/v1/projects/{project_id}/iou/vms/{vm_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio
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.. contents::

POST /v1/projects/**{project_id}**/iou/vms/**{vm_id}**/adapters/**{adapter_number:\d+}**/ports/**{port_number:\d+}**/nio
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Add a NIO to a IOU instance

Parameters
**********
- **port_number**: Port where the nio should be added
- **adapter_number**: Network adapter where the nio is located
- **vm_id**: UUID for the instance
- **project_id**: UUID for the project

Response status codes
**********************
- **400**: Invalid request
- **201**: NIO created
- **404**: Instance doesn't exist


DELETE /v1/projects/**{project_id}**/iou/vms/**{vm_id}**/adapters/**{adapter_number:\d+}**/ports/**{port_number:\d+}**/nio
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Remove a NIO from a IOU instance

Parameters
**********
- **port_number**: Port from where the nio should be removed
- **adapter_number**: Network adapter where the nio is located
- **vm_id**: UUID for the instance
- **project_id**: UUID for the project

Response status codes
**********************
- **400**: Invalid request
- **404**: Instance doesn't exist
- **204**: NIO deleted