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[[wikipedia:IP address]] | [[wikipedia:IP address]] | ||
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Internet Protocol version 4 ([[IPv4]]) defines an IP address as a 32-bit number. IP addresses are written and displayed in human-readable notations, such as 172.16.0.1 in [[IPv4]]. | Internet Protocol version 4 ([[IPv4]]) defines an IP address as a 32-bit number. IP addresses are written and displayed in human-readable notations, such as 172.16.0.1 in [[IPv4]]. | ||
− | * Ansible | + | |
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+ | * Ansible [[jinja2]] templates provides filter to test is a IP is valid.<ref>https://docs.ansible.com/ansible/latest/user_guide/playbooks_filters.html#ip-address-filter</ref> | ||
== Find [[Public IP]] address from command line == | == Find [[Public IP]] address from command line == | ||
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* <code>[[geoiplookup]]</code> | * <code>[[geoiplookup]]</code> | ||
* <code>[[subnet mask]]</code> | * <code>[[subnet mask]]</code> | ||
− | * [[Cisco IOS]]: <code>[[ip address (command) | + | * [[Cisco IOS]]: <code>[[ip address (command)]]</code> |
* Duplicate ip address: | * Duplicate ip address: | ||
** [[Cisco IOS]]: <code>[[show ip dhcp conflict]]</code> | ** [[Cisco IOS]]: <code>[[show ip dhcp conflict]]</code> | ||
* [[EIP]] ([[AWS]]): <code>[[aws ec2 describe-addresses]]</code> | * [[EIP]] ([[AWS]]): <code>[[aws ec2 describe-addresses]]</code> | ||
− | * | + | * [[Terraform: aws eip]] |
* <code>[[ip (command)]]</code> | * <code>[[ip (command)]]</code> | ||
* <code>[[gcloud compute addresses list]]</code> | * <code>[[gcloud compute addresses list]]</code> | ||
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== See also == | == See also == |
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