for i in /proc/sys/net/ipv4/conf/*/log_martians ; do echo 0 > $i done And you are done :). I believe you have the problem because some packets go out to one interface, and comes back to the other, a common thing to asymetric routing. I doubt you have hundred of thousounds routes , so you must use some complicated setup for your load balancing to get those errors. On 7/17/05, Jan Andersen <jma@xxxxxxxx> wrote: > Hi > > > > I have a setup with 3 interfaces, one for the LAN, one for a cable-modem and > one for DSL. > > > > What I want (and need) is to have both external interfaces running at the > same time. > > > > When I one have my LAN and one of the external running then everything is > working just fine. But when I turn on both interfaces at the same time my > machine is generating a huge amount of martian-source errors in the log. I > even tried to turn off the firewall, but with out luck. > > > > Why is this happening, and how do I solve this problem? > > > > Regards > > > > Jan Andersen > > > > -- Bla bla