# Cluster Connectivity


Use this resource to update the connectivity setting for an MSK cluster.

## URI


`/v1/clusters/clusterArn/connectivity`

## HTTP methods


### PUT


**Operation ID:** `UpdateConnectivity`

Updates the connectivity setting for the cluster.


**Path parameters**  

| Name | Type | Required | Description | 
| --- |--- |--- |--- |
| clusterArn | String | True | The Amazon Resource Name (ARN) that uniquely identifies the cluster. | 


**Responses**  

| Status code | Response model | Description | 
| --- |--- |--- |
| 200 |  UpdateConnectivityResponse | Successful response. | 
| 400 | Error | The request isn't valid because the input is incorrect. Correct your input and then submit it again. | 
| 401 | Error | The request is not authorized. The provided credentials couldn't be validated. | 
| 403 | Error | Access forbidden. Check your credentials and then retry your request. | 
| 404 | Error | The resource could not be found due to incorrect input. Correct the input, then retry the request. | 
| 429 | Error | 429 response | 
| 500 | Error | There was an unexpected internal server error. Retrying your request might resolve the issue. | 
| 503 | Error | 503 response | 

### OPTIONS


Enable CORS by returning the correct headers. 


**Path parameters**  

| Name | Type | Required | Description | 
| --- |--- |--- |--- |
| clusterArn | String | True | The Amazon Resource Name (ARN) that uniquely identifies the cluster. | 


**Responses**  

| Status code | Response model | Description | 
| --- |--- |--- |
| 200 | None | Default response for CORS method | 

## Schemas


### Request bodies


#### PUT schema
PUT

```
{
  "connectivityInfo": {
    "vpcConnectivity": {
      "clientAuthentication": {
        "sasl": {
          "iam": {
            "enabled": boolean
          },
          "scram": {
            "enabled": boolean
          }
        },
        "tls": {
          "enabled": boolean
        }
      }
    },
    "publicAccess": {
      "type": "string"
    },
    "networkType": "string"
  },
  "currentVersion": "string"
}
```

### Response bodies


#### UpdateConnectivityResponse schema
UpdateConnectivityResponse

```
{
  "clusterArn": "string",
  "clusterOperationArn": "string"
}
```

#### Error schema
Error

```
{
  "message": "string",
  "invalidParameter": "string"
}
```

## Properties


### ConnectivityInfo


Broker access controls.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| networkType | stringMinLength: 4MaxLength: 4 | False | The network type of the cluster, which is IPv4 or DUAL. The DUAL network type uses both IPv4 and IPv6 addresses for your cluster and its resources. By default, a cluster uses the IPv4 network type. | 
| publicAccess | [PublicAccess](#clusters-clusterarn-connectivity-model-publicaccess) | False | Access control settings for the cluster's brokers. | 
| vpcConnectivity | [VpcConnectivity](#clusters-clusterarn-connectivity-model-vpcconnectivity) | False | VPC connection control settings for brokers | 

### Error


Returns information about an error.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| invalidParameter | string | False | The parameter that caused the error. | 
| message | string | False | The description of the error. | 

### PublicAccess


Broker access controls


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| type | string | False | DISABLED means that public access is turned off. SERVICE\$1PROVIDED\$1EIPS means that public access is turned on. | 

### UpdateConnectivityRequest


Request body for UpdateConnectivity.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| connectivityInfo | [ConnectivityInfo](#clusters-clusterarn-connectivity-model-connectivityinfo) | True | The target connectivity setting for the cluster. | 
| currentVersion | string | True | The current version of the cluster. | 

### UpdateConnectivityResponse


Response body for UpdateConnectivity.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| clusterArn | string | False | The Amazon Resource Name (ARN) of the cluster. | 
| clusterOperationArn | string | False | The Amazon Resource Name (ARN) of the cluster operation. | 

### VpcConnectivity


VPC connection control settings for brokers.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| clientAuthentication | [VpcConnectivityClientAuthentication](#clusters-clusterarn-connectivity-model-vpcconnectivityclientauthentication) | False | VPC connection control settings for brokers. | 

### VpcConnectivityClientAuthentication


Includes all client authentication information for VpcConnectivity.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| sasl | [VpcConnectivitySasl](#clusters-clusterarn-connectivity-model-vpcconnectivitysasl) | False | Details for VpcConnectivity ClientAuthentication using SASL. | 
| tls | [VpcConnectivityTls](#clusters-clusterarn-connectivity-model-vpcconnectivitytls) | False | Details for VpcConnectivity ClientAuthentication using TLS. | 

### VpcConnectivityIAM


Details for SASL/IAM client authentication for VpcConnectivity.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| enabled | boolean | False | SASL/IAM authentication is enabled or not. | 

### VpcConnectivitySasl


Details for client authentication using SASL for VpcConnectivity.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| iam | [VpcConnectivityIAM](#clusters-clusterarn-connectivity-model-vpcconnectivityiam) | False | Details for ClientAuthentication using IAM for VpcConnectivity. | 
| scram | [VpcConnectivityScram](#clusters-clusterarn-connectivity-model-vpcconnectivityscram) | False | Details for SASL/SCRAM client authentication for VpcConnectivity. | 

### VpcConnectivityScram


Details for SASL/SCRAM client authentication for vpcConnectivity.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| enabled | boolean | False | SASL/SCRAM authentication is enabled or not. | 

### VpcConnectivityTls


Details for client authentication using TLS for vpcConnectivity.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| enabled | boolean | False | TLS authentication is enabled or not. | 

## See also


For more information about using this API in one of the language-specific AWS SDKs and references, see the following:

### UpdateConnectivity

+ [AWS Command Line Interface V2](/goto/cli2/kafka-2018-11-14/UpdateConnectivity)
+ [AWS SDK for .NET V4](/goto/DotNetSDKV4/kafka-2018-11-14/UpdateConnectivity)
+ [AWS SDK for C\$1\$1](/goto/SdkForCpp/kafka-2018-11-14/UpdateConnectivity)
+ [AWS SDK for Go v2](/goto/SdkForGoV2/kafka-2018-11-14/UpdateConnectivity)
+ [AWS SDK for Java V2](/goto/SdkForJavaV2/kafka-2018-11-14/UpdateConnectivity)
+ [AWS SDK for JavaScript V3](/goto/SdkForJavaScriptV3/kafka-2018-11-14/UpdateConnectivity)
+ [AWS SDK for Kotlin](/goto/SdkForKotlin/kafka-2018-11-14/UpdateConnectivity)
+ [AWS SDK for PHP V3](/goto/SdkForPHPV3/kafka-2018-11-14/UpdateConnectivity)
+ [AWS SDK for Python](/goto/boto3/kafka-2018-11-14/UpdateConnectivity)
+ [AWS SDK for Ruby V3](/goto/SdkForRubyV3/kafka-2018-11-14/UpdateConnectivity)