On 08/27/08 13:27, DI BACCO ANTONIO - technolabs wrote:
I have a LAN with a given subnet, let us say: 192.168.0.0/24 with a lot of hosts. Now I want to connect another host (PLUTO) with an interface that has address 10.10.10.1 and netmask 255.255.255.0. I can't change this ip address but I want to insert some iptables rules on PLUTO to translate both source and dest ip address of the packets it receives to subnet 10.10.10.0/24 and viceversa. I think that target NETMAP can help me, but I'm getting confused.
Silly question, why not add the 192.168.0.0/24 network to PLUTO? I.e. make PLUTO be multihomed in both the 10.10.10.1 network and the 192.168.0.0/24 network?
Also, unless you need to map multiple IPs across from one network to the other I think I'd recommend that you only NAT the one IP that PLUTO is using to avoid potential conflicts.
Even with NETMAP and / or NATing I think you are going to have PLUTO (or what ever system does the NETMAP / NATing) have an interface in both networks.
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