DNAT for two external NIC

[longraider]

Ming-Ching Tiew wrote:

>>Maybe you need to disable rp_filter (reverse path filtering) on the
>>interface that has not the default route.
>>
>>sysctl -w net/ipv4/conf/eth2/rp_filter=0
> 
> Isn't this a bug in rp_filter ? In multipath routing, it's often the system
> will have multiple routing tables. The rp_filter seems to only look at
> the main routing table.
> 

It looks at different tables (according to ip rule). I've recently
posted a problem with the same solution. The problem was with the fwmark
in the ip rules.

http://lists.netfilter.org/pipermail/netfilter/2006-August/066553.html

-- 
mati