---
title: "createNetworkInterface"
slug: "cli-vserver-networkinterface-createnetworkinterface"
tags: ["VPC", "Server"]
updated: 2026-09-17T10:08:33Z
published: 2026-09-17T10:08:33Z
canonical: "cli.ncloud-docs.com/cli-vserver-networkinterface-createnetworkinterface"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://cli.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# createNetworkInterface

Available in VPC

Create a network interface.

## Syntax

The `createNetworkInterface` syntax is as follows:

```
./ncloud vserver createNetworkInterface \
    --vpcNo <vpc-no> \
    --subnetNo <subnet-no> \
    --accessControlGroupNoList <acg-no-list> \
    [--serverInstanceNo <server-instance-no>] \
    [--isBareMetal <true|false>] \
    [--networkInterfaceName <nic-name>] \
    [--networkInterfaceDescription <nic-description>] \
    [--ip <ip>] \
    [--secondaryIpList <secondary-ip-list>] \
    [--secondaryIpCount <secondary-ip-count>] \
    [--regionCode <KR|SGN|JPN>] \
    [--output <json|xml>]
```

## Options

This section describes the options available when running `createNetworkInterface`.

### Required options

The following options are required for `createNetworkInterface`.

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--vpcNo` | String | Required | VPC number - See [getVpcList](/docs/en/cli-vpc-vpcmanagement-getvpclist). |
| `--subnetNo` | String | Required | Subnet number - See [getSubnetList](/docs/en/cli-vpc-subnetmanagement-getsubnetlist). |
| `--accessControlGroupNoList` | List | Required | ACG number list - You can enter 1-3 items separated by spaces. (e.g., `--accessControlGroupNoList 1234 2345`) - See [getAccessControlGroupList](/docs/en/cli-vserver-acg-getaccesscontrolgrouplist). |
| `--serverInstanceNo` | String | Conditional | Server instance number - Can be assigned to the server only if it is a network interface on a private subnet. - See [getServerInstanceList](/docs/en/cli-vserver-server-getserverinstancelist). |

### Optional options

These are the optional options for `createNetworkInterface`. Options that are not specified will use their default values.

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--isBareMetal` | Boolean | Optional | Whether it is a network interface for bare metal servers - `true` \| `false` (default) - `true`: For bare metal servers (`serverInstanceNo` required) - `false`: General - Network interfaces for bare metal servers can't be created on general subnets. |
| `--networkInterfaceName` | String | Optional | Network interface name - Automatically generated if not entered. - Enter 3-30 characters using a combination of lowercase English letters, numbers, and special character `-`. - The string must start with a lowercase English letter and end with a lowercase English letter or a number. |
| `--networkInterfaceDescription` | String | Optional | Network interface description (byte) - 0-1000 |
| `--ip` | String | Optional | Primary IP address - Automatically assigned if not entered. - Enter in the subnet IP's address range. - Subnet's 0-5th and last IP addresses can't be used. - Can't duplicate IP addresses within the subnet range. |
| `--secondaryIpList` | List | Optional | Secondary IP list - You can enter multiple items separated by spaces. (e.g., `--secondaryIpList 192.168.0.1 192.168.0.2`) - Enter in the subnet IP's address range. - Up to 5 can be entered including `secondaryIpCount`. - Can't duplicate IP addresses within the subnet range. |
| `--secondaryIpCount` | Integer | Optional | Number of auto-assigned secondary IPs - 0-5 - Automatically assign private IPs sequentially. - Up to 5 can be entered including `secondaryIpList`. |

### Common options

For information about the options common to all `vserver` subcommands, see [Server (VPC) options](/docs/en/cli-vserver#%EC%98%B5%EC%85%98).

## Examples

If the request to create a network interface is successful, the network interface's identification information and network configuration are returned.

### Command

The command example is as follows:

```
./ncloud vserver createNetworkInterface \
    --vpcNo 12345678 \
    --subnetNo 23456789 \
    --accessControlGroupNoList 67890123 \
    --networkInterfaceName test-nic-01 \
    --networkInterfaceDescription "Test network interface" \
    --secondaryIpCount 1 \
    --regionCode KR \
    --output json
```

### Output

The output example is as follows:

```
{
  "createNetworkInterfaceResponse": {
    "totalRows": 1,
    "networkInterfaceList": [
      {
        "networkInterfaceNo": "56789012",
        "networkInterfaceName": "test-nic-01",
        "subnetNo": "23456789",
        "deleteOnTermination": false,
        "isDefault": false,
        "deviceName": "",
        "networkInterfaceStatus": {
          "code": "NOTUSED",
          "codeName": "Not used"
        },
        "ip": "192.0.2.10",
        "macAddress": "F2:20:AF:00:00:01",
        "enableFlowLog": false,
        "accessControlGroupNoList": [
          "67890123"
        ],
        "networkInterfaceDescription": "Test network interface",
        "secondaryIpList": [
          "192.0.2.11"
        ]
      }
    ],
    "requestId": "b1c2d3e4-f5a6-7890-bcde-f12345678901",
    "returnCode": "0",
    "returnMessage": "success"
  }
}
```