On Thu, 2011-09-29 at 19:35 +0200, Jan Engelhardt wrote: > On Thursday 2011-09-29 19:28, Andrew Beverley wrote: > > >On Thu, 2011-09-29 at 12:28 +0200, Jan Engelhardt wrote: > >> On Thursday 2011-09-29 08:51, Andrew Beverley wrote: > >> >> iptables -A OUTPUT -t mangle -d 89.16.176.81 -j MARK --set-mark 0x800 > >> >> ip rule add fwmark 0x800/0xffff table T2 > >> >> ip route add table T2 default dev ppp1 via 94.30.127.76 > >> > > >> >I've also added the following, which makes no difference: > >> > > >> >iptables -t nat -A POSTROUTING -o ppp1 \ > >> > -j SNAT --to-source 109.224.134.110 > >> > >> Of course it makes no difference, because SNAT is applied after routing. > >> ("POST" "ROUTING", see?) > > > >Yes, but in my case the SNAT still needed applying. The problem was that > >although the packets were being routed via the second interface, they > >were still being sent from the original IP address of the first > >interface. Therefore, packets were being returned to the first > >interface, making it look as if the second interface wasn't being used. > > Well, that's why one should use tcpdump -i ethX, rather than tcpdump -i > any :-) Yep, I learn something every time ;-) -- 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