When it comes to network automation we can’t forget about the real foundation – the single source of truth. What would we do without it? You can have the best automation scripts possible, but without a complete database of your
What to expect in pexpect? – Advanced examples
I remember how frustrated I was at the beginning of my journey with pexpect. I never knew what string to put as an expect argument, and even if I knew, the pexpect wasn’t catching it. Today we will go through
Pagination handling with pexpect
In this article, we will examine the apparently easy task which is a retrieval of the show version command from the Cisco router. What could go wrong there, and how to fix it? Let’s figure it out! Workflow overview Today,
Script runtime optimization with pexpect
Automation itself is a milestone when it comes to efficiency. Tasks can be executed simultaneously on many devices even during nights/holidays. Sometimes, however, it has its limits. As the task execution time grows more and more, it’s a good idea
Flow control with pexpect
Using pexpect is pretty straightforward, but what about the situations, when we don’t know in what state the device, that we’re interacting with is? In such a scenario, we have to implement logic in our script that could handle different
Basic Cisco router automation workflow with pexpect
Network automation can take many forms depending on the technologies and environments. Sometimes though, we have to dive deep into low-level automation, where we can’t use REST API or other more-convenient technologies. In this article, we will take a brief
Network automation – why does it matter?
I’m happy to announce the first effects of cooperation with Codilime! Together with Piotr Banaś, we wrote an article explaining our point of view, on why network automation matters.
Cisco SD-WAN REST API calls with Python’s requests library
In the previous article on Cisco SD-WAN, I’ve shown you how to interact with the vManage using Postman software. Now it’s time to do some coding. We will interact with the SD-WAN using the Python requests library. For this article,
Cisco SD-WAN REST API calls with Postman
This article starts a series covering the depths of Cisco SD-WAN. This time, however, we will just scratch the surface with some basic requests. For that, we will use the Postman software and Cisco SD-WAN 20.4 Always On sandbox Authentication
TCN impact on the MST topology
Topology changes in a spanning-tree domain are inevitable. But what actually happens, and what impact does it have on the environment? We will find it out in this article! Topology We will examine today’s scenarios on the 3-tier topology. We’ve