[c-nsp] circuit degradation/error simulator

[sthaug at nethelp.no]

> For some testing I'm looking for a piece of software which is capable of
> inserting various degradation and/or errors into a traffic stream.
> 
> The setup I thought of is setting up a PC with two NIC which passes
> traffic between the interfaces. In the middle the software should be
> able to generate packetloss, delay, jitter, fragmentation, reordering
> and alike within the traffic stream passed on.

A FreeBSD box with dummynet can do this nicely.

	http://info.iet.unipi.it/~luigi/dummynet/

Steinar Haug, Nethelp consulting, sthaug at nethelp.no