I would like to manually set up routing to subnet 184.108.40.206/16 through IP which is an alias: 220.127.116.11. IP alias is set up like that:
/sbin/ifconfig eth0:0 18.104.22.168 netmask 255.255.255.255 broadcast 22.214.171.124
At the beginning i tried something like that:
route add -net 126.96.36.199 netmask 255.255.0.0 gw 188.8.131.52 dev eth0
and everything worked just fine, until i got an email from my datacenter that IP address is sending wrong ARP packets:
Wed Jun 6 08:07:15 2012 : arp who-has 184.108.40.206 tell 220.127.116.11 Wed Jun 6 08:37:13 2012 : arp who-has 18.104.22.168 tell 22.214.171.124 Wed Jun 6 09:07:19 2012 : arp who-has 126.96.36.199 tell 188.8.131.52
Conversation with their support went to nothing and now i'm still trying to fix that. Another setup which worked (but still was sending these wrong ARP packets) was:
ip route add 184.108.40.206/16 via 220.127.116.11
i think this one internally worked just the same.
Next i tried configuring routing through iptables and SNAT. I enabled ip-forwarding and tried different crazy stuff like:
iptables -t nat -A POSTROUTING -s 18.104.22.168 -o eth0 -j SNAT --to-source 22.214.171.124-126.96.36.199 iptables -t nat -A POSTROUTING -s 188.8.131.52 -o eth0 -j SNAT --to-source 184.108.40.206-220.127.116.11 iptables -t nat -A POSTROUTING -s 18.104.22.168/16 -o eth0 -j SNAT --to 22.214.171.124 iptables -t nat -A PREROUTING -p tcp -d 126.96.36.199 -j DNAT --to-destination 188.8.131.52-184.108.40.206
None of these changed routing. Could anyone give me any sort of advice how to change route to this subnet without sending spare/wrong ARP packets?