Hi, Am 04.10.2014 um 13:06 schrieb John Smithee: > Ok, I admit using "ping -I" was a bad example. The whole point I tried > to make is, that the second net (69.0) cannot reach any other IP > outside its own net. > The goal is to let 69.0 reach the world via this gateway machine > 68.22/69.22. > Is some iptables needed in this case? You do have IP forwarding enabled? If not, enable it using echo "1" > /proc/sys/net/ipv4/ip_forward and try again. HTH, Thomas -- BRINGE Informationstechnik GmbH Zur Seeplatte 12 D-76228 Karlsruhe Germany Fon: +49 721 94246-0 Fon: +49 171 5438457 Fax: +49 721 94246-66 Web: http://www.bringe.de/ Geschäftsführer: Dipl.-Ing. (FH) Martin Bringe Ust.Id: DE812936645, HRB 108943 Mannheim --- Diese E-Mail ist frei von Viren und Malware, denn der avast! Antivirus Schutz ist aktiv. http://www.avast.com -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html