Re: How to drop a packet

[Tom Parquette]

Matin Tamizi wrote:
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?
Thank you,
Matin
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I've never used it but you might want to look at DUMMYNET.  From the man 
page (man dummynet):

DUMMYNET(4)            FreeBSD Kernel Interfaces Manual
NAME
     dummynet -- traffic shaper, bandwidth manager and delay emulator
DESCRIPTION
     The dummynet system facility permits the control of traffic going 
through
     the various network interfaces, by applying bandwidth and queue 
size lim-
     itations, implementing different scheduling and queue management poli-
     cies, and emulating delays and losses.
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