perl multicast_sender.pl -r 1000000 -n 2000 -m 1 -a 226.1.1.2 --loopback -i hme0
B
Starting to multicast packets.
             Address:  226.1.1.2
                Port:       2000
         Packet Size:        500 bytes
                 TTL:          1 hops
            Loopback:         On
                Rate:    1000000
2000 in 0.399531 seconds
5005.86938185022 pps