# ionoscloud\_datacenter\_nsg\_selection

Links a Network Security Group to a IonosCloud datacenter. The datacenter can only have one linked NSG. To set a new NSG for the datacenter, the current one will be unlinked.

## Example Usage

A Network Security Group can be linked to a `ionoscloud_datacenter` with this resource. Deleting the resource will unlink the NSG from the datacenter.

### Select an external volume

```hcl
resource "ionoscloud_datacenter" "example" {
  name            = "Datacenter Default NSG Example"
  location        = "de/fra"
}

resource "ionoscloud_nsg" "example" {
  name              = "NSG"
  description       = "NSG"
  datacenter_id     = ionoscloud_datacenter.example.id
}

resource "ionoscloud_datacenter_nsg_selection" "example"{
  datacenter_id     = ionoscloud_datacenter.example.id
  nsg_id            = ionoscloud_nsg.example.id
}
```

## Argument reference

* `datacenter_id` - (Required)\[string] The ID of a Virtual Data Center.
* `nsg_id` - (Required)\[string] The ID of a Network Security Group.