Amazon web services DMS复制实例连接到RDS失败，但同一AZ中的EC2实例可以工作

DMS复制实例连接到不同VPC中的RDS实例失败，但当我通过在与DMS复制实例相同的子网中创建EC2来解决问题时，我可以成功地telnet、nslookup、psql连接到RDS实例…真让人困惑

DMS实例连接到不同VPC的RDS实例时的错误消息：

Test Endpoint failed: Application-Status: 1020912, Application-Message: Cannot connect to ODBC provider  Network error has occurred, Application-Detailed-Message: RetCode: SQL_ERROR  SqlState: 08001 NativeError: 101 Message: [unixODBC]could not connect to server: No route to host  Is the server running on host "pgdb.cf1p5lx4ynpa.us-west-2.rds.amazonaws.com" (192.168.0.131) and accepting  TCP/IP connections on port 5432?   ODBC general error. Cannot connect to ODBC provider  Network error has occurred RetCode: SQL_ERROR  SqlState: 08001 NativeError: 101 Message: [unixODBC]could not connect to server: No route to host  Is the server running on host "pgdb.cf1p5lx4ynpa.us-west-2.rds.amazonaws.com" (192.168.0.131) and accepting  TCP/IP connections on port 5432?   ODBC general error. Cannot connect to ODBC provider  Network error has occurred RetCode: SQL_ERROR  SqlState: 08001 NativeError: 101 Message: [unixODBC]could not connect to server: No route to host  Is the server running on host "pgdb.cf1p5lx4ynpa.us-west ```

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这是因为DMS保留192.168.0.0/24范围

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请看这里：

谢谢，马特。我花了很多时间来解决同一个问题。这救了我。