Layer 3 is the classical deployment method for the PA firewall, and it is always considered the standard and most powerful deployment method because it has all of the functionalities, while other deployment methods have some limitations (example of the other deployment methods are virtual wire, layer 2, etc …)
In this tutorial, I will explain Layer 3 Interfaces deployment.
The concept of configuration management
PA configuration management has powerful functions to manage configuration, but at the same time it can be very confusing if you are used to other firewalls vendors. So, let me explain the concept of configuration management, and how to set it up in the right way in order to be effective to make a full use of it.
I would like to share my experience with you. Let’s start with configuration management; on a Palo Alto firewall, there is a dedicated Management plane and Data plane.
IT mug 