On Fri, Dec 07, 2001 at 03:38:48PM -0600, David Purves wrote: > I want to force packets from eth0 <--> eth1 to take the path > eth0 <--> p0 <--> p1<-->eth1. > > What I have here is an appliance that I want to run some throughput tests. > > The cables are set up eth0 <--> p0 and p1<-->eth1 and work (pings work > just fine).... > no matter what I try, the kernel is too smart for me :-) , and it > routes internally (inside the linux box) instead of entering the outside > world. I don't think that this is possible purely with iproute2. You will probably need at least one extra machine to perform NAT. Perhaps you can get away with UML (usermodelinux). Regards, bert -- http://www.PowerDNS.com Versatile DNS Software & Services Trilab The Technology People Netherlabs BV / Rent-a-Nerd.nl - Nerd Available - 'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet