YAML

1. Definition: YAML Ain't Markup Language (Originally, Yet Another Markup Language) is a human-readable format where whitespace is significant, and is used by Ansible
   1. Often used in Python, Perl, and Ansible
      1. Ansible Playbook uses YAML
   2. Designed to be easily read by humans
      1. White space (indentation) is important
         1. anything at a common indentation level is considered related at the same level
2. YAML Formatting
   1. starts with ---
   2. key: value representation
   3. - indicates a list

YAML Sample

---
NETWORKING:
	domain_name: cisco.com
	domain_name_servers: [171.70.168.183]
	networks:
	- gateway: 192.168.50.1
	  pool: [192.168.50.100 to 192.168.50.2504
	  segments: [management, provision]
	  subnet: 192.168.50.0/24
	  vlan_id: 105

Metadata

OSI or TCP/IP Layer

CCNA Exam Topic

Contributors

Sources

Cisco Sample setup_data.yaml File