id summary reporter owner description type status milestone component version severity resolution keywords cc 13462 set_option: The requested address is not valid in its context nguyen.tnhoang@… chris_kohlhoff "I follow this code to create a UDP multicast receiver: http://www.boost.org/doc/libs/1_66_0/doc/html/boost_asio/example/cpp11/multicast/receiver.cpp I modify the code with these for predefined values: class receiver: short multicast_port = 13; in main(): //if (argc != 3) and the code for argv that follows are commented out receiver r(io_context, boost::asio::ip::make_address(""127.0.0.1""), boost::asio::ip::make_address(""127.0.0.1"")); This error is thrown: set_option: The requested address is not valid in its context I have tried ""0.0.0.0"" and ""127.0.0.1"" and other values. Still get the same error. Could someone please help me figuring out what went wrong? " Bugs new asio Boost 1.66.0 Showstopper asio udp multicast receiver