洪水包发送源程序

1. how to compile?
   copy & save these files to /sys.netgraph
   # cd /sys/modules/netgraph
   # mkdir source
   # cd source
   vi Makefile, and input the next lines
   KMOD=           ng_source4
   SRCS=           ng_source4.c 
   KMODDEPS=       netgraph ng_ether
   .include 



   # make;make install



2. how to use?

   # kldload ng_source4

   # ngctl mkpeer em0: source lower output

   # ngctl name em0:lower source

   # ngctl connect em0: source: upper input

   # ping -c 100 192.168.0.99

   # ngctl msg source: "setflood 1"

   # ngctl msg source: "start 1000"

   # ngctl msg source: "getstats" 

原文转自：http://www.ltesting.net