Or Linux Netem http://www.linuxfoundation.org/collaborate/workgroups/networking/netem
Suresh On Sat, Nov 6, 2010 at 6:50 AM, Andy Davidson <a...@nosignal.org> wrote: > > On 6 Nov 2010, at 05:53, Saqib Ilyas wrote: > >> A friend of mine is doing some testing where he wishes to emulate a >> cellular-like interfaces with random drops and all, out of an ethernet >> interface. Since we have plenty of network and system ops on the list, I >> thought we might have luck posting the question here. Is anyone aware of a >> simple tool to do this, other than rather involved configuration of >> iptables? > > Not withstanding Mikael's comments that it shouldn't be lossy, at times when > you want to simulate lossy (and jittery, and shaped, and ....) conditions, > the best way I have found to do this is FreeBSD's dummynet : > > http://www.freebsd.org/cgi/man.cgi?query=ipfw&sektion=8#TRAFFIC_SHAPER_(DUMMYNET)_CONFIGURATION > > Andy