In the system administration world, Ansible is a well know tool used to deployand manage systems easily and seamlessly. However, few people know this canalso be used by network engineer to manage manage all kind of switches andnetwork equipement thanks to the flexibility of the agent-less design. This inturn open the doors of automation of the network layer without the disruptionof a complete SDN solution, permitting to adopt modern best practices ofmanagement with small step, and starting the culture change required forembracing SDN. The talk will quickly present Ansible, its principles, and how you can use itto manage a simple server. Then we will go deeper in the topic of network, thephilosophy behind the network modules, their limitations, and how to use them.