Introduction Now I can say, from experience, that in my opinion one of the most frustrating admin tasks can be ACL updates on multi-tier firewall environments. Validation of the change and any troubleshooting if an ACL is still missed can be tedious and lengthy. Therefore, I'm delighted today

What is the Walrus Operator? Python 3.8 introduces the creatively named "walrus" operator. Expressed via :=, the walrus operator allows you to assign values to a variable as part of an expression. The key benefit to this new operator is that it reduces the amount of written code

Have you ever seen some Python code and wondered what @staticmethod and @classmethod do ? Well, let me explain ... @staticmethod A static method is a method that knows nothing about the class or instance it was called on. The class instance, therefore, is NOT passed in as an implicit first argument

Now that we have reviewed the components and tools that we will use within our pipelines, let's turn our attention to each of the pipelines, the configuration, and also a walkthrough. CI/CD Pipelines We will configure 3 pipelines - Integration, Delivery and Deployment. Let’s recap on

Welcome back. Now that we have an understanding of what NetDevOps is, let's dive into the components and tools that we will use to build our NetDevOps CI/CD pipeline. Let’s go … Components Our CI/CD pipeline will be built using a number of components. Below shows

Introduction In the world of networking NetDevOps is one of the latest buzz words flying around. But what is NetDevOps, or even DevOps? In this 3-part series we will answer these questions, and also dive into a NetDevOps implementation using Ansible, Github, Jenkins and Cisco VIRL. Our example will be

What is NSoT? Network Source of Truth (NSoT) is a Django based opensource application for the management of IP addresses (IPAM), network devices and network interfaces. NSoT provides the following for the administration of the database inventory: * REST-based API * CLI client * Python modules * UI As you will shortly see the

What is property()? When reading Python code you may have seen the following: class MyClass(object): def __init__(self): pass @property def do_something(self): return True The purpose of this function is to create a property of a class. A property looks and acts like an ordinary attribute, except

What is VRF-Lite? VRF is a feature that allows you to create separate instances of the routing table. In turn allowing you to segregate and isolate different network types. When VRFs are used without MPLS it is classed as VRF-lite. VRF-lite configuration doesn’t need the route-target and can be