# CreateTransitGatewayConnectPeer
<a name="API_CreateTransitGatewayConnectPeer"></a>

Creates a Connect peer for a specified transit gateway Connect attachment between a transit gateway and an appliance.

The peer address and transit gateway address must be the same IP address family (IPv4 or IPv6).

For more information, see [Connect peers](https://docs.aws.amazon.com/vpc/latest/tgw/tgw-connect.html#tgw-connect-peer) in the * AWS Transit Gateways Guide*.

## Request Parameters
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The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see [Common Query Parameters](CommonParameters.md).

 **BgpOptions**   
The BGP options for the Connect peer.  
Type: [TransitGatewayConnectRequestBgpOptions](API_TransitGatewayConnectRequestBgpOptions.md) object  
Required: No

 **DryRun**   
Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is `DryRunOperation`. Otherwise, it is `UnauthorizedOperation`.  
Type: Boolean  
Required: No

 **InsideCidrBlocks.N**   
The range of inside IP addresses that are used for BGP peering. You must specify a size /29 IPv4 CIDR block from the `169.254.0.0/16` range. The first address from the range must be configured on the appliance as the BGP IP address. You can also optionally specify a size /125 IPv6 CIDR block from the `fd00::/8` range.  
Type: Array of strings  
Required: Yes

 **PeerAddress**   
The peer IP address (GRE outer IP address) on the appliance side of the Connect peer.  
Type: String  
Required: Yes

 **TagSpecification.N**   
The tags to apply to the Connect peer.  
Type: Array of [TagSpecification](API_TagSpecification.md) objects  
Required: No

 **TransitGatewayAddress**   
The peer IP address (GRE outer IP address) on the transit gateway side of the Connect peer, which must be specified from a transit gateway CIDR block. If not specified, Amazon automatically assigns the first available IP address from the transit gateway CIDR block.  
Type: String  
Required: No

 **TransitGatewayAttachmentId**   
The ID of the Connect attachment.  
Type: String  
Required: Yes

## Response Elements
<a name="API_CreateTransitGatewayConnectPeer_ResponseElements"></a>

The following elements are returned by the service.

 **requestId**   
The ID of the request.  
Type: String

 **transitGatewayConnectPeer**   
Information about the Connect peer.  
Type: [TransitGatewayConnectPeer](API_TransitGatewayConnectPeer.md) object

## Errors
<a name="API_CreateTransitGatewayConnectPeer_Errors"></a>

For information about the errors that are common to all actions, see [Common client error codes](errors-overview.md#CommonErrors).

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/ec2-2016-11-15/CreateTransitGatewayConnectPeer) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/ec2-2016-11-15/CreateTransitGatewayConnectPeer) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/CreateTransitGatewayConnectPeer) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/ec2-2016-11-15/CreateTransitGatewayConnectPeer) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/CreateTransitGatewayConnectPeer) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/ec2-2016-11-15/CreateTransitGatewayConnectPeer) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/ec2-2016-11-15/CreateTransitGatewayConnectPeer) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/ec2-2016-11-15/CreateTransitGatewayConnectPeer) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/ec2-2016-11-15/CreateTransitGatewayConnectPeer) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/CreateTransitGatewayConnectPeer)