You can customize the sending parameters: adapter and loops time.

• Adapter
  Users can define a adapter for sending packet from if there are more than one adapters in the PC. Clicks the "Select" button on the right of "Adapter:" to open the Select Adapter dialog, chooses an adapter from the combo box. The window under the combo box will display the detailed information of the selected adapter.
  
  
  
  
• Bust Mode
  Check this option, Colasoft Packet Builder will send packets one after another without intermission. If you want to send packet as the original delta time, please do not check this option.
   
• Loop Sending
  Defines the repeated times of the sending execution, one time in default. Please enter zero if you want to keep sending packets until pause or stop it manually.
   
• Delay Between Loops
  Appoints the interval between every loop if you defined the loop times more than one. Colasoft Packet Builder will send without interval between every loop in default.
   
• Total Packets
  Displays the number of sending packets. For example, 4*5 means four packets are selected and each one will be sent five times. So Colasoft Packet Builder totally sent out 20 packets.
   
• Packets Sent
  Shows the number of packets have been sent successfully. Colasoft Packet Builder will display the the packets sent unsuccessfully too if there is a packet did not sent out.
   
• Process
  The process bar simply presents an overview of the sending process you are engaged in at the moment.
  

A dialog will display the results of the execution. The sending parameters can be seen on the top on the dialog.