Ansible — Agentless Network Automation

Agentless automation over SSH: a control node connects to managed nodes, runs YAML playbooks, and enforces desired state — idempotent, so re-running a correct playbook changes nothing. Inventory groups hosts ([routers] R1 ansible_host=10.1.1.1); variables cascade inventory → group_vars → host_vars for templating. Network modules (ios_config, ios_command) speak CLI through netconf/ssh connection plugins. Push model, no […]