Update udp_layer.cc

ccsrc/Protocols/UDP/udp_layer.cc

@@ -33,7 +33,7 @@ udp_layer::udp_layer(const std::string & p_type, const std::string & param) : la
   // Initialize the socket
   _saddr.sin_family = AF_INET;
   _saddr.sin_addr.s_addr = INADDR_ANY;
-  _saddr.sin_port = htons(std::atoi(_params["dst_port"].c_str()));
+  _saddr.sin_port = htons(std::atoi(_params["src_port"].c_str()));
   // Create socket
   _fd = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
   if (_fd == -1) {