### Single stream UDP packet, 64B ###
#####################################
- name: udp_64B
  stream:
    self_start: True
    packet:
      pcap: udp_64B_no_crc.pcap  # pcap should not include CRC
    mode:
      type: continuous
      pps: 100

    # program that define 1M flows with IP range 16.0.0.1-16.0.0.254
    # we will create a script that do that for you 
    # this is the low level instructions 
    vm: 
       instructions: 
          -     type        : "tuple_flow_var"     # name of the command 
                name        : "tuple_gen"          # tuple_gen.ip tuple_gen.port can be used 

                ip_min      : 0x10000001           # min ip 16.0.0.1
                ip_max      : 0x100000fe           # max ip 16.0.0.254
                  
                port_min    : 1025                 # min port 1025     
                port_max    : 65500                # max port 65500
                  
                limit_flows : 1000000              # number of flows 
                flags       : 0                    # 1 - for unlimited  

          -     type           : "write_flow_var"     # command name 
                name           : "tuple_gen.ip"       # varible to write     
                add_value      : 0                    # no need to add value     
                is_big_endian  : true                 # write as big edian 
                pkt_offset     : 26                   # write tuple_gen.ip into ipv4.src_ip   
               
          -     type           : "fix_checksum_ipv4"        # fix ipv4 header checksum 
                pkt_offset     : 14                         # offset of ipv4 header 
                  
          -     type           : "write_flow_var"           # command name 
                name           : "tuple_gen.port"           # varible to write     
                add_value      : 0                          # no need to add value     
                is_big_endian  : true                       # write as big edian 
                pkt_offset     : 34                         # write tuple_gen.port into udp.src_port