On Mon, 2005-10-17 at 13:37 -0500, Zane C. B. wrote: > I have two routers. The main router than everything goes through and a > second router that I want to route some traffic through depending on the > originating IP#. > > The second router has filtering and the like running on it. > > For traffic coming from a specific IP# and hitting the main router, I > want it then to be routed out through the second router. > > Currently I got it working for port 80, using iptables, since squid is > setup transparently on the filtering router. The command I am using is > this... iptables -t nat -A PREROUTING -s <machine to filter for> -p tcp > --destination-port 80 -j DNAT --to-destination <filtering router>. This > works, but only for like web or the like which has a transparent squid > setup to take care of it. > > That works for right now, but what I want to accomplish is to have the > main router kick packets, from specified IP#, out to the secondary > router. > If I understand you correctly, iproute2 is your friend. You can probably find the documentation on it in a file in your distribution named ip-cref.ps. You can also find a training slide show in the training section of the ISCS open source network security management web page (http://iscs.sourceforge.net). Hope this helps - John -- John A. Sullivan III Open Source Development Corporation +1 207-985-7880 jsullivan@xxxxxxxxxxxxxxxxxxx Financially sustainable open source development http://www.opensourcedevel.com