>>> On 27/05/2008 at 16:44, in message <483C1E3F.4030802@xxxxxxxxx>, Patrick McHardy <kaber@xxxxxxxxx> wrote: >> print "iptables -t mangle -A VLAN$vlan -j MARK --set-mark $vlan\n"; >> print "iptables -t mangle -A OUTPUT -o eth2.$vlan -j VLAN$vlan\n"; >> print "ip ro add table $vlan default dev eth2.$vlan\n"; >> print "ip ru add fwmark $vlan table $vlan\n"; > > This looks like a chicken-and-egg problem. You mark packets based > on the output device, but use the mark to direct them to the output > device. > > I guess if you use the source IP for routing table selection it > will work. Not sure why it works at all currently. We have found the problem why the IP addresses were not pingable anymore with Ubuntu 8.04. It seems that with that release the rp_filter is default on. If we put this off the modems are pingable again. In the mean time I don't have my setup fully operational anymore. I've got 1 modem connected for the others I'm sending wget's which timeout since no modem is connected. I nolonger see any tracing with dmesg, I will need to try again with the full setup to be sure but that will take some time. When changing the configuration like you suggested, you get something like this for every modem: vconfig add eth1 129 ifconfig eth1.129 192.168.1.31 route del -net 192.168.1.0/24 route add -host 10.9.9.30 eth1.129 iptables -t nat -A OUTPUT -o eth1.129 -j DNAT --to 192.168.1.1 ip ro add table 129 default dev eth1.129 ip rule add from 192.168.1.31 table 129 ip ro fl ca Then it works also, and rp_filter can be on. This also still needs to be tested with the full setup. I think the problem is solved. Thanks for that in guiding me. If I should still encounter any problems I will let you know. ** Still wondering why there wasn't any problem with the old kernel ... maybe I just was lucky ... Newtec will be present at the following exhibitions : CommunicAsia, 17-20 June, Singapore, Booth 6B2-01 *** e-mail confidentiality footer *** This message and any attachments thereto are confidential. They may also be privileged or otherwise protected by work product immunity or other legal rules. If you have received it by mistake, please let us know by e-mail reply and delete it from your system; you may not copy this message or disclose its contents to anyone. E-mail transmission cannot be guaranteed to be secure or error free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore is in no way liable for any errors or omissions in the content of this message, which may arise as a result of e-mail transmission. If verification is required, please request a hard copy. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
