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

> ## 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.

# enableFlowLog

Available in VPC

Enable the flow log of a network interface.

## Syntax

The `enableFlowLog` syntax is as follows:

```
./ncloud vserver enableFlowLog \
    --networkInterfaceNo <nic-no> \
    --collectActionTypeCode <ALLOW|DENY|ALL> \
    --storageBucketName <bucket-name> \
    [--collectIntervalMinute <interval-minute>] \
    [--storageTypeCode <OBJT>] \
    [--storageBucketDirectoryName <bucket-directory-name>] \
    [--regionCode <KR|SGN|JPN>] \
    [--output <json|xml>]
```

## Options

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

### Required options

The following options are required for `enableFlowLog`.

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--networkInterfaceNo` | String | Required | Network interface number - See [getNetworkInterfaceList](/docs/en/cli-vserver-networkinterface-getnetworkinterfacelist). |
| `--collectActionTypeCode` | String | Required | Collection action type code - `ALLOW` \| `DENY` \| `ALL` - `ALLOW`: Allow - `DENY`: Deny - `ALL`: All |
| `--storageBucketName` | String | Required | Bucket name - See [Object Storage](/docs/en/guide-objectstorage). |

### Optional options

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

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--collectIntervalMinute` | Integer | Optional | Collection unit (minute) - `5`-`15` (default: `15`) |
| `--storageTypeCode` | String | Optional | Storage location - `OBJT`: Object Storage |
| `--storageBucketDirectoryName` | String | Optional | Bucket folder name - Enter 3-100 characters by combining lowercase English letters, numbers, and special character `_`. - Default: `VPC_FLOW_LOG` |

### 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 enable the flow log is successful, the network interface number and flow log collection settings are returned.

### Command

The command example is as follows:

```
./ncloud vserver enableFlowLog \
    --networkInterfaceNo 56789012 \
    --collectActionTypeCode ALL \
    --storageBucketName my-test-bucket \
    --collectIntervalMinute 5 \
    --storageTypeCode OBJT \
    --storageBucketDirectoryName myflowlog \
    --regionCode KR \
    --output json
```

### Output

The output example is as follows:

```
{
  "enableFlowLogResponse": {
    "totalRows": 1,
    "flowLogConfigurationList": [
      {
        "networkInterfaceNo": "56789012",
        "collectActionType": {
          "code": "ALL",
          "codeName": "All"
        },
        "collectIntervalMinute": 5,
        "storageType": {
          "code": "OBJT",
          "codeName": "Object Storage"
        },
        "storageBucketName": "my-test-bucket",
        "storageBucketDirectoryName": "myflowlog"
      }
    ],
    "requestId": "39012345-6789-0123-3456-901234567890",
    "returnCode": "0",
    "returnMessage": "success"
  }
}
```