# EC2ReplaceRouteAction


Information about the ReplaceRoute action in Amazon EC2.

## Contents


 ** RouteTableId **   <a name="fms-Type-EC2ReplaceRouteAction-RouteTableId"></a>
Information about the ID of the route table.  
Type: [ActionTarget](API_ActionTarget.md) object  
Required: Yes

 ** Description **   <a name="fms-Type-EC2ReplaceRouteAction-Description"></a>
A description of the ReplaceRoute action in Amazon EC2.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1024.  
Required: No

 ** DestinationCidrBlock **   <a name="fms-Type-EC2ReplaceRouteAction-DestinationCidrBlock"></a>
Information about the IPv4 CIDR address block used for the destination match. The value that you provide must match the CIDR of an existing route in the table.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Pattern: `[a-f0-9:./]+`   
Required: No

 ** DestinationIpv6CidrBlock **   <a name="fms-Type-EC2ReplaceRouteAction-DestinationIpv6CidrBlock"></a>
Information about the IPv6 CIDR address block used for the destination match. The value that you provide must match the CIDR of an existing route in the table.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Pattern: `[a-f0-9:./]+`   
Required: No

 ** DestinationPrefixListId **   <a name="fms-Type-EC2ReplaceRouteAction-DestinationPrefixListId"></a>
Information about the ID of the prefix list for the route.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1024.  
Pattern: `^([\p{L}\p{Z}\p{N}_.:/=+\-@]*)$`   
Required: No

 ** GatewayId **   <a name="fms-Type-EC2ReplaceRouteAction-GatewayId"></a>
Information about the ID of an internet gateway or virtual private gateway.  
Type: [ActionTarget](API_ActionTarget.md) object  
Required: No

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/fms-2018-01-01/EC2ReplaceRouteAction) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/fms-2018-01-01/EC2ReplaceRouteAction) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/fms-2018-01-01/EC2ReplaceRouteAction)