question: public static SnmpEngineId createEngineId ( int port , int iana ) throws UnknownHostException { InetAddress address = null ; address = InetAddress . getLocalHost ( ) ; return createEngineId ( address , port , iana ) ; }
target:  Generates a unique engine Id. The engine Id unicity is based on the host IP address and port. The IP address is the localhost one. The creation algorithm uses the passed IANA number.