Macflood is a project mainly written in C, it's free.
Macflood is a rewrite of macof.c for overflowing the MAC storage of a switch.
== README
Run make to compile macflood but ensure you have >=libnet 1.1.4 and >=libpcap 1.1.1.
Usage macflood [-v] [-t threads] [-p process][-i interface] [-n times] Example: macflood -t 10 -p 2 -i eth0 -n 200000 this will use 2 processes with each 10 threads to send 200k packages.