About Us

Kirk Byers is the founder of Twin Bridges Technology–a business specializing in network automation training. He is the creator of the Netmiko Python library and also one of the core maintainers of the NAPALM project.

He teaches Python, Ansible, and Nornir courses for Network Engineers and writes about network automation at pynet.twb-tech.com. He is a long-time network engineer (CCIE #6243 emeritus), has extensive experience with *nix system administration, and is a Python programmer. He is interested in programming and networking and how to improve network engineering practices through automation.

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About Us

Articles & Videos

Content we have created covering various network automation topics such as: Ansible, Nornir, Netmiko, NAPALM, TextFSM, and TTP.

Our Courses

Since 2014, we have offered paid courses on network automation including courses on Python, Ansible, Netmiko, and Nornir.

Starts: May 19

Python Network Automation

This course is a ten-week email course. Each week you will receive a lesson that contains a set of videos, some additional content, and some exercises. I will post solutions to the exercises online. Both the Plus and the Premium Package have a community forum where you can ask questions, post code, and interact with me and with the other students.

10 Lessons
Course Details
Starts: Jun 16

Ansible Network Automation

This course is an eight-week email course. Each week you will receive a lesson that contains a set of videos, some additional content, and some exercises. We will post solutions to the exercises online. Both the Plus and Premium Packages will have a community forum where you can ask questions, post code, and interact with us and with the other students.

8 Lessons
Course Details
10% Discount
Starts: Fall   

Netmiko by Example

This course is a twelve lesson, six-week email course. The lessons are sent every Tuesday and Thursday. The lessons contain videos, exercises, and additional content. We have posted solutions to the exercises online. For the Plus Package, there are two additional bonus lessons covering Netmiko4 features and there also is a community forum where you can ask questions, post code, and interact with other students.

12 Lessons
Course Details
Starts: Fall   

Nornir Automation

This course is a six-week email course. Each week you will receive a lesson that contains a set of videos, some additional content, and some exercises. We will post solutions to the exercises online. Both the Plus and the Premium Package have a community forum where you can ask questions, post code, and interact with us and with the other students.

6 Lessons
Course Details

Open-Source Work

Since 2014, we have been contributors to various Network Automation open-source projects.

In 2014, Kirk began work on the Netmiko library which simplifies automating legacy screen-scraping. We have actively maintainted that library since that time and have increased the Netmiko driver support to over eighty vendors.

In addition, to our Netmiko work we have done extensive work on the NAPALM automation library. Kirk is one of the core NAPALM maintainers. He was a key contributor on the Cisco IOS driver for NAPALM. He also has maintained many aspects of the NAPALM NX-OS driver and the NAPALM-Ansible modules.

Twin Bridges has also worked on the Nornir Automation Framework including maintaining the nornir-netmiko bindings and helping with several other Nornir plugins.

Student Success

  • I decided to take Kirk's courses on Ansible and Nornir during the stay-at-home-orders in 2020 when COVID-19 hit the world. After the first few lessons I was able to write my first script to check for and add VLANs to our NX-OS environment.

    Stian Liebenberg
    Senior Wireless Engineer

  • I have taken several paid and non-paid Python courses. I can say that by far your course is the best one I have taken. The way you explained stuff just makes sense to me.

    Joli Martinez
    Automation Engineer

  • I am on the material for the 3rd week and I just wanted to compliment you on the way that you explained how to unwrap the data structures. Best step by step explanation I have seen so far to help me understand and work with the data. Thank you very much!

    Ray deGuzman
    Senior Network Engineer