Hi Mihai, You can do this by iproute and only if your box is configured as [*] IP: advanced router You will also need ip-utils. "ip route show" will show the main table with all your routes but what is most important is your default $GW_1 So, let's now create another table, with default gateway $GW_2 then, make a rule so all from $INET_IP_2 should follow that table : ip route add default via $GW_2 table secondary ( if iputils will scream that doesn't know who is "secondary" create "iproute2" in your "/etc" then in that new dir create and edit the file named "rt_tables" and put on the first row "10 secondary". It should look like this : #cat /etc/iproute2/rt_tables 10 secondary # Then make a rule which says that everything leaving your box with ip $INET_IP_2 should go to $GW_2 : ip rule add from $INET_IP_2 table secondary And that's it ! P.S. Daca iti nu iti iese da-mi un mail si vedem care e buba ! > Hello again, > > I may have a common problem to solve but it seems it is harder than I > thought... > > I have 2 internet providers (each one having a different gateway). > Behind the router there are around 100 clients that are SNAT-ed. > > I want some clients to be SNAT-ed to the first provider, while the others > to > the second one. > The following lines should work: > > iptables -t nat -A POSTROUTING -s 172.17.31.81 -j SNAT --to-source > $INET_IP_1 > iptables -t nat -A POSTROUTING -s 172.17.31.82 -j SNAT --to-source > $INET_IP_2 > > But... there is a problem... I have to make the packet (after it has been > SNAT-ed) > follow the gateway corresponding to the $INET_IP_1 or to the $INET_IP_2 > respectively. > > In my routing table I have only one default route... corresponding to one > of > the gateways. > Is it possible to have 2 default routes? Is there a more elegant way to > solve this problem? > > Is there a way to tell the routing table that every request that has the > source address $INET_IP_1 > follow the $GW_1, and every request that has the source address $INET_IP_2 > follow the $GW_2? > > Thanks in advance, > Mihai Vlad > > > > > > _______________________________________________ > LARTC mailing list / LARTC@xxxxxxxxxxxxxxx > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ > Adrian Saileanu Netmaster Communications Srl address: Str. Ion Brezoianu Nr. 20 Sector 1, Bucuresti, Romania office: +40 21 315 92 00 mobile: +40 723 979 586 email: adrian@xxxxxxxxxxxx _______________________________________________ LARTC mailing list / LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
