[kwlug-disc] using "nc" to simulate a bunch of machines swapping packets?

[Chris Frey]

On Fri, Dec 26, 2008 at 05:51:39AM -0500, Robert P. J. Day wrote:
> 
>   i'd like to simulate a small number of systems on an isolated
> network shipping packets around.  can i use "nc" to emulate that sort
> of thing on a single host?  has anyone done anything along those
> lines?  thanks.

Not sure I understand the question, but something like this?

Machine 1:
	nc -l -p 2222 > /dev/null

Machine 2:

	nc machine1 2222 < /dev/zero

This works on localhost as well.

- Chris