Ansible was originally made for managing nodes with full operating systems such as Linux and Windows before it was extended to support network equipment. You may have already noticed the subtle differences in playbooks that we have used so far for network devices, such as the lines of gather_facts: false and connection: local; we will take a closer look at the differences in the following sections.
Ansible modules are Python code that's executed on the remote host by default. Because of the fact that most network equipment does not expose Python directly, or they simply do not contain Python, we are almost always executing the playbook locally. This means that the playbook is interpreted locally first and commands or configurations are pushed out later on as needed.
Recall that the remote host facts were gathered via the setup module, which was added by default. Since we are executing the playbook locally, the setup module will gather...