Suresh Vinasiththamby

Overview As a network engineer, I often find myself working with CSV files on a daily basis. For example, if

In this blog post, we will explore Juniper Junos initial configurations. The following example is based on Juniper vSRX running

'Python List Comprehension' is a concise way to create a list. It is a single line of code

Why do we need First Hop Redundancy Protocols? Almost all the connected end devices such as laptops, printers, televisions etc

In this blog post, we will go through the steps required to get structured output from network devices using TextFSM,

If you are working with firewalls on a daily basis, at some point you are going to come across having

In the previous two posts, we covered PanOS REST API fundamentals and GET requests. In this post, we will look

Overview Cisco StackWise Virtual allows two physical switches to operate as a single logical virtual switch. When using StackWise Virtual,

In the previous post, we covered Ansible + Palo Alto fundamentals, in this post, let's go over the example

What if I tell you that configuring a site-to-site VPN between Palo Alto and ASA is easier than you may

If I remember correctly, Cisco introduced Virtual Tunnel Based (VTI) VPN back in 2017 with a 9.7.1 code

By default, Ansible requires values for all variables in a templated expression. If a variable is not defined, it throws

Overview High Availability is one of the most crucial requirements for a smooth network operation. In terms of routers or

Recently, I came across a task of generating configurations for a handful of Cisco switches. The most important thing of

In this blog post we will look at how to upgrade Cisco Catalyst 3850 Series Stack Switches using Install mode.

Once you start working with Python, sooner or later you will come across having to work with CSV files. In