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# aci_bd_subnet – Manage Subnets (fv:Subnet)

New in version 2.4.

- Synopsis
- Parameters
- Notes
- See Also
- Examples
- Return Values
- Status

## Synopsis

- Manage Subnets on Cisco ACI fabrics.

## Parameters

Parameter | Choices/Defaults | Comments
--- | --- | ---
bd string |  | The name of the Bridge Domain. aliases: bd_name
certificate_name string |  | The X.509 certificate name attached to the APIC AAA user used for signature-based authentication. If a `private_key` filename was provided, this defaults to the `private_key` basename, without extension. If PEM-formatted content was provided for `private_key`, this defaults to the `username` value. aliases: cert_name
description string |  | The description for the Subnet. aliases: descr
enable_vip boolean | Choices: no yes | Determines if the Subnet should be treated as a VIP; used when the BD is extended to multiple sites. The APIC defaults to `no` when unset during creation.
gateway string |  | The IPv4 or IPv6 gateway address for the Subnet. aliases: gateway_ip
host string / required |  | IP Address or hostname of APIC resolvable by Ansible control host. aliases: hostname
mask integer |  | The subnet mask for the Subnet. This is the number associated with CIDR notation. For IPv4 addresses, accepted values range between `0` and `32`. For IPv6 addresses, accepted Values range between `0` and `128`. aliases: subnet_mask
nd_prefix_policy string |  | The IPv6 Neighbor Discovery Prefix Policy to associate with the Subnet.
output_level string | Choices: debug info normal ← | Influence the output of this ACI module. `normal` means the standard output, incl. `current` dict `info` adds informational output, incl. `previous`, `proposed` and `sent` dicts `debug` adds debugging output, incl. `filter_string`, `method`, `response`, `status` and `url` information
password string / required |  | The password to use for authentication. This option is mutual exclusive with `private_key`. If `private_key` is provided too, it will be used instead.
port integer |  | Port number to be used for REST connection. The default value depends on parameter `use_ssl`.
preferred boolean | Choices: no yes | Determines if the Subnet is preferred over all available Subnets. Only one Subnet per Address Family (IPv4/IPv6). can be preferred in the Bridge Domain. The APIC defaults to `no` when unset during creation.
private_key string / required |  | Either a PEM-formatted private key file or the private key content used for signature-based authentication. This value also influences the default `certificate_name` that is used. This option is mutual exclusive with `password`. If `password` is provided too, it will be ignored. aliases: cert_key
route_profile string |  | The Route Profile to the associate with the Subnet.
route_profile_l3_out string |  | The L3 Out that contains the associated Route Profile.
scope list | Choices: private public shared | Determines the scope of the Subnet. The `private` option only allows communication with hosts in the same VRF. The `public` option allows the Subnet to be advertised outside of the ACI Fabric, and allows communication with hosts in other VRFs. The shared option limits communication to hosts in either the same VRF or the shared VRF. The value is a list of options, `private` and `public` are mutually exclusive, but both can be used with `shared`. The APIC defaults to `private` when unset during creation.
state string | Choices: absent present ← query | Use `present` or `absent` for adding or removing. Use `query` for listing an object or multiple objects.
subnet_control string | Choices: nd_ra no_gw querier_ip unspecified | Determines the Subnet's Control State. The `querier_ip` option is used to treat the gateway_ip as an IGMP querier source IP. The `nd_ra` option is used to treat the gateway_ip address as a Neighbor Discovery Router Advertisement Prefix. The `no_gw` option is used to remove default gateway functionality from the gateway address. The APIC defaults to `nd_ra` when unset during creation.
subnet_name string |  | The name of the Subnet. aliases: name
tenant string |  | The name of the Tenant. aliases: tenant_name
timeout integer | Default: 30 | The socket level timeout in seconds.
use_proxy boolean | Choices: no yes ← | If `no`, it will not use a proxy, even if one is defined in an environment variable on the target hosts.
use_ssl boolean | Choices: no yes ← | If `no`, an HTTP connection will be used instead of the default HTTPS connection.
username string | Default: "admin" | The username to use for authentication. aliases: user
validate_certs boolean | Choices: no yes ← | If `no`, SSL certificates will not be validated. This should only set to `no` when used on personally controlled sites using self-signed certificates.

## Notes

Note

- The `gateway` parameter is the root key used to access the Subnet (not name), so the `gateway` is required when the state is `absent` or `present`.
- The `tenant` and `bd` used must exist before using this module in your playbook. The aci_tenant module and aci_bd can be used for these.

## See Also

See also

aci_bd – Manage Bridge Domains (BD) objects (fv:BD)
  The official documentation on the aci_bd module.
aci_tenant – Manage tenants (fv:Tenant)
  The official documentation on the aci_tenant module.
APIC Management Information Model reference
  More information about the internal APIC class fv:Subnet.
Cisco ACI Guide
  Detailed information on how to manage your ACI infrastructure using Ansible.
Developing Cisco ACI modules
  Detailed guide on how to write your own Cisco ACI modules to contribute.

## Examples

    - name: Create a tenant
      aci_tenant:
        host: apic
        username: admin
        password: SomeSecretPassword
        tenant: production
        state: present
      delegate_to: localhost

    - name: Create a bridge domain
      aci_bd:
        host: apic
        username: admin
        password: SomeSecretPassword
        tenant: production
        bd: database
        state: present
      delegate_to: localhost

    - name: Create a subnet
      aci_bd_subnet:
        host: apic
        username: admin
        password: SomeSecretPassword
        tenant: production
        bd: database
        gateway: 10.1.1.1
        mask: 24
        state: present
      delegate_to: localhost

    - name: Create a subnet with options
      aci_bd_subnet:
        host: apic
        username: admin
        password: SomeSecretPassword
        tenant: production
        bd: database
        subnet_name: sql
        gateway: 10.1.2.1
        mask: 23
        description: SQL Servers
        scope: public
        route_profile_l3_out: corp
        route_profile: corp_route_profile
        state: present
      delegate_to: localhost

    - name: Update a subnets scope to private and shared
      aci_bd_subnet:
        host: apic
        username: admin
        password: SomeSecretPassword
        tenant: production
        bd: database
        gateway: 10.1.1.1
        mask: 24
        scope: [private, shared]
        state: present
      delegate_to: localhost

    - name: Get all subnets
      aci_bd_subnet:
        host: apic
        username: admin
        password: SomeSecretPassword
        state: query
      delegate_to: localhost

    - name: Get all subnets of specific gateway in specified tenant
      aci_bd_subnet:
        host: apic
        username: admin
        password: SomeSecretPassword
        tenant: production
        gateway: 10.1.1.1
        mask: 24
        state: query
      delegate_to: localhost
      register: query_result

    - name: Get specific subnet
      aci_bd_subnet:
        host: apic
        username: admin
        password: SomeSecretPassword
        tenant: production
        bd: database
        gateway: 10.1.1.1
        mask: 24
        state: query
      delegate_to: localhost
      register: query_result

    - name: Delete a subnet
      aci_bd_subnet:
        host: apic
        username: admin
        password: SomeSecretPassword
        tenant: production
        bd: database
        gateway: 10.1.1.1
        mask: 24
        state: absent
      delegate_to: localhost

## Return Values

Common return values are documented here, the following are the fields unique to this module:

Key | Returned | Description
--- | --- | ---
current list | success | The existing configuration from the APIC after the module has finished Sample: [{'fvTenant': {'attributes': {'descr': 'Production environment', 'dn': 'uni/tn-production', 'name': 'production', 'nameAlias': '', 'ownerKey': '', 'ownerTag': ''}}}]
error dictionary | failure | The error information as returned from the APIC Sample: {'code': '122', 'text': 'unknown managed object class foo'}
filter_string string | failure or debug | The filter string used for the request Sample: ?rsp-prop-include=config-only
method string | failure or debug | The HTTP method used for the request to the APIC Sample: POST
previous list | info | The original configuration from the APIC before the module has started Sample: [{'fvTenant': {'attributes': {'descr': 'Production', 'dn': 'uni/tn-production', 'name': 'production', 'nameAlias': '', 'ownerKey': '', 'ownerTag': ''}}}]
proposed dictionary | info | The assembled configuration from the user-provided parameters Sample: {'fvTenant': {'attributes': {'descr': 'Production environment', 'name': 'production'}}}
raw string | parse error | The raw output returned by the APIC REST API (xml or json) Sample: <?xml version="1.0" encoding="UTF-8"?><imdata totalCount="1"><error code="122" text="unknown managed object class foo"/></imdata>
response string | failure or debug | The HTTP response from the APIC Sample: OK (30 bytes)
sent list | info | The actual/minimal configuration pushed to the APIC Sample: {'fvTenant': {'attributes': {'descr': 'Production environment'}}}
status integer | failure or debug | The HTTP status from the APIC Sample: 200
url string | failure or debug | The HTTP url used for the request to the APIC Sample: https://10.11.12.13/api/mo/uni/tn-production.json

## Status

- This module is not guaranteed to have a backwards compatible interface. [preview]
- This module is maintained by an Ansible Partner. [certified]

### Authors

- Jacob McGill (@jmcgill298)

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