[Openswan Users] NAT-T

[Filipe Mota]

Hello all

I realy need to how I configure a vpn with NAT in middle like this:

192.168.0.0/24        Private LAN
      |
      |
      |
192.168.0.1
      |               Gateway with openswan
192.168.10.1
      |
      |
      |
192.168.10.2
      |               Router with nat 
200.200.200.200
      |
      |
  INTERNET
      |
      |
100.100.100.100
      |               Router with nat
192.168.20.2
      |
      |
      |
192.168.20.1
      |               Gateway with openswan / something else
192.168.30.1
      |
      |
      |
192.168.30.0/24       LAN 


Is it possible? I have already install openswan, I think I just need to
config. What I have to put in ipsec.conf?

Can some one help me??

Thanks