Subject: Re: Sending network traffic to "self" externally - is it possible?
To: Bryan Phillippe <firstname.lastname@example.org>
From: Liam J. Foy <email@example.com>
Date: 04/15/2007 14:28:45
Bryan Phillippe wrote:
> I would like to conduct some ethernet network testing using a NetBSD
> client & server configuration. The unusual part about this is that I
> want my configuration to be a single NetBSD system functioning as both a
> client and a server, physically sending network traffic out on interface
> and back into another, using a cross-cable.
> I initially attempted to set this up on a Linux system, but any
> configuration I could devise was still defeated by the routing code,
> which knew that the destination was ultimately "local" and would
> "receive" the traffic without ever physically sending it. AFAICT,
> making it work the way I want would have required a convoluted iptables
> configuration or a kernel patch. I'm hoping the NetBSD team has already
> provided a knob for doing this on NetBSD!
What exactly are you trying to 'test'? No 'knob' exists as far as I know
because there is almost no point.
Liam J. Foy