public void TestAssociateElasticIp() { VpcClient vpcClient = GetVpcClient(); AssociateElasticIpRequest request = new AssociateElasticIpRequest(); request.RegionId = "cn-north-1"; request.NetworkInterfaceId = "port-ovvw8hxuwe"; request.ElasticIpId = "fip-thkwn73kai"; // request.PrivateIpAddress = "10.100.0.18"; var result = vpcClient.AssociateElasticIp(request).Result; _output.WriteLine(JsonConvert.SerializeObject(result)); }