:17
  • Gns3-Vmware Installation & Images Integration20:44
  • 1.Introduction to Python for Network Automation2:47
  • 2.Python_Basics_Variables_Strings_Integers_Quotes13:28
  • 3.Python_Network_Automation_Variables_Tuples9:25
  • 4.Python_Dictionaries_and_Device_Information7:52
  • 5.Establishing Topology for Python LAB28:03
  • 6.SSH Handshaking & Command Execution12:21
  • 7.Hostname Modification and Session Clean-Up in Netmiko10:01
  • 8.Script Execution (script.py) & Reboot Verification13:42
  • 9.Cisco_nxos_Loop_Automation8:27
  • 10.Netmiko_Conditional_Filtering_and_Targeted_IPs11:41
  • 11.Creating vlan and SVI using script16:29
  • 12. Multi_Switch_Interface_Management13:27
  • 13.Python_Targeted_Switch_Interface_Configuration7:33
  • 14 Netmiko_If_Else_Device_IP_Interface_Descriptions9:31
  • 15 Python_ Netmiko_Script_For_Switch_NTP_Automation5:26
  • 16.Python_Switch_Backup_Automation4:27

Requirements

  • No prior Python programming experience is required; basic terminal usage and Python installation are covered step-by-step from scratch
  • Basic familiarity with Python syntax and a computer (Windows, Mac, or Linux) with Python installed.
  • No prior Python or programming experience is required—we will cover the code step-by-step from scratch using Python, Paramiko, and Netmiko.

Description

Unlock the power of Python and Netmiko to eliminate repetitive, manual CLI tasks and automate your Cisco network infrastructure. Designed specifically for network engineers and IT professionals, this practical course takes you step-by-step from Python fundamentals to building robust automation scripts for real-world switch management.

You will start with Python basics tailored for networking, learning how to use variables, strings, integers, tuples, and dictionaries to store device credentials and inventory data. From there, you will establish a hands-on GNS3 lab topology featuring Cisco NX-OS switches, configure SSH access, and establish secure connections using Netmiko and Paramiko (ConnectHandler).

Throughout the course, you will write and execute Python scripts to handle critical network operations across single and multi-device topologies:

  • Execute CLI operational commands, modify hostnames, and save running configurations to startup-config with reboot verification.

  • Harness Python for loops to automate multi-switch interface management and port status changes.

  • Apply conditional if-else logic and targeted device IP allow-lists to deploy interface descriptions exclusively to designated hardware.

  • Script dynamic VLAN and Switched Virtual Interface (SVI) deployments with mapped IP addresses.

  • Automate Network Time Protocol (NTP) server configurations across distribution switches.

  • Generate automated running configuration backups saved directly to individual text files labeled by IP address.

By the end of this course, you will be able to write clean, well-structured Python scripts to manage, configure, and back up dozens of Cisco switches simultaneously in seconds.


Who this course is for:

  • Network engineers, systems administrators, and NOC technicians looking to automate repetitive Cisco switch tasks.
  • IT professionals and aspiring DevOps/NetDevOps engineers wanting to build practical Python automation skills.
  • Beginner programmers and network enthusiasts who want a practical, hands-on guide to automating network infrastructure without complex lab setups.

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