How to drop a packet

[Dan Nelson]

In the last episode (Jul 13), Matin Tamizi said:
> I'm using a FreeBSD box as a router in a test network.  For the tests
> that I am running, I need to be able to drop random packets and
> observe the effects (responsiveness).
> 
> What utilities in FreeBSD or C will allow me to perform the function
> of dropping a random packet?

You can use dummynet to create a pipe with arbitrary packet loss and
delay, then run particular interfaces (or anything that can be matched
via an ipfw rule) through that pipe.  See the dummynet and ipfw
manpages.

-- 
	Dan Nelson
	dnelson at allantgroup.com