Re: remapping IP addresses for inbound and outbound traffic

[Innocenti Maresin <qq@inCTV.ru>]

Giampaolo Tomassoni:
 
> I guess you can't do this, since a believe there is a single linux arp table.
> It is not per-interface.

It is a problem generally, but happily not in my case 
because at least one of my networks has this overlapping IP area behind a router. 
More precisely, one network almost entirely stands behind a router. 
I do not need any ARP for IPs those I want to remap. 

 
> If you had hosts with unique IPs on both nets, that would be another story:
> you could use some sort of VPN or Bridge functionality.
> You could also be able to avoid packets passing through the bridged/VPNed interfaces
> thanks to iptables.

May be I do not understand what means "some sort of VPN or Bridge functionality", 
but any solution requiring an extra soft on the client side would be inadequate 
and I will not take such proposals into account. 
My server must accept pure IP from both sides. 
I am not willing to set up packet forwarding, GRE, nor any another "advanced technique". 
Only one simple thing is required: to shift a block of IPs at one interface. 




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