On Mon, Jan 03, 2011 at 06:22:54PM +0000, nangergong wrote: > Hi, all: > > As far as I know, in dummynet, plr is prabability-based, namely, when a > packet is processed, it will be discarded according to the probability. So, > if I have 100 packets and the plr is 5%, eventually I may just discard 3 > packets or even 1 packets. So, the real packet loss is not consitent with > the plr-set value. Is there any good method that can give me a consistent > packet loss? Thank you!
you would need to modify the "prob" option in ipfw so that e.g. you specify a bitmap indicating the pattern of packet pass/drop (this was the way i originally implemented packet loss back in 1995!) cheers luigi > _______________________________________________ > freebsd-ipfw@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw > To unsubscribe, send any mail to "freebsd-ipfw-unsubscr...@freebsd.org" _______________________________________________ freebsd-ipfw@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw To unsubscribe, send any mail to "freebsd-ipfw-unsubscr...@freebsd.org"
