**To replace the specified route in the specified transit gateway route table** The following ``replace-transit-gateway-route`` example replaces the route in the specified transit gateway route table. :: aws ec2 replace-transit-gateway-route \ --destination-cidr-block 10.0.2.0/24 \ --transit-gateway-attachment-id tgw-attach-09b52ccdb5EXAMPLE \ --transit-gateway-route-table-id tgw-rtb-0a823edbdeEXAMPLE Output:: { "Route": { "DestinationCidrBlock": "10.0.2.0/24", "TransitGatewayAttachments": [ { "ResourceId": "vpc-4EXAMPLE", "TransitGatewayAttachmentId": "tgw-attach-09b52ccdb5EXAMPLE", "ResourceType": "vpc" } ], "Type": "static", "State": "active" } } For more information, see `Transit gateway route tables <https://docs.aws.amazon.com/vpc/latest/tgw/tgw-route-tables.html>`__ in the *Transit Gateways Guide*.